Month: October 2022

MAF Training review – Part 6 When You Need MAF

My previous articles about the MAF Method discourage using the age-related formula for low heartrate training. But in this post I’m taking a more positive angle because there’s a reason people went to Phil Maffetone and he was able to help them. So while, I’m not a fan of the age-related formula, I am a fan of building good endurance which relates to what Maffetone refers to as MAF – Maximum Aerobic Function. While I’m not going to advocate using his formula, I am going to detail and explain the circumstances where a block of endurance training could be useful.

A parkrunner I know is a very capable runner yet, in a decade of running, his progress has been very limited. In fact, he’s barely knocked a minute off his parkrun time. When we first met he’d been running again for perhaps six months. He’d been a talented youngster, quit and now returned to running as he approached forty. It hadn’t taken much training to achieve a twenty minute parkrun yet in all the running since he has barely scraped under nineteen minutes. Despite training five days per week, six at one stage, he really hasn’t made much progress.

His years of running have been blighted by Achilles’ problems. Whenever he starts to train harder with speedwork his Achilles becomes sore and limits his running. He then backs off the pace until long after the Achilles has healed, only to restart the speedwork and go through the same issues. Until recently he was able to run a 19:30 parkrun at full effort but over the last year he’s developed a hamstring injury and is struggling to break twenty minutes. On the tougher local courses, he can’t even break twenty-one minutes!

If he could go to Phil Maffetone, I’m sure MAF would get him back to health and restructure his training to help him improve. I’d still argue against using the age-related MAF formula because he’s over fifty and training at 125 (further five beat reduction for recent injury) isn’t going to produce decent longterm results. Yet, as you’ll see in the next section, he’s clearly not getting the aerobic development Maffetone would encourage and is running around almost every day of the week at heart-rates which are too high.

A typical week’s training when you need MAF

He typically runs five days per week – three midweek, a parkrun on Saturday which is always a faster effort, a Sunday run which is his longest of the week while the Wednesday run tends to be slightly shorter. He gives himself two rest days which, being on Monday and Friday, space the week’s training out nicely. All in it’s not a bad training structure to follow. Here’s the heart-rate graphs from those five days of training.

I’ve put a yellow line to indicate where a heart-rate of 150 occurs and you can see that on every run he is reaching and surpassing it for a decent portion of the time. In fact, at parkrun the heart-rate reaches 170+ and most days he’ll be hitting the 160s at some stage of the running. He’s not just exceeding 150bpm but exceeding it significantly on almost every run.

I consider the overall amount of time spent running each week to be an issue. Totalling about 25 miles per week in 3hr 20mins it’s not enough for a distance runner. Of course everybody leads different lives and has different priorities so I can’t be too critical. Yet at less than an hour the Sunday run isn’t long enough and it should surely be possible to find more time for it. If he was an 800m runner, an hour might be long enough but he isn’t; he describes himself as a 5K / 10K runner. Apart from a couple of ten mile races and a half marathon; 10Ks have been the furthest distance raced in all these years. This overall lack of training volume is part of the problem.

The average pace for the week is 7:45/mile and the Wednesday run is the slowest at 8:11/mile. Given a parkrun time that is just breaking twenty minutes, Jack Daniels’ VDOT tables suggest Easy runs should be somewhere around 8:30/mile pace. So again, alongside the evidence of the high daily heart-rates, we’re getting an indication that there isn’t enough genuinely easy running taking place.

There’s two more problems these stats don’t reveal. On each of the training runs he stops to cross roads which give him one to three minutes recovery on any run. There’s over nine minutes of stops built into these runs. It may seem picky but anyone who has done distance training knows a break is refreshing. If you’re running anaerobically those breaks allow you to recharge the batteries and keep pushing (too) hard. Now you may argue it’s impossible not to stop but, with good timing and route choices it can be avoided. I often go weeks without needing to stop on any of my runs simply by running on roads with low levels of traffic, early in the morning and being flexible about when and where I cross roads. I will happily run an extra fifty paces up a road to let traffic die down before crossing it. But obviously do the safe thing.

The other unseen problem in these graphs is there’s some decent hills on the routes. He’s trying to maintain the same pace up and down them but that pushes the effort up which explain some of the higher heart-rates.

Graphing all those runs differently we can see the time spent in a MAF-HR zone of 130 or less; a middle zone of 131-150 which is usually safe for older runners to train at and a 150+ zone where the training effect is large but also takes time to recover from.

It’s clear he’s running hard five days per week with heart-rates hitting the 150+ mark. You would think the two rest days would be enough but they aren’t. What’s actually happening is the muscles are being trained anaerobically. The days after the rest days (Tuesday and Saturday) are faster runs because the muscles are refreshed but all that allows is for him to go out hard and reinforce the anaerobic training. There is no aerobic development. One of the benefits of day-in, day-out training is it leaves the legs somewhat fatigued to the point where they have to go slower and that helps the aerobic development.

The main consequences of this approach are that he’s getting injured and not improving.

What good training looks like

Injuries were the sort of thing Maffetone was happy to dive in and sort out. As I have stated repeatedly, I’m not a believer in the age-related formula but I am a believer in what Maffetone was trying to get his clients to do which is stay healthy and get faster by building an aerobic base through good endurance training.

My own training during this period saw me run nearly double the training our Needs MAF runner was managing. I was just shy of fifty miles taking 6hr 24mins yet we had the same average pace for the week at 7:45/mile. Despite all this extra mileage I’d been training every day for almost three years without illness or serious injury. While I picked up a couple of glute strains along the way (which came from trying too hard in speedwork) neither lasted more than a week and I was still able to run. While our parkrun times are similar, my base endurance is improving and I am positioning myself to go faster in the longterm.

You can see I run every day but only push harder on two days (Tuesday and Friday). There’s a few little glitches on my heart-rate monitor particularly Wednesday which highlights the problem of accuracy with heart-rate training but otherwise I’m comfortably well below 150HR on my recovery days. My Sunday long run sometimes scrapes into the red but the training effect I’m interested is in building endurance on those runs. Even a good ninety minute run is still only a hard, aerobic effort. Where the Needs MAF runner has to take two rest days every week, I’m getting out there and running on them too.

Another intriguing detail of our training weeks is that we accumulate the same amount of 150+ ‘red zone’ training time but my extra running accumulates time and fitness in the supporting zones while allowing the body to recover from the harder sessions. If I tried to run hard every day like he does, I’m sure I would be getting injured too.

We’re both fifty years old and Maffetone would like us to be doing all our training to a heart-rate of 130 or below. I don’t believe in that but I do total over an hour of my weekly running at this level and it’s usually in the first couple of miles of the runs while my body warms up. This is important – I’m listening to my body to get an indication of how it feels and whether I can push hard. Maffetone talks about doing warm-ups in his book but the people who think he’s only about low heart-rate training miss this.

On days following a harder effort I find my legs don’t want to do too much and it is a struggle to get the heart-rate up. My legs can be glycogen-depleted so I just jog along to aid recovery. If I tried, I could probably push to higher levels especially if I’d had a day off but I don’t try to push it every day and that was Maffetone’s message.

80-20 training

Much of Maffetone’s work occurred in the 80s and 90s when heart-rate monitors were still new. The science of exercise physiology has progressed a lot in recent years. What we now know, due to the work of Stephen Seiler, is that elite athletes tend to split their training into 80% below lactate threshold and 20% above it.

Throughout this post I’ve referenced a HR of 150bpm. Be careful – 150HR is not THE definitive value to use; it’s the data that was available to me. That the Needs MAF runner trains somewhere around this level most days shows it is probably somewhere around his own.

One hundred and fifty is close to where my lactate threshold heart-rate usually lies and I calculate I have a 76-24% split above and below it. That’s within the bounds of 80-20 training. On the other hand, the Needs MAF runner’s training split comes in at 54-46%. It begins to explain why he’s failing to make progress and getting injured when he starts to do even more intense work!

Arguably it may be wrong to use 150HR to split his training but it’s clear he’s training too hard every day because his body is letting him know through injuries and lack of progress. You can also see when he runs 30secs/mile slower on Wednesdays, he has lower heart-rate so it would be easy for him to include more genuinely easy-paced runs. Doing that, as Maffetone outlined is the key to staying healthy and injury-free.

Although I’ve been explaining all this using data you don’t need a heart-rate monitor to know whether your training is going well. Just a bit of common sense and listening to your body will tell you. When it creaks and groans it’s time to back off.

My six posts on MAF training are among the most detailed and honest articles about it on the internet and well worth reading. I’m trying to help runners get past the idea that training to a single number on a heart-rate monitor is the answer to all their problems. Good training involves scheduling the right mix of sessions at the right times. A block of endurance training like Maf suggests is just one part of what you need. My years of training and coaching allow me to know what to do and when to do it to help runners get fitter, faster and healthier. If you too would like me to help you then please contact me with details of your running and how you think I can help you.

MAF, Hof and Cerutty

Percy Cerutty is one of the forgotten coaches of the 20th century. His most notable protégé was Herb Elliott who won the 1,500m gold at the 1960 Rome Olympics and knocked six seconds off the world record for a mile, that’s pretty good to have on your resume. Cerutty’s methods were consider eccentric and bizarre yet I found some commonality between what he coached and the work of Wim Hof and Phil Maffetone. It’s useful to understand their common ground as, while Hof and Maf aren’t specifically coaching runners, the underlying principle is important to all distance runners and building health. Let’s begin by recapping Maf and Hof!

Phil Maffetone

I’ve discussed Maffetone’s work at length previously. While he wasn’t a running coach, his work as a chiropractor helped many long distance athletes improve their times. His main concept is to build the aerobic system so exercise becomes fuelled by burning fat. Athletes do this by training to a heart-rate calculated using their age, muscle-testing for weakness and changing the diet to eat fewer processed foods, grains, dairy products and animal fats while eating more vegetables, fruits, nuts and seeds.

Coming up with a definition of health is an interesting conundrum, because when you when try, it ends up being defined by a negative. The negative being the absence of illness, injury or any other way the body may be malfunctioning. Just saying health is the perfect functioning of the body doesn’t say much.

Maffetone’s method is about eliminating or reducing, to an allowable level, those things which cause ill-health. When many athletes train they often do so with too much intensity which causes the parasympathetic nervous system to rev up, create adrenaline and generally cause the body to become unhealthy due to the waste products caused by anaerobic metabolism. Maf focuses them on improving the aerobic system to delay the anaerobic system from kicking in and lower its overall use.

While he never specifically coached athletes, he helped them get healthy by improving their aerobic base. His best known success is Mark Allen, who went from runner-up in multiple Hawaii Ironman races to being a five-time winner.

Wim Hof

I recently read and wrote about Hof’s book “The Wim Hof Method” and the three core tenets of his system. Improving the aerobic system by taking cold showers, breathing deeply and mentally focusing to achieve goals. Like any good system of improvement, his method starts off with small challenges and gradually increases so you can contend with more.

Hof is not a running coach either and while he has run a marathon barefoot up Mount Everest and swum 200m under sea ice; I consider his most impressive achievement to be the story of how researchers injected him with E-coli virus. In 16,000+ previous trials participants always developed mild flu-like symptoms from the injection – yet Hof didn’t. A subsequent experiment then saw him train twelve people in his method who also remained healthy despite the E-coli injection. The scientists were amazed yet it seemed natural to Hof.

Like Maffetone, Wim Hof explains the benefits of his method as coming from building the aerobic system up. He talks about how an improved aerobic system keeps the body functioning in its naturally alkaline state whereas anaerobic metabolism pushes it into an acidic state. He explains how deep breathing suppresses inflammation and cleans out waste products in the lymphatic system.

While their descriptions of the specifics may differ, the underlying principle is the same of improving the aerobic system to maintain health and create a strong immune system.

Percy Cerutty

So that’s an outline of Phil Maffetone and Wim Hof’s methods and rationales towards keeping your body healthy. Now we look at Percy Cerutty and how through his own experiences he discovered similar principles and put them into action to turn Herb Elliott into the world record holder for the mile and 1,500m as well as remaining undefeated in thirty-six mile races.

Herb Elliot and Percy Cerutty running barefoot strides

In Beyond Winning, Gary M. Walton writes “Born in 1895, Cerutty grew up in a working-class suburb of Melbourne. He was a weak, sickly, and underprivileged child. When he was six years old, he contracted a case of double pneumonia that caused partial paralysis of his left lung. For years, heavy exercise and especially running caused sever discomfort. He suffered from chronic migraine headaches and was usually sick after races. [Cerutty entered mile races, winning ten – one in 4:32] When he quit running in his early twenties, his health continued to slide. By the time he was 43, he had suffered from a nervous and physical breakdown requiring a six-month leave from his job as a telephone technician.”

This is a man who was clearly struggling with his health but during his six-months off, Cerutty decided to challenge his mind and body. It was do-or-die. He rebuilt his confidence by building up to diving off the high tower at St Kilda Baths, took up weightlifting, hiking and swam in the icy Yarra River near his home. He was beginning to develop his back-to-basics, no comfort Stotan philosophy – a mixture of Spartanism and Stoicism.

He created a weekend training camp at Portsea where runners would come to live in bunkhouses, run up sand dunes and eat raw foods. Walton states breakfast was “rolled oats, nuts, dried fruits, bananas, raw cabbage, brown bread and cheese”. But it wasn’t just about physical exercise, in the evenings they would talk and read books of philosophy and poetry, a purification of the mind.

A typical day at the camp:

  • 7am – 5 mile run before breakfast wherever they wanted to go
  • 8am – breakfast (as detailed above)
  • 9am – swimming, surfing or outdoor chores like chopping wooding, painting, carpentry
  • Noon – training and lectures followed by another swim
  • 2pm – lunch – fish and fresh fruit
  • 3pm – siesta
  • 4pm – weight training (a new concept in the 1950s)
  • 5pm – 10 mile run along dirt roads ending at the sea
  • 7pm – tea and general discussion on a variety of topics led by Percy
  • 11pm – lights out

One of the features of the Portsea half-acre training camp was a 60⁰ sand dune rising 80ft which the record to run up was 11 seconds and which Elliott had run up and down forty-two times on a another occasion. There was the Hall Circuit – 1mile 285yds – which Elliot had covered in 5min21 – as well as a ¼ mile Stewart Circuit which ended up a steep hill. Training wasn’t solely around the camp but also took in the local dirt roads, parks and golf course.

While Cerutty trained Elliot and other runners to world records, his aim was not specifically to win titles or run times. It was about getting the absolute maximum out of oneself. His Stotan creed was about removing the crutches and supports that people of the era were beginning to let creep into their lives. When he toured America, Cerutty was appalled at how Americans were flabby, drinking and smoking too much. While this may have been judgemental and critical we should remember he believed in what he preached and went from constant ill health in his younger years to being able to run a sub-3 marathon at age 50 which set the Victoria state record at a time when the world record was 2hr26.

All information on Cerutty taken from Walton’s “Beyond Winning” published in 1992.

It’s clear there is a similarity between Wim Hof Method and Cerutty’s training camp using nature to harden the mind and body. Swimming in cold water is used by both as a way to strengthen the will; but Cerutty probably never realised, unlike Hof, that it is strengthening the aerobic system as well. Even so, running on sand, up and down dunes would have had Cerutty’s runners breathing deeply just as Hof recommends. The overlap between their methods seems notable.

While there is less immediate commonality between Cerutty and Maffetone, both recommend a careful diet which involves natural foods and avoids processed ones. Cerutty’s diet though tended to be more carbohydrate-based whereas Maffetone’s doesn’t. But Cerutty was training runners like Herb Elliott for middle distance events where carbohydrates are the primary source of energy whereas the Ironman triathlons Mark Allen took part in need fat to be a key fuel source.

What Cerutty was discovering in his training camps was how to build the aerobic system through a combination of daily distance running at a time when these things were rarely understood. The daily regimen of running for half an hour in the morning, another hour in the evening as well as cross-training with sea swims or surfing would certainly have left athletes tired but improving their aerobic system. The overlap with Wim Hof’s Method is clear and Hof’s method has clear overlap with Phil Maffetone.

All distance runners will improve their times and capabilities by building their aerobic capacity and endurance. While the Stotan approach of Percy Cerutty is no longer necessary, it is easily achieved with a committed approach to modern training methods. If you’d like to me to help you become a healthier, better runner – please contact me to discuss online coaching, training reviews and plans.

The myth of losing your speed

The autumn marathons are upon us and first we’ve seen Eliud Kipchoge set a world record time in Berlin and then Keninisa Bekele placing 5th in London in under 2hr06. What makes these runs so impressive is Kipchoge turns 38 next month and Bekele is already 40. These are not the sort of times or placings you expect men approaching their midlife crisis to achieve.

Kenenisa Bekele readies himself for the off …

Both, of course have a long history as elite runners with both of them winning gold medals at the 2003 World Championship in Paris. Kipchoge won the 5,000m; Bekele the 10,000m. Since then Kipchoge has become the world’s premier marathoner and Bekele set a world record in the 5,000m. In 2019 he ran the second fastest marathon in history behind Kipchoge.

Both runners are naturally better suited to distance running than the rest of us and at around 3:50 their mile times are some way down on what the best can achieve but it doesn’t make them slow compared to the rest of us. Less than 2,000 men have managed a sub-4 minute mile and basic speed is the foundation of Kipchoge and Bekele’s distance running success.

Two marathon world record holders (Kipchoge and Radcliffe) watch near London’s finish lline

The pace of their recent marathons comes in at 4:36/mile (or 2:52/km) for Kipchoge and 4:48/mile (2:59/km) for Bekele. Few of the runners I meet can even run 400m in a time under 1:12, let alone a mile.

This harks back to a point I often make about how people returning or taking up running at forty say they’re getting old and can’t expect to be as fast as they were when they were young. Technically they’re right, but realistically they’re just making excuses in case they aren’t.

There is no reason why a decently trained man or woman in their forties can’t be near the front of local races, winning their age category and running their best times. One of my good friends ran his first sub-3 marathon (2hr58) at age 38 then spent his forties training properly with a club and was running 2hr34 as he was about to hit fifty. Improvement is easily possible for almost all the runners I meet.

For the most part staying fast as you age is simply about dedication and getting the training right. If you’d like me to help you improve as a runner then do not hesitate to contact me.

Update on my 800m training – Aug / Sep 2022

In my last update I detailed that I had gone back to endurance training as all the hills and speedwork of the spring had toppled my aerobic base. It was somewhat disappointing but also necessary if I’m to sort out my 800m. I now realise I’m done for this year and it’s going to be a winter of building endurance and stamina. The introduction of hills and sprints was great fun but also introduced way too much naturally anaerobic fast-twitch muscle. As I haven’t been near these areas in years, things toppled quickly. Hopefully by next winter, my base will be bigger and I’ll be able to handle the anaerobic side better.

Having restarted endurance training in early July I found I wasn’t making much progress; then in early August I realised I was beginning to get aches and pains of the sort when you’re training too anaerobically. I had to reset AGAIN. My focus became to ensure I set off on runs at a slower pace and built up to my aerobic limits. That reset did the trick as the pains dissipated and the endurance began to build. Even so I was still a good 30+ secs/mile down on where I was back in March. It was a surprise to me how easy it is undo everything.

Mid-August I did an all-out parkrun at Poole and clocked 20:25. Quicker than running there at Easter (20:40) but slower than last Christmas (20:11). I cannot tell you how frustrated I am feeling at not being able to get back under twenty minutes. Another parkrun at Sandhurst Memorial parkrun in late September was even worse at 20:48 but it’s a tougher course and my legs were fatigued so that didn’t concern me.

I’ve entered a couple of 10Ks – Boscombe on Nov 27 and Christchurch two weeks later. I’ve gone back to using the training system I used on my only ever sub-40 run back in 2015. Controlled threshold work on a Tuesday, a Steady run on Fridays and a long run on Sunday. This is the same as I was doing in February and March this year.

My plan is to do intervals at Threshold pace (6:50/mile) for three weeks, then up the pace to 6:40 for three weeks and again to 6:30 which will take me through to the end of October. After that I’m going to do shorter intervals at 5K and 10K pace which will hopefully see me breaking forty minutes again. It’s an aggressive schedule but so far the body has been holding up.

Endurance-wise it took me until mid-September to get back to where I was in February. That said, my fasted Sunday morning long runs have all been coming in at a decent pace, usually sub-8 average for 12-miles, no stops. For whatever reason, I seem to be running these quicker than in February.

Possibly some of the drop off I’ve been experiencing is down to a change in running form. Since last October I’ve been working on my form using drills at least once per week and somewhere around late June, combined with the sprints I was doing, I began to feel I was running differently. Less hip rotation and more power from the glutes. Of course, using muscles that have never been involved in my running, meant they needed to be trained and quite possibly they had a lower lactate threshold due to this. Whatever it is, the form change is beginning to feel powerful at times and I just have to keep working at it.

Behind the scenes I’ve been wondering about whether I’m cut out for training like this. For all the miles and effort, I’ve put in over the years; my improvements have been sporadic. I’ve decided this winter will be the acid test. Hopefully when spring arrives next April, I will see a decent improvement in my half marathon time.  If I don’t then I’m scrapping the endurance focus and putting my training time into working on speed and to see whether I can get my 200/400 times down, even if it’s at the expense of longer distances.

I’m going to give it a fair crack of the whip and train the best way I know how to. The one sticking point is I entered the London Marathon ballot yesterday not realising the race is in six months’ time (April). If this were to be the year I get a place then my training would have to look at lengthening my long run out to twenty miles. Even so I’d expect the training I’ve got planned, to fit in well with how I would need to train. We’ll see when the ballot results are announced at the end of October. I’m currently doing just shy of fifty miles per week and have been for the past two years so the base is there for whichever direction I need to go.