IS A SUB-2 HOUR MARATHON POSSIBLE?

Once considered an impossible dream, the sub-2 hour marathon is now considered within reach, much as the sub-4 minute mile was a tantalizing goal in the 1950s before Roger Bannister shattered that mark. The article below by David Cox, which appeared in the Guardian last year (http://www.theguardian.com/lifeandstyle/the-running-blog/2014/jan/31/sub-two-hour-marathon-possible),gives some insight into the current thinking on this quest. Other factors not mentioned here are the genetic bio-mechanical characteristics that will be necessary traits of a sub-2 hour marathon. For example, not just light body weight and high oxygen capacity, but also very thin calves and relatively long legs will likely be needed, as this makes for a lighter, longer  lever.

Her is a shortened version of the article:

Will anyone ever run a sub-two-hour marathon?

The very idea of it appears almost inconceivable: 26.2 miles in 120 minutes, requiring an average speed of 13.1mph, something most of us would struggle to manage for 400m. “When I look at a two-hour marathon from a pacing and a physiological perspective, right now it seems really unlikely,” says David Epstein, the bestselling author of The Sports Gene.

“A guy would need to have as high an oxygen capacity as has ever been recorded, and the best running economy [how efficiently you use oxygen while running at a given pace]. Those two things almost never seem to come together. And from a pacing standpoint, the elite guys usually run the first half of a marathon 2.5-3 minutes faster than the second half. So they’d have to run the first 13 miles significantly faster than has ever been done before.”

Back in September, Kenya’s Wilson Kipsang lowered the world record to 2:03:23 in Berlin. On the face of it, we would appear to be tantalisingly close – but then you have to consider that the record has only dropped by two minutes over the past 14 years.

Ethiopian distance king Haile Gebrselassie won two golds on the track before turning to the marathon at 29 and twice breaking the world record in his 30s. He believes that it may well take another 25 years before we see anyone capable of going under two hours. Uganda’s Stephen Kiprotich, though, the current Olympic and world champion, believes there’s room for optimism.

“Lowering the record to 2:02 will be done soon, definitely before the next Olympics in Rio,” he said. “Then it will again take some time. The sub-two-hour marathon will happen, but it’s impossible to set a timeline. But the good thing is that in the past few years, training camps in Africa have professionalised a lot. When I was a teenager we just trained; now I have a coach, a physio, a manager, a GPS watch. We have people during long runs who assist with drinks to simulate drinking station situations. All these things make a difference. But we still have lot of room to improve if you compare our training camps with some of the European and American runners. They have a lot of technology and knowledge we don’t have.”

Epstein believes that the feat is beyond the current generation, and suggests it may not even happen within our lifetime. Such are the physiological challenges that ultimately it will come down to the evolution of our genes.

“The faster the races are getting, the more people are ruled out purely because of their genetics,” he said. “Oxygen capacity is what sets the pros aside from everyone else in the field, but what separates the pros from each other is usually running economy, and that’s largely something that you’re born with. You can improve what you have through working hard – and Paula Radcliffe was a great example of that. She improved her running economy with altitude training and she lost weight while she was still growing. However, there’s still a certain body type that you naturally need to have, and of course you have to combine that with ferocious training.”

But would it be possible to spot a runner with the ideal genetic makeup and nurture their potential from an early age? A lot depends on how the genes are expressed, which is one of the most fascinating and little understood areas in medical science.

“There’s a lot of theory that living in a certain way turns the genes on and off, based on what the parents did when they were forming their germline DNA,” Epstein explains. “This means what your mother was doing when she’s pregnant with you and what your father was doing when he was going into puberty.

“But otherwise it’s sort of unknown. I think there are certain lifestyle factors, specifically relating to runners in Kenya. A lot of them are primed for training, because they’re not overweight and they grew up running, so they can start training really quickly instead of having to start by jogging. The first sub-two-hour marathon will probably be run by someone from east Africa.”

We may have a while to wait, but whoever becomes the first to stop the clock at 1:59:59 will have accomplished one of the most significant achievements in sport. “It will be a great milestone and an indicator of what the human body can do,” says Kiprotich’s coach Patrick Sang. “It will show that what is impossible, can be possible.”

Epstein believes that, in some ways, it may have a greater impact than the four-minute mile. “That was obviously huge, and part of the psychological rebuilding of post-war Britain,” he said. “But the sport was also contained to a very small portion of the world at that point. Not that many people were competing in running, and not many countries recognised the mile in the same way that the United States and Britain do. But everyone recognises the marathon distance, and it’s a globally competitive sport. The marathon has never been more popular – it’s the greatest participator sport that we have going right now – so I think a lot of people could really relate to what it means.”

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About horowitzrun

Jeff is a certified running, cycling, and triathlon coach, and is the author of "My First 100 Marathons" (Skyhorse Press 2008) and "Smart Marathon Training" (Velo Press 2011). An obviously addicted runner, Jeff has run at least one marathon in every state and on 6 continents, including marathons in South Africa, China, Bangkok, and Antarctica. Jeff is available for group, one-on-one, and virtual coaching. Options include: 1. Basic Training Plan. This includes a customized training schedule geared towards a goal race, with a detailed running schedule that would include all distances and target times for each workout, including speedwork, tempo, and endurance sessions. 2. Complete Fitness and Race Plan. This includes the plan listed above, plus the non-running workouts and drills that runners need for better overall fitness and performance. You would get strength & core workouts, as well as run-specific training drills and stretches. 3. Virtual Coaching. This includes all of the above, implemented on a week-by-week basis. We review each week's progress at week's end so that adjustments can be made. The program is tailored to suit you right up to race day. It involves more contact, on a weekly or even daily basis. 4. Full Coaching for athletes in the Washington DC area. All of the above, plus a weekly workout together including speedwork, drills, and strength training. 5. Individual track sessions. One-on-one track-based workouts. Contact Jeff for pricing.
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