ten minutes aintthatfast wrote:
5 YEARS of training with full motivation and good coaching, assuming no injuries:
80%. At least.
Without full motivation or accounting for injuries it's probably like 40%.
Stringing together a couple 5 minute miles is something most anyone is capable of regardless of athleticism, a lot of it is work ethic, upper body atrophy, mileage, etc.
This biggest factor for most guys would be the weight (fat) but that drops off with a steady diet of 60-70 mile weeks (easily doable after 1 year) and not eating like the average American.
This guy is insane. I'd like to provide some annecdotal evidence against him. For reference, I really like what Alan/Runningart2004 has said on the subject.
I am pretty much the guy in the OP's scenario: The work I do allows me up to 6 hours of the daylight hours of any & all days to train, so in other words I can get somewhat close to satisfying the "train all you want" premise. In April, 2012 I picked up running, so I'm in my 4th year of running, which is coming close to the 5 given by the OP. I started with a BMI of about 29, so overweight, yes, obese, no. I have never smoked anything or done any drugs. I have no chronic conditions, and my only allergies are a mild intolerance of sulfur and of lactose. I sleep about 7 to 8 hours per night. I eat very healthily (have had fast food only 3 times in the last 2 years, as an example of this). All those things satisfy the healthy or capable of being healthy premise. I am 5'5" and naturally stocky (wide hips, wide ribcage, etc.), so not a body-type that lends easily to fast running. Lastly, I train almost exclusively on a grass & cinder trail when outdoors -- no gravel, no asphalt, no concrete -- and set the treadmill to a 3% incline when indoors, so that I am decreasing the possibility of injuries from impact on hard surfaces in both instances. My age to start: 27, so not quite in my prime, but not terribly far off.
Result: After 3.5 years my 2-mile PR is 12:38. It was run in a 5k race where I set my 5k PR of 19:50. A few weeks before that I solo-ran a 2-mile on a standard track in 12:45, and I estimate that with some competition in a 2-mile-only race on the track I could go sub-12:30. My BMI is now 24.
What happened on the way there? Well, it wasn't until after 2 full years of running that I could run every day. It wasn't until the 3rd year that I could run more than 5.5 to 6 miles per day. If I attempted more than this (or doubles instead of singles) I literally had trouble walking next day. However, very interestingly, in my 4th year I have made excellent mileage gains, and somewhat easily can run 8 miles per day, with an occasional long run of up to 13.
Here is my 2-mile progression:
By the end of 2012: over 15:00 (not well-measured)
By the end of 2013: 13:59
By the end of 2014: 13:22
So far in 2015: 12:38
In the process, I have sustained piriformis, gluteal, and hamstring injuries. So Alan was very correct about chronic injuries (I've had a nagging piriformis issue since September, 2013).
I time myself on a track at 400m, mile, 2-mile, 5000m, and 10,000m at least twice per year, several times in the case of 400m and mile. I also occasionally measure my speed at other distances, like 200m. For reference, my 200m ability is currently 35.5, my 400m ability is 1:19, and my mile ability is 5:51.
I believe I represent someone a LOT closer to an 'average Joe' than most people on this message board, and I have yet to break 12:00 for the 2-mile, let alone 11 or 10.