Of course he has a massive athletic base. You don't win the Leadville 100 as a newbie, let alone smashing the record that stood for nearly 20-years. And then go to win another 100-mile race about 7-10 weeks later nearly breaking that record.

David Roche has been known in the running/cycling community for years, mostly as a coach, but he was looked at as someone that had unconventional training techniques. This was a huge accomplishment, but most people never heard of it, because ultramarathons are not popular in the wider population. But all the training techniques he talks about we've all heard and discussed here.

Here's a 9-minute video that kind of sums up who David Roche is