The Importance of Trial and Error

When you say the taper, probably like a lot of other areas of training, where the more historical data you have to reference. The longer you've been a runner, I'm assuming that it's a little bit more of kind of throwing darts at a dartboard with a taper than it would be if someone's done 20 marathons and you have this sort of historical information to go against. "I just tell people like, just don't do too much," he says. 'It is trial and error a lot of it'