ZenTri 648 - 12 Secrets from Kona and the Beauty of Margins

Published: Oct. 30, 2017, 6:22 p.m.

b'12 secrets that you probably didn\'t know happened at the Kona Ironman World Championships. Also, how to use "margins" to make your life better, Kai and Emily take on the Atlas triathlon, and how to use sweet spot training to make you faster on the bike.'