Kona Endurance and Adventure team rider Cory Wallace is no stranger to super intense training plans. Last year he dabbled with high altitude training as a part of his quest to secure the 24 Hour solo world championship. The hard work paid off and now Wallace is reflecting on lessons learned from training, overtraining, and how altitude plays a big role in his success. Recently, he posted a super in-depth piece on his blog outlining his plans to race over 20 events ranging in duration from 20 minutes to 24 hours. Find out how the world champion builds up enough strength and stamina to withstand the most challenging of races.