is an internationally known triathlon and running coach/trainer and the author of the popular triathlon training book, Be IronFit: Time-Efficient Training Secrets for Ultimate Fitness
(Lyons Press). He trains endurance athletes on five continents through his business: IronFit (IronFit.com
). Don is also an elite athlete; his time of 9:08 at the 2004 Ironman Florida is one of the fastest times ever recorded by an athlete in the 45-49 age group.