I-35 CHALLENGE

Presented by the Half Fanatics & Marathon Maniacs

TWO RACES - TWO CITIES - TWO STATES - ONE EPIC WEEKEND

training Resources

Click here for the official I-35 Challenge Training Program that includes tips and techniques for completing the challenge as well as a week-by-week training guide. These resources were developed by Olympian & IMT Des Moines Marathon official training consultant, Jeff Galloway.