Trailbreaker Marathon, Half Marathon, 10K and 5K Run/Walk

New Designs for 2017! 25th Anniversary Special Event!

Please click on the event you wish to find out more information about in the dropdown menu. Registration will open June 1st! We hope you will decide to join us for the Trailbreaker on April 7th, 2018!

Come out to Endurance House in Delafield from 10-7 on Friday, April 6th for early packet pickup!