1120 Baxter Street, Waukesha WI
Sunday, March 29th, 2026
The Trailbreaker is Waukesha’s signature running event, proudly held every year since 1993. What began as the vision of three passionate local runners has grown into a celebrated tradition that brings the community together each spring.
Over $200,000 has been generated and re-invested with the Parks, Recreation, and Forestry Department to "make Waukesha a better place to live, work and play". The PFW Inc. is a 501(c)3 organization that utilizes funds raised to promote "Community Quality of Life". All staff are unpaid volunteers. Please consider making a donation!
Rucking is a physical activity that involves walking or hiking with a weighted backpack (called a rucksack). The term comes from the military, where soldiers train and operate carrying heavy loads over long distances. In civilian fitness and recreation, rucking is gaining popularity as a versatile and low-impact workout. We now offer it at all Wisconsin Trail Assail Events!
Run Any Distance
If you are training for a spring marathon or ultra, this is the division for you! You can run any distance you want up to 22 miles. You will receive everything other distance get, but you will not be eligible for age group awards since there are no age groups! You will receive a time.
Course Map
Suggested Races
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