Trailbreaker

Waukesha, United States • 29 Mar 2026

Trailbreaker : March 29, 2026, Waukesha, WI

The Trailbreaker is scheduled for March 29, 2026, in Waukesha, WI, with the main venue at the Schuetze Recreation Center / Frame Park Baseball Stadium. The event has been hosted by the Park Foundation of Waukesha, Inc. since 2009 and is produced and managed by Silver Circle Sports Events, LLC under a long-term agreement. Proceeds support city parks, trails, recreation programs, and the urban forest through the Park Foundation.

Events, course, and race services

Distances and divisions include:

  • Marathon
  • Half Marathon
  • 10K
  • 5K
  • Walk
  • Kiddos 1K
  • 5K Ruck
  • 10K Ruck
  • Half Marathon Ruck
  • The RAD (run any distance up to 22 miles)

The Glacial Drumlin Marathon is a USATF certified course. The marathon course includes about 6 miles of city streets and sidewalks and about 20 miles of paved trails, including sections of the Fox River Trail and Glacial Drumlin Trail, and passes parks such as Frame Park, Veterans Park, Grede Park, Bethesda Park, and the Fox River Sanctuary. All events start and finish at the home plate of Frame Park Baseball Stadium. Aid stations are located about every 2 miles at named trail intersections and provide water, sports drinks, and energy gels. Packet pickup requires a receipt with a QR code accessible on a mobile device. Race shirts are guaranteed for registrations by noon on March 13, 2026. Finisher woodles are given to all participants; overall and 5-year age group awards are also presented. The Kiddos 1K has a $5 entry; registrants receive a bib and a finisher medal and the fee is donated to the foundation. Rucking is offered in multiple distances and is defined as walking or hiking with a weighted backpack. Visit the organization's website for the most recent information.

Race information

42 km
Marathon
21 km
Half Marathon Ruck
21 km
Half Marathon
10 km
10k
10 km
10k Ruck
5 km
5k Ruck
5 km
Kiddos 1k
The Rad
Walk
Visit the organization's website for the most recent information.
Trail runs nearby

Among the Trees on Oct 25 in Dousman WI invites trail runners to tackle 50k or 100k routes on Scuppernong and Ice Age Trail loops. Finishers get to brand a wooden medal with optional finish time for a memorable keepsake.

Join the Warrior 5K & 8K Through The Park on November 8, 2025 in Greenfield Park, West Allis. Enjoy scenic rolling trails, team or solo races, and postrace treats while supporting Wisconsin Lutheran College and a local charity.

Join the PRO Mixed XC Relay at Mitchell Park in Brookfield on Nov 9, a four leg mixed relay with each teammate running a 3K in male female male female order. Open to clubs and individuals with Youth, High School, Open and Masters divisions.

Event overview The Fast Eddie 50k/5k takes place on Saturday, November 15, 2025, at Lapham Peak in Delafield, Wisconsin. The event includes the following distances: 50K 5K The location listed is W329 N, 846 County Trunk Hwy C, Delafield,..

Join the Bucks & Does 13.1 Pointer on November 15, 2025 in Nashotah Park for scenic wood chip trail races including a half, 10K, 5K and a kids Bambi Run. Enjoy shaded paths, chip timing and a unique finisher woodle.

Whitewalker Ultra 100k is a self-supported ultramarathon held in Palmyra, Wisconsin, starting at Emma Carlin Trailhead. The course comprises two 50k loops, first looping west on the Ice Age Trail to Whitewater and back, followed by a second..