Wisconsin Trail Series

APR
10
2026
Explore seven walker friendly trail races across Waukesha County and Wisconsin state parks from April to October 2026. Choose 5K 10K half marathon or ruck distances, bring reusable hydration, and chase series points into a final championship.
Fri 10 Apr 2026
Half Marathon 10 kilometers 5 kilometers

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Wisconsin Trail Series : overview

The Wisconsin Trail Series runs from April 10 to October 16, 2026, as a sequence of seven trail races across Waukesha County and Wisconsin state parks. The series is based in Oconomowoc, WI (1327 Wall Street, 53066) and is produced by Silver Circle Sports Events. Courses are walker-friendly, the series is cupless (participants must bring reusable cups or hydration gear), and rucking is offered at all events. A series-ending championship is part of the calendar.

Distances, registration and key rules

  • 5K
  • 5K Walk
  • 10K
  • Half Marathon
  • 5K Ruck
  • 10K Ruck
  • Kiddo's 1K (free when a parent is participating)

Series and single-race registration options are available. The listed event price is $180 with a price increase scheduled after December 27, 2025. Series registrations are non-deferrable; participants may switch distances for free. To qualify for series awards a participant must complete at least 4 of the 7 races, and at least 4 completed races must be in the same distance for distance-specific awards. The scoring system awards points by age-group placement (1st = 10 points down to 10th = 1 point; everyone receives at least 1 point). Walk division is timed but non-competitive and walkers receive a finisher Woodle. Kiddo's 1K entrants receive a bib and finisher medal. Park entrance fees may apply and Waukesha County passes must be purchased online. Visit the organization's website for the most recent information.