First Call Half Marathon
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First Call 5K, 10K & Half Marathon - Waukesha, WI
First Call is scheduled for March 21, 2027 at the Fox River Sanctuary, E.B. Shurts Building, 810 W College Ave, Waukesha, Wisconsin 53186, United States. The event uses the Glacial Drumlin and Fox River Trails.
The event program includes running races, ruck events, a walking option, and a children’s race. Distances offered include:
- 5K (3.12 Miles)
- 10K (6.2 Miles)
- Half Marathon (13.1 Miles)
- 5K Ruck and 10K Ruck
- 5K Walk
- 1K Kiddo's Race
Registration opens June 30, 2026 for all listed events. Registration closes January 1, 2027 for most 5K, 10K, ruck, and walk entries; the half marathon entries close January 31, 2027; the kid 1K remains open through race day. Published entry fees vary by event: many shorter races and rucks list $32.50, the half marathon lists $50.00, the half marathon early start option lists $55.00, and the kid 1K is free. Early start entrants in the half marathon are not eligible for overall or age group awards.
The event is described by the organizer as the final event of the Chilly Willy Winter Run Series. Visit the organization's website for the most recent information.
