First Call Half Marathon
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First Call 5K, 10K, and Half Marathon, Waukesha, WI
The First Call event takes place on March 22, 2026 in Waukesha, Wisconsin at the E.B. Shurts Building, Fox River Sanctuary (810 W College Ave). The event is produced and timed by Silver Circle Sports Events, LLC and includes multiple distance and participation options.
The program of events includes:
- 5K
- 10K
- 1/2 Marathon
- 1/2 Marathon - Early Start
- 1K Kiddo's Race
- 5K Walk
- 5K Ruck
- 10K Ruck
The course uses the Fox River Trail and the Glacial Drumlin Trail. The organizer describes the route as flat and fast and notes the half marathon is run as three laps. All races start at the E.B. Shurts Building. Two aid stations are placed on the course and will be stocked with water, sports drinks, and energy gels.
Timing is chip based. An early start option is available only for half marathon participants; early starters receive a chip time but are not eligible for age group or series awards, and the course may not be fully set up for early starters. Ruck divisions are timed but are designated as noncompetitive without age group awards; ruck finishers receive a finisher woodle.
Additional details: parking is limited at the venue with street parking nearby, T-shirt guarantees apply to registrations by March 7, and the event has a no refund policy. Visit the organization's website for the most recent information.
