In 207 days · Sun, Mar 21, 2027
Don't let race day sneak up
One email during race week. That's it.
Sunday, March 21st, 2027
810 W College Ave, Waukesha WI
5K · 10K · Half
28–46°F · some rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2026
34–69°F
dry
2025
27–56°F
dry
2024
21–38°F
dry
2023
28–50°F
dry
2022
37–69°F
dry
2021
36–60°F
dry
2020
20–33°F
dry
2019
31–48°F
dry
2018
25–40°F
dry
2017
29–46°F
dry
Best months to race in Wisconsin →
About this race
First Call 5K, 10K & Half Marathon
Winter had its turn. Now it's yours.
Event Details
- Date: 2027-03-21
- Location: 810 W College Ave, Waukesha, WI
- Website: Register Here
About the Race
The snow is melting, the days are getting longer, and your running shoes have been waiting patiently by the door. It's time to answer The First Call and kick off your 2027 race season in style!
Who Should Join
- New Runners: Tackling your first race of the year?
- Experienced Runners: Chasing a new PR?
- Outdoor Enthusiasts: Simply excited to get back outside?
Course Information
This year's race takes place on the lightning-fast Glacial Drumlin and Fox River Trails. It's smooth, scenic, and so fast... it's practically cheating. If you've been waiting for the perfect course to test your winter training, you've found it.
Winter Run Series Finale
As the grand finale of the Chilly Willy Winter Run Series, The First Call is your victory lap for a winter well spent. While everyone else was waiting for spring, you were out there building strength, grit, and determination. Now it's time to see what all those cold-weather miles can do.
Get Ready for a New Season
A new season. Fresh goals. Fast miles.
Answer the First Call and make your first finish line your best one yet.
Course map
Train with a club
Run clubs near Waukesha to train with before race day.
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