500 S 84th St., Milwaukee WI
Saturday, December 27th, 2025
Event Overview
Since 2013, runners from across the Midwest have gathered to celebrate the end of the year with a one-of-a-kind event: an indoor, last-person-standing progression run!
Race Format
- Location: Hosted on the Pettit National Ice Center's 443m track.
- Progression: Runners speed up every 3 laps (0.84 miles), until they can’t go any faster.
- Start Options: Two options for when to start progressing (~6:30 or ~6:10).
- Final Race: When it's down to the final pack, The Bell will be rung and a 3 lap first-to-the-finish race to determine the top places is on.
Entertainment and Prizes
- Involvement: GrindFest promises to be a blast for all, from runners to spectators.
- Prizes: Awards for the most creative and fastest teams.
- Special Contest: Prizes for athletes who run furthest in an ugly sweater, and a prediction contest.
- Special Award: The coveted Mom of the Year award.
Additional Information
Check out our website for more information.
Event Details
Date: December 27, 2025
Location: 500 S 84th St., Milwaukee, WI
Registration Link: Sign Up Here
Course Map
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