Grindfest Progression Run

Join us for the thrilling Grindfest Progression Run on December 27, 2025, at the Pettit National Ice Center in Milwaukee! This unique indoor event, a beloved tradition since 2013, features a last-person-standing progression run on a 443-meter track where participants increase their speed every three laps until only the fastest remain. With two starting options around 6:30 and 6:10, runners will push their limits in this exciting challenge. The competition culminates in a thrilling finale where the final pack races to the finish after the iconic bell rings. Grindfest is not just a race; it's a festive gathering with fun prizes for creative and speedy teams, the best ugly sweater, a prediction contest, and even the coveted Mom of the Year award up for grabs. Whether you're a seasoned runner or a spirited spectator, Grindfest promises an unforgettable day of excitement and camaraderie.