Gumbo Flats Pumpkin Run

Gumbo Flats Pumpkin Run, now in its 24th year, is a Chesterfield Regional Chamber event in Chesterfield, Missouri. Taking place on Saturday, October 18, 2025, the race offers a 5K and 10K out-and-back courses through area streets, plus a half-mile Children’s Fun Run for ages 10 and under. The vibe is family-friendly and festive, with costumes encouraged for participants of all ages.

The race begins at the Chesterfield Towne Center, with event-day packet pickup and awards for top finishers in age groups and overall winners. Proceeds support chamber initiatives. The address listed for the event is 161 Long Road, Chesterfield, MO. Visit the organization's website for the most recent information.