Half Marathon at Ben Geren Regional Park

The US 1M, 5K, 10K, 15K, and Half Marathon at Ben Geren Regional Park in Fort Smith, Arkansas, is a multi-distance running event held on July 19, 2025. The races feature out-and-back courses, with the half marathon consisting of six laps of its designated route. The 5K, 10K, and 15K distances involve multiple laps of a shared course, while the 1-mile race is a single out-and-back route.

The event offers a festive atmosphere encouraging costumes, with a best costume award and group photo at the start. All finishers receive themed medals, and the race contributes points toward the US Road Running Race Series. Visit the organization's website for the most recent information.