O'brien Trail Races

The Kinni Trail Race is a unique trail running event held at Kinnickinnic State Park in River Falls, Wisconsin. Covering approximately 10 to 13 miles, the race offers participants the freedom to choose their own route through scenic forested paths and singletrack trails. Runners embark on a scavenge..

The Baby Backyard Ultra is a trail running event held in Maple Grove, Minnesota, offering distances from 5K up to a 50K ultra marathon. Participants start a 5K loop every hour on the hour, continuing until they complete 50K or choose to stop, making it accessible for runners and walkers of all level..

The Ox Cart Days 5K Trail Run is a family-friendly event held at the Riverwood Nature Center in Star Prairie, Wisconsin. The race features a 5K trail run with portions on unpaved trails, offering a scenic and natural running experience. Alongside the run, there is a 1 Mile Nature Walk open to all wi..

The Bingo Challenge Races take place in Lake Elmo, Minnesota, featuring a unique backyard-style running event with a fun bingo twist. Participants run 3.5-mile trail loops around Eagle Point Lake, aiming to complete each loop in under 45 minutes to draw bingo balls and mark their cards. Two bingo ca..

The Mindy Creek Trail Races take place in St. Croix Falls, Wisconsin, starting at the Polk County Information Center. The event offers three distances: a marathon, half-marathon, and 10K, all featuring scenic trails with technical sections, small hills, bridges, and a mix of single track, gravel, pa..

The Ravine Trail Run 5k / 10K is a moderately challenging trail race held in Cottage Grove, Minnesota, featuring cross-country ski trails with hills, valleys, shaded trees, and sunny prairie sections. The course is a 3.2-mile loop with varied terrain including grass, mud, packed dirt, and rocky wash..