Schon Park 9 Endurance Run

Backyard Ultra in New Town is the first annual ultra to be held in Saint Charles, Missouri, at the New Town amphitheater (3246 Rue Royale St). The event centers on a 4.17-mile loop, with a last-person-standing format requiring runners to be back at the start within the next hour to begin the next la..

The Minnie Ha Ha 6 & 12 Hour Run is an annual timed ultrarunning event held at Minnie Ha Ha Park in St. Louis, Missouri. The race features 6- and 12-hour options on a USATF-certified, 1.17-mile paved loop course that winds through a mostly flat, wooded park with scenic views of the Meramec River and..

Whiskey Run St. Louis / St. Charles unfolds along the Katy Trail in Saint Charles, MO, with a race start/finish at the Katy Trail Parking Lot (1050 S Riverside Dr).The event offers 5K, 10K, and Half Marathon distances; the Half Marathon is described as two 10K laps plus 1K. Aid stations are located..

The Pere Marquette Endurance Trail Run is a challenging 7.8-mile trail race held annually in December at Pere Marquette State Park in Grafton, Illinois. Celebrating its 35th year, the course features hilly terrain and scenic views through the park. Participants enjoy pre-race coffee and packet picku..

Doomsday 5K is a 5K trail race at Cliff Cave County Park near Oakville, Missouri. The course starts on pavement, then follows the dirt Spring Valley Trail Outer Loop for most of the race, finishing on pavement, totaling about 5K with roughly 272 feet of elevation gain. The all-dirt Spring Valley Tra..

The Double Chubb is a trail running event held at West Tyson County Park in Eureka, Missouri, offering 50K, 25K, and 8-mile distances. The race features a relaxed atmosphere with a roughly nine-hour cutoff time and multiple aid stations stocked with standard ultra foods and hydration options. Partic..