24hr ultramarathons in Missouri, United States

Alternating dirt and paved 4.167-mile loops with timed laps, creek crossings, fields, cedar groves, rural countryside, and changing fall scenery

Flat, paved loop course around Arena Park with continuous lapped format, supporting the Howard L. Aslinger Memorial Scholarship

2.5-mile loop on Columbia’s D1 NCAA Cross Country course, well-groomed and slightly undulating, with solo and relay options up to 24 hours

Standard 400m track course with smooth surface, chip-timed laps, live counting, and direction changes every four hours