Obstacle Course Races in Missouri
Missouri has 1 upcoming obstacle course race scheduled for 2026: River Rat Obstacle 5K & 1 Mile Fun Run in Lexington on August 29.
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Frequently asked questions
What is an obstacle course race (OCR)?▾
An OCR combines running with physical obstacles like walls, rope climbs, mud pits, and carries. Popular OCR brands include Spartan Race, Tough Mudder, and HYROX. Events range from 3 miles to marathon distance.
What is HYROX?▾
HYROX is the fastest-growing fitness race format, combining 8 x 1km running segments with 8 functional fitness stations (sled push, rowing, burpees, etc.). Events are held indoors at convention centers in major cities. Find HYROX events on RACE.
What is the difference between Spartan Race and Tough Mudder?▾
Spartan Race is timed and competitive with mandatory obstacle completion. Tough Mudder is team-focused with no timing and optional obstacles. Spartan offers Sprint (5K), Super (10K), and Beast (21K) distances.
Do I need to be in shape for an OCR?▾
Most OCR events welcome all fitness levels. Many obstacles have bypass options for beginners. A base of running fitness and some upper body strength is helpful, but thousands of first-timers complete these events every weekend.
What are the biggest OCR events in the US?▾
Spartan Race and Tough Mudder hold events in 20+ US cities. HYROX is expanding rapidly with events in Miami, New York, Boston, Dallas, and DC. Savage Race and BoneFrog are growing challengers. Browse all OCR events on RACE.