Missouri
Missouri Triathlon Calendar 2026-2027
Monthly updates for Missouri
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Explore the best triathlons in Missouri for 2026-2027! Our updated list features 14 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!
May 2026
Join this short distance triathlon in Kirksville featuring a pool swim, a two loop bike course, and a campus run. Participate as an individual or part of a relay team in a supportive environment.
Test your endurance in Warsaw with 2, 6, and 24 hour adventure courses featuring biking, trekking, and paddling. This USARA Regional Championship event is open to solo racers and teams of all sizes.
Experience a flat and fast duathlon featuring a 12 mile bike circuit and runs along the Mississippi River. Participants cross the historic Chain of Rocks Bridge in this scenic Illinois multisport event.
Join the Ellisville Splash and Dash, a 5K run and walk in Bluebird Park supporting Asher's Playground. All proceeds go toward building an inclusive playground. Participants can relax at the Edge afterwards, with awards for top finishers.
Multi-distance triathlon and duathlon in Kansas City on May 17, 2026, with Olympic, sprint, relay, and elite formats, time trial and wave swim starts, and closed flat bike and run courses.
June 2026
A triathlon at Innsbrook Resort in Wright City with a sandy beach swim start on Lake Aspen. Offers sprint and Olympic distances plus aquabike and relay options, including a sprint race for high school athletes.
The Great Escape Triathlon in Jefferson City offers a unique course. Athletes swim in a 50-meter pool, then bike and run past historic and modern prison sites. Events are available for ages 5 and up, with medals for all finishers.
Experience Missouri oldest triathlon in Rogersville with events for all ages. Join the 39th annual edition featuring adult sprint and Olympic distances alongside dedicated youth races.
Experience a USAT State Championship event at scenic Creve Coeur Park. With distances ranging from a 6K run to Olympic triathlons and duathlons, there is a multi sport option for every athlete to enjoy.
July 2026
This two-day triathlon in New Town St. Charles features swim, bike, and run segments for adults and youth. The event includes sprint, long, elite, and relay categories. Kids race on Saturday, with adult competitions following on Sunday.
The 27th annual Ballwin Triathlon features a USAT-sanctioned sprint course: a 300-yard pool swim, 9-mile bike, and 3.4-mile run. A unique Double Triathlon option challenges athletes to complete the course twice. The event offers individual, relay, an..
Honor military sacrifice at this patriotic multi-sport event featuring triathlon and duathlon distances at Smithville Lake Missouri. Choose between short and long courses with all proceeds donated to charity.
The Tour de Kirkwood Triathlon offers a welcoming introduction to multisport in St. Louis. Choose an individual or relay entry for this timed event, which focuses on participation over traditional awards. A post race pizza lunch is included.
August 2026
A USAT sanctioned multisport event on August 23, 2026 at 370 Lakeside Park in Saint Peters, MO. Races include sprint, Olympic and half distance triathlons plus duathlon, aquabike, aquathlon, relays and a 5K run.