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 4 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!
August 2026
A USAT sanctioned multisport event in Saint Peters on August 23, 2026 offering distances from a 300 meter super sprint to a half distance, plus duathlon, aquabike, aquathlon and a 5K run.
June 2027
A USAT-sanctioned triathlon at Innsbrook Resort with a lake swim, rolling-bike loops, and mixed-surface run. Multiple sprint and Olympic distances are offered along with aquabike and relay options, plus packet pickup and on-course support.
A USAT sanctioned state championship triathlon at Creve Coeur Park on June 28, 2026 featuring sprint and Olympic formats, relays, a 6K run, pre race expo and post race festival with awards and athlete amenities.
July 2027
A USAT sanctioned pool triathlon in Ballwin on July 19, 2026 with 300 yard swim, 9 mile bike and 3.4 mile run plus single, relay and double options.