Missouri
Missouri Triathlon Calendar 2026-2027
Monthly updates for Missouri
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Missouri for 2026-2027! Our updated list features 10 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!
February 2026
A pool-to-track triathlon at Mizzou Rec on February 1, 2026 with a 500 m swim, a 10 mile stationary bike leg and a 5 km track run. Categories include Age Group, Collegiate and Mizzou Students and USAT membership is required.
March 2026
Race indoors at Tri WashU with a pool swim, spin bike session and 5k track run. Collegiate and age group fields chase bobblehead awards and national qualifying points in a fast, friendly atmosphere.
May 2026
Join the Warehouse 660 TriFAHL on May 2, 2026 in Kirksville for a friendly short course triathlon around Truman State University. Swim, bike and run solo or as a relay team in this community focused event.
Take on the C26 Kansas City Triathlon on May 17 2026 with Olympic, sprint, duathlon and relay options. Flat closed road courses and strong race day support make this an ideal early season test for all levels.
June 2026
The Innsbrook Triathlon on Saturday June 6, 2026 in Wright City MO offers sprint and Olympic distances plus aquabike and relay options. Swim Lake Aspen then bike rolling hills and run a mixed gravel and pavement course.
Join the 10th Great Escape Triathlon in Jefferson City MO on June 13 and 14, 2026 for pool swims, bike routes and a run past the old Missouri State Penitentiary. Events for all ages include sprints, duathlon, relays and kids races.
The 39th annual ConcreteMan and ConcreteKids Triathlon comes to Rogersville Missouri on June 19 and 20 2026. Choose swim bike and run distances for all ages, including a new supersprint and fun races for kids.
July 2026
Tackle a fast, family friendly sprint triathlon in Ballwin with a 300 yard pool swim, 9 mile bike and 3.4 mile run. Options include relays, a buddy division and a Double Triathlon for athletes seeking an extra challenge.
Honor the fallen and support their families at the Matt Mason Cowboy UP Triathlon and Duathlon at Smithville Lake on July 26. Swim, bike and run solo, as a relay, or virtually across scenic courses for all abilities.
August 2026
Race the 370 Lakeside Triathlon in St Peters on August 23 2026 with options from super sprint to half distance plus a 5K. A pre race open water clinic and relay, para, collegiate and high school divisions make this event welcoming to all.