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 12 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!
October 2026
December 2026
An eight hour off road adventure race in the St Louis area where teams navigate unmarked terrain by map and compass across paddling, biking and running legs.
February 2027
April 2027
Off-road triathlon at Table Rock State Park in Branson, MO on Apr 24, 2027, with full and sprint distances and World Championship qualifying slots.
May 2027
Multi-distance triathlon and duathlon event in Kansas City offering Olympic, sprint, relay and duathlon formats, scheduled for May 16, 2027.
Monthly updates for Missouri
Get new running races (and updates) in your inbox every month.
June 2027
Experience Missouri’s premier multi-sport showdown at Creve Coeur Park with triathlon, duathlon, and aquathlon races for all athletes including a USAT State Championship.
Lake swim, rolling bike course and mixed-surface run at Innsbrook Resort on June 12, 2027, with sprint and Olympic distances plus relay and aquabike options.
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.
Multi-discipline event on July 24, 2027 in Ozark, MO with triathlon, relay, and duathlon races plus a river swim and quiet country bike and run courses.
August 2027
Multi discipline event at Smithville Lake offering short and long triathlon and duathlon distances, relay and virtual options, with proceeds donated to support military families.
A Last Man Standing triathlon in Springfield where athletes repeat a short 100 m swim, 4 mi bike and 1 mi run and must finish each loop in under 60 minutes.
September 2027
Experience a USAT sanctioned triathlon at 370 Lakeside Park featuring a beach start, scenic rural bike course, and flat trail run with distances from 5K to Half Triathlon.