Saint Charles
Triathlon Calendar near Saint Charles 2026-2027
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Explore the top triathlons near Saint Charles for 2026-2027! We've gathered 9 exciting races in the area. Check out our detailed list below to find your next local race.
May 2026
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.
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.
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.
Join the Metro Tri Club in Columbia for a USAT sanctioned sprint triathlon featuring a pool swim and shaded run. With events for adults and youth, this multi sport challenge offers flat bike courses and scenic neighborhood trails.
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..
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.