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Triathlon Calendar near Maryville 2026-2027

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Explore the top triathlons near Maryville for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.

September 2026
Sep
13
Su

Millstadt Parks Biathlon

Duathlon Individual Biathlon 5 22 mi Team Biathlon - Male 5 22 mi Team Biathlon - Female 5 22 mi Team Biathlon - Co-Ed 5 22 mi
A biathlon with a 5 mile run and 22 mile bike plus a separate 5K run in Millstadt on Sept 13, 2026 with post race food and yoga; proceeds support the Park Fund.
June 2027
Jun
1
Tu

St. Louis Triathlon

Triathlon Duathlon Aquathlon Sprint 750 m 5 km Olympic 1 mi 10 km Sprint 750 m 20 km Sprint 750 m 20 5 km
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.
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