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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 3 exciting races in the area. Check out our detailed list below to find your next local race.

December 2026
Dec
5
Sa

Castlewood Adventure Race

Multisport 8 HOUR ADVENTURE RACE - S... 5 15 5 mi 8 HOUR ADVENTURE RACE - 2... 5 15 5 mi 8 HOUR ADVENTURE RACE - 3... 5 15 5 mi 8 HOUR ADVENTURE RACE - 4... 5 15 5 mi
An 8 hour off road adventure race near St Louis combining navigation, paddling, biking and running on a secret course with solo and team divisions.
June 2027
Jun
27
Su

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
St. Louis Triathlon at Creve Coeur Park on June 27, 2027 is a USAT sanctioned state championship offering sprint and Olympic formats, relays, a 6K run, and a finish festival.
August 2027
Aug
1
Su

MTC Zilla Tri

Triathlon Sprint 300 m 11.2 5 km
MTC Zilla Tri in Columbia IL offers sprint and youth short sprint courses with pool swims, road cycling and neighborhood runs under USAT rules.
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