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Triathlon Calendar near Mascoutah 2025-2026

Explore the top triathlons near Mascoutah for 2025-2026! We've gathered 43 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
11
Saturday

Greater St. Louis Marathon

5 km 10 km 21 km 42 km
Apr
11
Saturday

Double Chubb 50K

Trail Run 8 mi 25 km 50 km
August 2026
Aug
15
Saturday

Feed My Sheep Ministry

5 km
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