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Triathlon Calendar near Clayton-Tamm 2025-2026

Explore the top triathlons near Clayton-Tamm for 2025-2026! We've gathered 50 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
7
Saturday

963 Beulah Challenge

Trail Run 12 mi 3 hr ... 6 hr 9 hr
Feb
28
Saturday

Shrewsbury Thrifty Fifty

1 hr 50 km 50 mi
March 2026
Mar
6
Friday

Queeny Backyard Ultra

Backyard Ultra 4 mi
Mar
21-22
Sa - Su

American Bottoms 100

55 mi 110 mi
Mar
28
Saturday

Schon Park 9 Endurance Run

Backyard Ultra 3 hr 6 hr 9 hr
April 2026
Apr
10-12
Fr - Su

Ozark Foothills Endurance Runs

Trail Run 25 km 26 mi ... 100 km 100 mi
Apr
11
Saturday

Greater St. Louis Marathon

5 km 10 km 13 mi 26 mi
Apr
11
Saturday

Double Chubb 50K

Trail Run 8 mi 25 km 50 km
May 2026
May
16
Saturday

The Spring Sprung Half Marathon

5 km 10 km 13 mi
June 2026
Jun
7
Sunday

Baby Shippey

Trail Run 10 km 13 mi
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