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Triathlon Calendar near St. Peters 2025-2026

Explore the top triathlons near St. Peters for 2025-2026! We've gathered 35 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
2-4
Fr - Su

Thunder Chicken 100K Stage Races

Trail Run 25 km 21 mi 26 mi 100 km
May
3
Saturday

Drink MO Wine Run Half Marathon

5 km 10 km 13 mi
May
4
Sunday

Fiesta de Mayo 5k

5 km
May
10
Saturday

Washington Police Explorers Post 2438 5k Run

5 km
May
10
Saturday

Karen 4 A Kause

5 km
May
17
Saturday

Ferguson Twilight Run

5 km 10 km
May
17
Saturday

Taco the Town 5K

5 km
June 2025
Jun
1
Sunday

Baby Shippey

Trail Run 10 km 13 mi
Jun
7
Saturday

Run for Life and Learning

6 km
Jun
7
Saturday

Live Your Best Life Bubble Run

5 km
Jun
7
Saturday

Innsbrook Triathlon

Triathlon
Jun
14
Saturday

Love to Run St. Charles Half Marathon

5 km 10 km 13 mi 26 mi
Jun
14
Saturday

Mud Factor - St. Louis

Obstacle Run 5 km
Jun
14
Saturday

Race for Reconciliation

5 km
Jun
15
Sunday

Hometown Half Marathon - St Louis

5 km 10 km 13 mi
Jun
21-22
Sa - Su

Dark 2 Dawn Night Trail Races

Trail Run 10 km 6 hr 9 hr
Jun
22
Sunday

St. Louis - HFTC 5k

5 km
Jun
29
Sunday

St. Louis Triathlon

Triathlon
Jun
29
Sunday

Blue Line Run

5 km
July 2025
Jul
5
Saturday

Rockin' Riverfest Half Marathon

5 km 10 km 13 mi
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