Clayton-Tamm close

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.

July 2025
Jul
19
Saturday

Get Your Butt Kicked @ Route 66

Trail Run 2 mi
Jul
20
Sunday

Ballwin Triathlon

Triathlon
Jul
26
Saturday

Kimmswick 5K

5 km
August 2025
Aug
3
Sunday

St. Charles Runners Club Flat Five

5 mi
Aug
9
Saturday

Drink MO Beer 10k

5 km 10 km
Aug
9
Saturday

Swifty Fun Run - St. Louis

5 km 10 km 13 mi
Aug
16
Saturday

Feed My Sheep Ministry

5 km
Aug
17
Sunday

Ballwin Days 5K

5 km
Aug
17
Sunday

370 Lakeside Triathlon

Triathlon
Aug
24
Sunday

Summer Sizzler - St. Louis

5 km 10 km 15 km
Aug
30
Saturday

Corps of Discovery Trail Races

Trail Run 5 mi 8 mi 13 mi
September 2025
Sep
6
Saturday

Northside Trap Run

5 km
Sep
6
Saturday

CiderMan Triathlon

Triathlon
Sep
7
Sunday

Lap the Lake Race Series

5 km 10 mi 13 mi
Sep
13
Saturday

Rockin' Rockwoods 53K and 1/2 Marathon

Trail Run 13 mi 53 km
Sep
13
Saturday

Holy Trinity Catholic Church Titan Trot 5K

5 km
Sep
14
Sunday

Millstadt Parks Biathlon

Duathlon
Sep
14
Sunday

Dogtown Doggy Dash

5 km
Sep
20
Saturday

Alton Miles for Meso 5K Race

3 km 5 km
Sep
27
Saturday

Belleville Main Street Marathon

13 mi 26 mi
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series