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Triathlon Calendar near Oakville 2025-2026

Explore the top triathlons near Oakville for 2025-2026! We've gathered 87 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
27
Thursday

Turkey Trot STL

5 km
Nov
29
Saturday

Girl Scout Cookie Run

5 km
Nov
29
Saturday

Trail Trot on Turkey Ridge

Backyard Ultra 2 hr 4 hr
December 2025
Dec
6
Saturday

Wild in the Woods - 5 & 10 Mile Trail Race

Trail Run 5 mi 10 mi
Dec
6
Saturday

Wildwood Trail Marathon

Trail Run 13 mi 26 mi
Dec
6
Saturday

Santas On The Loose

5 km
Dec
6
Saturday

Santa's North Pole Dash

5 km
Dec
6
Saturday

Belleville Gingerbread 5K

5 km
Dec
7
Sunday

Bad Santa 5K

5 km
Dec
20
Saturday

Jingle Bell Run - Saint Charles

5 km
Dec
21
Sunday

Bodies Race Company - St. Peters

5 km 12 km
January 2026
Jan
1
Thursday

Doomsday 5k - Oakville, MO

Trail Run 5 km
Jan
1
Thursday

Way of Lights Run

2 mi 5 km
Jan
17-18
Sa - Su

The Shippey Endurance Runs

Trail Run 20 mi 40 mi 100 km 100 mi
Jan
24
Saturday

Time Travel Half-Marathon - St. Louis

5 km 10 km Half Marathon
Jan
24
Saturday

The Frozen Stick Half Marathon Trail Run

Trail Run 5 mi 12 km 13 mi
Jan
31
Saturday

Castlewood Cup

Trail Run 15 km
February 2026
Feb
7
Saturday

963 Beulah Challenge

Trail Run 13 mi 25 mi 50 km
Feb
14
Saturday

Running From Yeti - St. Louis, MO

5 km 10 km Half Marathon
Feb
22
Sunday

Couch Tater Run

5 km 10 km
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