Missouri Triathlon Calendar 2025-2026

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Explore the best triathlons in Missouri for 2025-2026! Our updated list features 213 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!

November 2025
Nov
27
Thursday

Dallas County YMCA Turkey Day 5K

5 km
Nov
27
Thursday

Kirkwood Webster Turkey Day Run

3 mi 6 mi
Nov
27
Thursday

Chesterfield Turkey Trot

5 km
Nov
27
Thursday

Olivette Turkey Trot

5 km
Nov
27
Thursday

Sertoma Turkey Trot

5 km
Nov
27
Thursday

Arnold Gobble Gobble Race

5 km
Nov
27
Thursday

Fitness Now Turkey Trot

5 km 10 km
Nov
27
Thursday

Turkey Trot STL

5 km
Nov
27
Thursday

Turkey Trot Running for Seconds

5 km
Nov
29
Saturday

Turkey Trails - Saint Joseph

5 km 10 km
Nov
29
Saturday

The Best Races - Kansas City

5 km 10 km 13 mi
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
5-7
Fr - Su

Frozen Chosin Challenge

Trail Run 4 mi 17 mi 40 mi
Dec
6-7
Sa - Su

Last Chance Ultra

Trail Run 10 mi 50 km 50 mi 100 mi
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

Mary Mingle 5K

5 km
Dec
6
Saturday

Santas On The Loose

5 km
Dec
6
Saturday

Candy Cane Course - Springfield

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