Missouri Marathon Calendar 2025-2026

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Explore the best marathons in Missouri for 2025-2026! Our updated list features 12 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!

June 2025
Jun
14
Saturday

Love to Run St. Charles Half Marathon

5 km 10 km 13 mi 26 mi
September 2025
Sep
1
Monday

Heart of America Marathon

26 mi
Sep
27
Saturday

St. Joseph Missouri Marathon

5 km 10 km 13 mi 26 mi
October 2025
Oct
5
Sunday

Mo' Cowbell Marathon

5 km 10 km 13 mi 26 mi
Oct
11
Saturday

Declue Loops Trail Race

Backyard Ultra 8 mi 16 mi 26 mi 50 km
Oct
18
Saturday

Kansas City Marathon

5 km 10 km 13 mi 26 mi
Oct
18-19
Sa - Su

I-35 Challenge

13 mi 26 mi
November 2025
Nov
2
Sunday

Bass Pro Shops Conservation Marathon

26 mi
Nov
15
Saturday

Honoring Our Heroes Marathon

5 km 10 km 13 mi 26 mi
December 2025
Dec
6
Saturday

Wildwood Trail Marathon

Trail Run 13 mi 26 mi
Dec
27
Saturday

Run for the Ranch

5 km 13 mi 26 mi 6 hr
April 2026
Apr
11
Saturday

Greater St. Louis Marathon

5 km 10 km 13 mi 26 mi
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