Half Marathon calendar near St. Louis 2025-2026

Apr

19

Saturday

DoNot Stop Half Marathon - St. Louis

Maryland Heights | 13 mi from St. Louis

5 km 10 km 13 mi

Apr

26

Saturday

Greater St. Louis Marathon

St. Louis

5 km 10 km 13 mi 26 mi

Apr

26

Saturday

Students on the GO!

St. Louis

10 km 13 mi

May

17

Saturday

The Spring Sprung Half Marathon

Grover | 23 mi from St. Louis

5 km 10 km 13 mi

Jun

1

Sunday

Baby Shippey

High Ridge | 21 mi from St. Louis

Trail Run 10 km 13 mi

Jun

14

Saturday

Love to Run St. Charles Half Marathon

Saint Charles | 19 mi from St. Louis

5 km 10 km 13 mi 26 mi

Jun

15

Sunday

Hometown Half Marathon - St Louis

Saint Charles | 19 mi from St. Louis

5 km 10 km 13 mi

Jul

5

Saturday

Rockin' Riverfest Half Marathon

Saint Charles | 19 mi from St. Louis

5 km 10 km 13 mi

Aug

9

Saturday

Swifty Fun Run - St. Louis

St. Louis

5 km 10 km 13 mi

Aug

30

Saturday

Corps of Discovery Trail Races

Saint Charles | 19 mi from St. Louis

Trail Run 5 mi 8 mi 13 mi

Sep

27

Saturday

Belleville Main Street Marathon

Belleville | 13 mi from St. Louis

13 mi 26 mi

Oct

5

Sunday

Mo' Cowbell Marathon

Saint Charles | 19 mi from St. Louis

5 km 10 km 13 mi 26 mi

Oct

18-19

Sa - Su

The Great St. Louis Halloween Race

St. Louis

5 km 10 km 13 mi

Nov

9

Sunday

Saint Louis Half Marathon

St. Louis

5 km 13 mi