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Half Marathon Calendar near Weldon Spring 2026-2027

Monthly updates for Weldon Spring

Get new running races (and updates) in your inbox every month.

Explore the top half marathons near Weldon Spring for 2026-2027! We've gathered 21 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
24
Sa

Time Travel Half-Marathon - St. Louis

3 mi 6 mi 13 mi
Jan
24
Sa

The Frozen Stick Half Marathon Trail Run

Trail Run 5 mi 13 mi
Jan
24
Sa

St. Louis Track Club Frostbite Series

3 km 5 km ... 20 km 13 mi
February 2026
Feb
7
Sa

963 Beulah Challenge

Trail Run 13 mi 25 mi 50 km
Feb
7
Sa

St. Louis Track Club Frostbite Series

2 mi 5 km ... 20 km 13 mi
Feb
14
Sa

Running From Yeti - St. Louis, MO

5 km 10 km Half Marathon
March 2026
Mar
8
Su

Quivering Quads Trail Runs

Trail Run 8 mi 13 mi
Mar
14
Sa

Creve Coeur St. Paddy's Half Marathon

5 km 10 km Half Marathon
April 2026
Apr
11
Sa

Greater St. Louis Marathon

5 km 10 km Half Marathon Marathon
Apr
11
Sa

Students on the GO!

10 km 13 mi
Apr
18
Sa

DoNot Stop Half Marathon - St. Louis

5 km 10 km Half Marathon
May 2026
May
2
Sa

The Spring Sprung Half Marathon

5 km 10 km Half Marathon
May
2
Sa

Drink MO Wine Run Half Marathon

5 km 10 km 13 mi
May
2
Sa

The Spring Sprung Ruck and Half Marathon

Trail Run 5 km 10 km Half Marathon
June 2026
Jun
7
Su

Baby Shippey

Trail Run 6 mi 13 mi
Jun
13
Sa

Love to Run St. Charles Half Marathon

5 km 10 km Half Marathon
July 2026
Jul
4
Sa

Rockin' Riverfest Half Marathon

5 km 10 km 13 mi
Jul
4
Sa

Rockin' Riverfest 10k Fun Run

5 km 10 km 13 mi
August 2026
Aug
8
Sa

Swifty Fun Run - St. Louis

5 km 10 km 13 mi
Aug
29
Sa

The Labor Day Slay

Trail Run 5 km 10 km Half Marathon