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Half Marathon Calendar near Lake Saint Louis 2026-2027

Monthly updates for Lake Saint Louis

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Explore the top half marathons near Lake Saint Louis for 2026-2027! We've gathered 20 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
7
Sa

963 Beulah Challenge

Trail Run 13 mi 25 mi 50 km
Feb
14-28
Sa

Running From Yeti - St. Louis, MO

5 km 10 km Half Marathon
Feb
21
Sa

Bodies Race Company - Maryland Heights

5 km 10 km Half Marathon
Feb
28
Sa

Stick Season Trail Run Series

Trail Run 4 mi 10 km ... Half Marathon 17 mi
Feb
28
Sa

The Frozen Stick Half Marathon Trail Run

Trail Run 5 mi 13 mi
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
Mar
22
Su

Bodies Race Company - St. Peters

5 km 10 km Half Marathon
April 2026
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
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
29
Sa

The Labor Day Slay

Trail Run 5 km 10 km Half Marathon
Aug
29
Sa

Corps of Discovery Trail Races

Trail Run 5 mi 8 mi 13 mi
September 2026
Sep
13
Su

Lap the Lake Race Series

5 km 10 mi 13 mi
October 2026
Oct
24-25
Sa - Su

The Great St. Louis Halloween Race

5 km 10 km 13 mi
November 2026
Nov
8
Su

Mo' Cowbell Marathon

5 km 10 km 13 mi 26 mi