Half-Marathon races near Saint Louis, Missouri — 2026 running calendar

Sep

26

Golden Harvest Half Marathon & 5k/10k - St. Louis

Saint Louis, Missouri, United States

$22.00 - $68.00

Running

1.6K 5K 10K Half-Marathon

Oct

24

The Great GO! St. Louis Halloween Race

Saint Louis, Missouri, United States

$25.00 - $85.00

Running

5K 1.6K Half-Marathon 10K +4

Oct

24

Spooky Sprint- St. Louis

Saint Louis, Missouri, United States

$22.00 - $68.00

Running

1.6K 5K 10K Half-Marathon

Nov

08

Saint Louis Half Marathon and 5K

Saint Louis, Missouri, United States

$55.00 - $95.00

Running

Half-Marathon 5K

Nov

28

Turkey Trails - St. Louis

Saint Louis, Missouri, United States

$22.00 - $62.00

Running

1.6K 5K 10K Half-Marathon

Jan

03

ShITR - Shivery Icy Trail Run

Saint Louis, Missouri, United States

$7.00 - $70.00

Running

1.6K 5K 10K Half-Marathon +2

Jan

03

Time Travel Half-Marathon/5K/10K - St. Louis

Saint Louis, Missouri, United States

$17.00 - $56.00

Running

Kid's Dash 1.6K 5K 10K +3

Feb

13

Running From Yeti - St. Louis, MO

Saint Louis, Missouri, United States

$40.00 - $70.00

Running

5K 10K Half-Marathon +2

Mar

07

Time to Paddy 5K/10K & Lucky 13.1 - St Louis

Saint Louis, Missouri, United States

Free - $50.00

Running

Kid's Dash 1.6K 5K 10K +4

Apr

03

Greater St. Louis Marathon

Saint Louis, Missouri, United States

$25.00 - $95.00

Running

Marathon Half-Marathon 10K 5K +5

Apr

18

DoNot Stop Half Marathon/5K/10K - St. Louis

Saint Louis, Missouri, United States

Free - $50.00

Running

Kids Dash 1.6K 5K 10K +4

Aug

29

The Labor Day Slay

Saint Louis, Missouri, United States

Running

5K 10K Half-Marathon