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Half Marathons Near St. Louis
Showing the next 32 runs that match your filters
Featured
Christie Clinic Illinois Race Weekend
Get 10% Off - Use Code RUNIL26
Date: Apr 23-25, 2026 - Thursday to Saturday
Size: 10,000+ participants
Location: Champaign, Illinois
Featured
Greater St. Louis Marathon
Get 20% Off - Use Code RGSLM20
Date: Apr 11, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: St. Louis, Missouri
Greater St. Louis Marathon
Get 20% Off - Use Code RGSLM20
Date: Apr 11, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: St. Louis, Missouri
Mainly Marathons Riverboat Series - Day 6
Date: Apr 18, 2026 - Saturday
Size: 1 - 100 participants
Location: Cape Girardeau, Missouri
DoNot Stop Half Marathon/5k/10k - St. Louis, MO
Date: Apr 18, 2026 - Saturday
Size: 100 - 500 participants
Location: Maryland Heights, Missouri
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Drink MO Wine Run - 5K, 10K, Half Marathon
Date: May 2, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Augusta, Missouri
Hometown Half Marathon & 5k/10k - St. Louis
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Saint Charles, Missouri
SPRING SPRUNG 5k, 10k & Half Marathon
Date: May 16, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Wildwood, Missouri
ROCKIN' RIVERFEST 5k, 10k & Half
Date: Jul 4, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Saint Charles, Missouri
Heatwave Half Marathon - St. Louis
Date: Aug 1, 2026 - Saturday
Size: 100 - 500 participants
Location: St. Louis, Missouri
Swifty Fun Run
Date: Aug 8, 2026 - Saturday
Size: 100 - 500 participants
Location: St. Louis, Missouri
Corps of Discovery Half Marathon, 8 Mile & 5 Mile
Date: Aug 29, 2026 - Saturday
Size: 100 - 500 participants
Location: Saint Charles, Missouri
The Labor Day Slay
Date: Aug 29, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: St. Louis, Missouri
Lap The Lake Race Series
Date: Sep, 2026 (TBD)
Size: 100 - 500 participants
Location: Lake Saint Louis, Missouri
Lap the Lake
Date: Sep, 2026 (TBD)
Size: 100 - 500 participants
Location: Lake Saint Louis, Missouri
Belleville Main Street Marathon and Half Marathon
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Saint Clair County, Illinois
Golden Harvest Half Marathon, 5k & 10k - St. Louis
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: St. Louis, Missouri
City of Roses Half Marathon
Date: Sep, 2026 (TBD)
Size: 100 - 500 participants
Location: Cape Girardeau, Missouri
The Great GO! Halloween Race
Date: Oct 24-25, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Eureka, Missouri
Innsbrook Half-Marathon and 10k
Date: Oct, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Innsbrook, Missouri
Spooky Sprint - St. Louis
Date: Oct, 2026 (TBD)
Size: 100 - 500 participants
Location: Maryland Heights, Missouri
The Skippo Trail Race
Date: Nov, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Ballwin, Missouri
Whiskey Run - St. Louis/St. Charles
Date: Nov, 2026 (TBD)
Size: 100 - 500 participants
Location: Saint Charles, Missouri
Springfield Marathon
Date: Nov 7, 2026 - Saturday
Size: 1 - 100 participants
Location: New Berlin, Illinois
MO Cowbell Marathon
Date: Nov 8, 2026 - Sunday
Size: 5,000 - 10,000 participants
Location: Saint Charles, Missouri
St. Louis Half Marathon & 5k
Date: Nov 8, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: St. Louis, Missouri
Go Girl Run - St. Louis, MO
Date: Nov 20, 2026 - Friday
Size: 1,000 - 5,000 participants
Location: Eureka, Missouri
St. Louis Turkey Trot 8k
Date: Nov 26, 2026 - Thursday
Size: 1,000 - 5,000 participants
Location: St. Louis, Missouri
St. Louis Track Club (SLTC) Frostbite Half Marathon & 4 Mile
Date: Jan, 2027 (TBD)
Size: 500 - 1,000 participants
Location: St. Louis, Missouri
Time Travel Half Marathon 10K/5K - St. Louis
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Maryland Heights, Missouri
The Stick Season Trail Series - Half Marathon
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Wildwood, Missouri
The Frozen Stick 5 Mile & Half Marathon
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Wildwood, Missouri
Running From Yeti - St. Louis, MO
Date: Feb 14, 2027 - Sunday
Size: 1,000 - 5,000 participants
Location: St. Louis, Missouri
Time to Paddy 5K/10K & Lucky 13.1 - St. Louis
Date: Mar, 2027 (TBD)
Size: 100 - 500 participants
Location: Saint Peters, Missouri
