Races Near St. Louis, MO
As of October 6, 2026, Crewable lists 50 upcoming races near St. Louis, MO from October 2026 to June 2027. The next is Tuesday Brewsday on October 6 in O Fallon, MO. Registration is open for 33. One advertises prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
10 aid
1 aid
2 aidRace calendar
October 2026
33 racesBackyard Ultra in New Town (Oct 10 8:00AM)
Saint Charles, MOBackyard Ultra2.6 miPrize moneyOpen until Oct 11from $25McKendree University Homecoming & Family Weekend "Rise and Shine" 5K Walk/Run & Kids' Dash
Lebanon, IL5KClosedFamilies Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk
Saint Louis, MO5K1 miOpen until Oct 12from $20
November 2026
6 races14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K
New Berlin, ILMarathonHalf Marathon+1Open until Nov 8from $55MO' Cowbell Marathon/Half-Marathon/10K/5K
Saint Charles, MOMarathonHalf Marathon+2Open until Nov 8from $35
December 2026
1 raceJanuary 2027
3 racesFebruary 2027
1 raceMarch 2027
2 racesApril 2027
3 racesJune 2027
1 raceQuick answers
What is the next race near St. Louis, MO?
Tuesday Brewsday, on Tuesday, October 6, 2026, in O Fallon, MO. Distances: 5K, 1 mi.
What is the closest race to St. Louis?
Families Run for Ovarian Cancer ROC Star 5k & 1-Mile Run/Walk in Saint Louis, MO, about 1 mile from St. Louis, on October 11, 2026.
How many races near St. Louis, MO have open registration?
33 of the 50 list registration as open as of October 6, 2026, including St. Mary's Oktoberfest 5k & 1 Mile Fun Run, Backyard Ultra in New Town (Oct 10 8:00AM) and Chili Chase 5K Run and Kids Pepper Dash.
Which races near St. Louis, MO offer prize money?
One race advertises prize money.
How many of the races near St. Louis, MO are ultramarathons?
15 of the 50 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 35 are shorter races.
What is the busiest month for races near St. Louis, MO?
October 2026, with 33 of the 50. November 2026 follows with 6.
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