10K Races in Illinois
As of October 6, 2026, Crewable lists 21 upcoming 10K races in Illinois from October 2026 to January 2027. The next is Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON on October 10 in Chicago. Registration is open for 16.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
15 racesChicago Fall Classic Half Marathon, 10K & 5K
Chicago, ILHalf Marathon10K+1Open until Oct 18from $49.99Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run
Spring Grove, IL10K5K+1Open until Oct 18from $12.99Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, ILHalf Marathon10K+2Open until Oct 31from $30
November 2026
5 races14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K
New Berlin, ILMarathonHalf Marathon+1Open until Nov 8from $55Veterans Day Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, ILHalf Marathon10K+2Open until Nov 14from $30
January 2027
1 raceQuick answers
What is the next 10K race in Illinois?
Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON, on Saturday, October 10, 2026, in Chicago. Distances: Half Marathon, 10K, 5K.
How many 10K races in Illinois have open registration?
16 of the 21 list registration as open as of October 6, 2026, including Sarcoma Stomp: Run for Research 5K/10K, Chicago Fall Classic Half Marathon, 10K & 5K and JMH 5K/10K.
What is the busiest month for 10K races in Illinois?
October 2026, with 15 of the 21. November 2026 follows with 5.
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