1 aidHalf Marathons in Illinois
As of October 6, 2026, Crewable lists 20 upcoming half marathons in Illinois from October 2026 to August 2027. The next is Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON on October 10 in Chicago. Registration is open for 12.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
1 aid
in 4 days
Sauk Valley Apple Cider Run
Rock Falls, IL353 ft gain
Half Marathon5K
Open until Oct 10from $40
6 aid
1 aidRace calendar
October 2026
13 racesChicago Fall Classic Half Marathon, 10K & 5K
Chicago, ILHalf Marathon10K+1Open until Oct 18from $49.99Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, ILHalf Marathon10K+2Open until Oct 31from $30
November 2026
4 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
April 2027
1 raceJuly 2027
1 raceAugust 2027
1 raceQuick answers
What is the next half marathon 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 half marathons in Illinois have open registration?
12 of the 20 list registration as open as of October 6, 2026, including Sauk Valley Apple Cider Run, Chicago Fall Classic Half Marathon, 10K & 5K and Haunted Halloween Half Marathon & 5km.
What is the busiest month for half marathons in Illinois?
October 2026, with 13 of the 20. November 2026 follows with 4.
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