Marathons in Illinois 2026 | Upcoming Races & Dates

There are 6 marathons in Illinois scheduled for 2026. The next is the Warrior Crucible in Loves Park on September 4. Illinois marathons run primarily September through May.

Warrior Crucible

Fri, Sep 4 · Loves Park, IL Loves Park

Warrior 5KWarrior RuckWarrior Crucible +1

From $40 Open Closing Soon

Belleville Main Street Marathon & Half Marathon

Sat, Sep 26 · Belleville, IL Belleville

Belleville Main Street Half MarathonBelleville Main Street Marathon

From $45 Open

14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K

Sat, Nov 7 · New Berlin, IL New Berlin

10KHalf MarathonMarathon +1

From $0 Open 70 spots left

Santa Hustle Virtual

Tue, Dec 1 · N/A, IL N/A

Kids Dash5K10K +2

From $35 Open

Rend Lake Marathon

Sat, Mar 27 · Benton, IL Benton

1/4 Marathon1/4 Marathon1/2 Marathon +3

From $50 Open 60 spots left

Chicagoland Spring Marathon, Half Marathon & 10K

Sun, May 2 · Schaumburg, IL Schaumburg

10K - Extended Online RegistrationVirtual Run - 10K10K +15

From $39.99 Open

Marathons in Illinois — 2026