Marathons in Illinois 2026 | Upcoming Races & Dates

There are 7 marathons in Illinois scheduled for 2026. The next is the Miles for Marybeth 2026 in Elgin on August 8. Illinois marathons run primarily August through May.

Miles for Marybeth 2026

Sat, Aug 8 · Elgin, IL Elgin

38 Mile Bike Ride - IllinoisBike Ride - Lock Haven, PennsylvaniaYour Virtual Activity for Miles for Marybeth 2026 +1

From $25 Open

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 Closing Soon

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

Virtual Run - 10K10K - Extended Online Registration10K +15

From $39.99 Open

Marathons in Illinois — 2026