Half Marathons in Illinois 2026 | Upcoming Races & Dates

There are 6 half marathons in Illinois scheduled for 2026. The next is the WARRIOR RUCK in Frankfort on May 30. Illinois half marathons run primarily May through February.

Chain of Rocks Bridge Duathlon

Sun, May 3 · Granite City, IL Granite City

Duathlon RelayIndividual Duathlon

From $55 Open Closing Soon

WARRIOR RUCK

Sat, May 30 · Frankfort, IL Frankfort

WARRIOR RUCKAFTER PARTY ONLY

From $25 Open

The Prairie Triathlon at NorthPointe

Sat, Jun 13 · Roscoe, IL Roscoe

Team RelayNorthPointe Prairie Triathlon

From $45 Open

Fly with the Eagles Half Marathon-SUMMER EDITION!

Fri, Jul 17 · Southern, IL Southern

Virtual Half Marathon

From $25 Closed 100 spots left

Belleville Main Street Marathon & Half Marathon

Sat, Sep 26 · Belleville, IL Belleville

Belleville Main Street Half MarathonBelleville Main Street Marathon

From $45 Open

Fly with the Eagles Half Marathon

Sat, Feb 13 · Murphysboro, IL Murphysboro

1/2 MarathonVirtual Half MarathonHoodie Only (Must Pickup at packet Pickup)

From $25 Closed 25 spots left

Half Marathons in Illinois — 2026