Illinois

Illinois Running Calendar 2026-2027

Monthly updates for Illinois

Get new running races (and updates) in your inbox every month.

Explore the best running races in Illinois for 2026-2027! Our updated list features 658 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons Walking Events

September 2026

Solidarity Sidekick down Route 66 - Wilmington

Wilmington, Illinois

Road Race Walk 7 km

Solidarity Sidekick down Route 66 - Wilmington

Untimed 6.6K at the Gemini Giant in Wilmington celebrating Route 66 with series medals, town charms, optional shirts, and ALS awareness.

Solidarity Sidekick down Route 66 - Wilmington

Untimed 6.6K at the Gemini Giant in Wilmington celebrating Route 66 with series medals, town charms, optional shirts, and ALS awareness.

Solidarity Sidekick down Route 66 - Gardner

Gardner, Illinois

7 km

Solidarity Sidekick down Route 66 - Gardner

A daytime 6.6K in Gardner, Illinois on Route 66 supporting ALS awareness, with a series medal, a Route 66 charm for this stop, and optional event shirts.

Solidarity Sidekick down Route 66 - Gardner

A daytime 6.6K in Gardner, Illinois on Route 66 supporting ALS awareness, with a series medal, a Route 66 charm for this stop, and optional event shirts.

Solidarity Sidekick down Route 66 - Dwight

Dwight, Illinois

7 km

Solidarity Sidekick down Route 66 - Dwight

A daytime 6.6K in Dwight along Route 66 by Ambler’s Texaco Station, part of the Solidarity Sidekick series supporting ALS awareness with a series medal and charms.

Solidarity Sidekick down Route 66 - Dwight

A daytime 6.6K in Dwight along Route 66 by Ambler’s Texaco Station, part of the Solidarity Sidekick series supporting ALS awareness with a series medal and charms.

Solidarity Sidekick down Route 66 - Pontiac

Pontiac, Illinois

Road Race Walk 2 mi 7 km

Solidarity Sidekick down Route 66 - Pontiac

Stop 7 of the Solidarity Sidekick Down Route 66 Series is a 6.6K run/walk in Pontiac that raises funds and awareness for ALS. Participants join a shared 2.1 mile Sidekick segment and receive a series medal charm for Pontiac.

Solidarity Sidekick down Route 66 - Pontiac

Stop 7 of the Solidarity Sidekick Down Route 66 Series is a 6.6K run/walk in Pontiac that raises funds and awareness for ALS. Participants join a shared 2.1 mile Sidekick segment and receive a series medal charm for Pontiac.

The Ultimate Suck

Obstacle Run 10 mi 25 mi 50 mi

Solidarity Sidekick down Route 66 - Lexington

Lexington, Illinois

Road Race Walk 2 mi 7 km

Solidarity Sidekick down Route 66 - Lexington

A 6.6K Route 66 run in Lexington supporting ALS awareness with a shared 2.1 mile Sidekick segment and a collectible series medal charm.

Solidarity Sidekick down Route 66 - Lexington

A 6.6K Route 66 run in Lexington supporting ALS awareness with a shared 2.1 mile Sidekick segment and a collectible series medal charm.

Gristmill Grind 10K

Franklin Grove, Illinois

Trail Run Walk 5 km 10 km

Naperville Trails Half Marathon & 10K

Naperville, Illinois

Trail Run Walk 10 km 13 mi

Eckert's Spiked Apple 5k

Swansea, Illinois

Road Race Walk 5 km

Warrior Foundation 5K

Loves Park, Illinois

5 km 10 mi 20 mi 30 mi

Colchester Duane Beck 5K

Colchester, Illinois

Road Race Walk 5 km

Charger 10 Mile

Milan, Illinois

6 km 10 mi

Sweetcorn 5K Classic

Hoopeston, Illinois

Road Race Walk 5 km

Pecatonica Labor Day 5K

Pecatonica, Illinois

5 km

There Is a Will, There Is a Way 5K

Downers Grove, Illinois

Road Race Walk 5 km

Appletime

Murphysboro, Illinois

Road Race Walk 5 km

Levee Trail Trek 5K

Springfield Township, Illinois

Trail Run 5 km

Hogday Stampede

Kewanee, Illinois

Road Race Walk 4 mi

Always in Our Hearts 5K

Douglas, Illinois

Road Race Walk 5 km

KZ5K

Casey, Illinois

Road Race Walk 5 km