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Illinois Running Calendar 2026-2027

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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
August 2026
Aug
29
Sa

The Next Loop - Half Day Forest Preserve

Trail Run 5 km 10 km ... Marathon 50 km
Aug
29
Sa

Red Bud Musketeer Boosters Stars, Stripes and Strides

5 km
Aug
29
Sa

Old Settlers 5k Run

5 km
Aug
29
Sa

Nauvoo Grape Stomp

Road Race Walk 5 km
Aug
29
Sa

5K Fight Obesity, Walk with Me

Road Race Walk 5 km
Aug
29
Sa

Watseka Family Festival 5K

5 km
Aug
29
Sa

Colors for CASA of Southern Illinois

Road Race Walk 2 mi
Aug
29
Sa

VPM Purses in Paradise

Road Race Walk 5 km
Aug
29
Sa

Strides for UNICEF - Buffalo Grove

Road Race Walk 5 km
Aug
29
Sa

The Designated Runner NA Beer Mile

Aug
30
Su

Solidarity Sidekick down Route 66 - McCook

7 km
Solidarity Sidekick down Route 66 - McCook Stop 2 McCook is a 6.6K run on 08/30/2026 in the Solidarity Sidekick Route 66 series supporting ALS awareness with a series medal and charm.
Aug
30
Su

Lake Effect Brewing Company Run

Road Race Walk 5 km
Aug
30
Su

Summer Sizzler - Greater Chicago

5 km 10 km 15 km
Aug
30
Su

Big Horse Vineyards 5K

Trail Run 5 km
Aug
30
Su

Rise & Run for Recovery

5 km
Aug
30
Su

Bartlett Lions Dash

Road Race Walk 5 km 10 km
Aug
30
Su

Cross Country Challenge 6k - Evanston

Trail Run 2 mi 6 km
Aug
30
Su

Run from Prostate Cancer 5K Walk/Run (Tour de 63rd Street)

Road Race Walk 5 km
Aug
31
Mo

Solidarity Sidekick down Route 66 - Joliet

Road Race Walk 7 km
Solidarity Sidekick down Route 66 - Joliet A 6.6K run on August 31, 2026 in Joliet along historic Route 66, meeting at the Old Joliet Prison. The event includes a series medal and Joliet Route 66 charm, plus a cool down with refreshments supporting ALS awareness.
September 2026
Sep
1
Tu

Spirits Run for ALS - Wilmington

Road Race Walk 7 km
Spirits Run for ALS - Wilmington A noncompetitive community 6.6K in Wilmington on September 1, 2026, part of a multi-stop Spirits Run for ALS series. The route passes the Gemini Giant, uses sidewalks and marked crosswalks, and supports ALS awareness and fundraising.
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