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 660 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

Sep

Warren County Prime Beef Festival

Monmouth, Illinois

Road Race Walk 5 km

Sep

Kroc Center Bubble Fun 5K - Quincy

Quincy, Illinois

Road Race Walk 5 km

Sep

Turbo Trot - Geneva

Geneva, Illinois

Trail Run 3 mi

Sep

Cornell Days 5k

Cornell, Illinois

Road Race Walk 5 km

Sep

Surviving the Color - Effingham

Effingham, Illinois

5 km

Sep

Marigold Mile

Pekin, Illinois

Sep

Bell School's Back to School Dash to the Bash

Diversey Harbor, Illinois

3 km

Sep

Polka Pace Race

Havana, Illinois

3 mi

Sep

Strides for Justice

Peoria Heights, Illinois

Road Race Walk 5 km

Sep

Fit Forward 5K Run/Walk - Des Plaines

Des Plaines, Illinois

Road Race Walk 2 mi 5 km

Sep

Cache River Days

Ullin, Illinois

5 km

Sep

Chicago Trail Running Festival

Beecher, Illinois

Trail Run Walk 5 km 10 km ... 30 km 50 km

Sep

Rocky Ledges 10K Trail Run

Makanda, Illinois

Trail Run Walk 5 km 10 km

Sep

Lena Fall Festival

Lena, Illinois

Road Race Walk 5 km

Sep

The Last Meadow

Dixon, Illinois

Backyard Ultra 4 mi

Sep

Albion Artisan Brick Run

Albion, Illinois

3 mi 6 mi

Sep

ISWAI Community 5K Run/Walk

Cook County, Illinois

5 km

Sep

Get Your Kicks 5K

Carlinville, Illinois

Road Race Walk 5 km

Sep

Steps for Life 5K Run/2M Walk

Highland, Illinois

Road Race Walk 5 km

Sep

Solidarity Sidekick Down Route 66 - Waggoner

Raymond, Illinois

Road Race Walk 2 mi 7 km

Solidarity Sidekick Down Route 66 - Waggoner

A 6.6K run along rural Route 66 to the Our Lady of the Highway Shrine in Raymond, Illinois, featuring a shared 2.1 mile Sidekick segment and supporting ALS awareness in a quiet, reflective setting.