Running Races in Illinois 2026 | Find & Register

There are 384 running races in Illinois in 2026 across 210 cities. The next upcoming race is the SAO HYROX Full SIM in Oswego on October 11. Popular distances include 5K races, half marathons, ultras.

Will County Brew Run 5k

Sat, Aug 28 · Shorewood, IL Shorewood

Road 5k5kSpectator

From $10 Open

The Ultimate SUCK

Fri, Sep 3 · Cuba, IL Cuba

OCR The GUT CHECK (mini-SUCK, 4hr)The GUT CHECK (mini-SUCK, 4hr)The SUCK (12hr) +3

From $109 Open

Eckert's Spiked Apple 5k

Sat, Sep 4 · Belleville, IL Belleville

Road 5K Run/Walk5K Run/WalkVolunteer and Run 7:00am to 8:30am +3

From $0 Open 4 spots left

MIDWEST OCR

Sat, Sep 18 · Marseilles, IL Marseilles

OCR 9:45am - 3+ Mile Fun Run9:45am - 3+ Mile RUCK10:45am - 3+ Mile Fun Run +35

From $25 Open 20 spots left

Morton Pumpkin Classic

Sat, Sep 18 · Morton, IL Morton

Road Pumpkin Classic 2 Mile Walk (Untimed)Pumpkin Classic 2 Mile Walk (Untimed)Pumpkin Classic 10K +1

From $30 Open

Golden Harvest Half Marathon & 5K/10K - Greater Chicago

Sat, Sep 18 · Greater Chicago, IL Greater Chicago

Virtual 1 Mile1 Mile5K +14

From $17 Open 5 spots left

Lawndale 5K

Sat, Sep 25 · Chicago, IL Chicago

Virtual 5K run/walk5K run/walkVirtual Run +7

From $0 Open

Centerstone's 5th Annual Life;Story 5K Run/Walk for Suicide Prevention - Illinois

Sat, Sep 25 · Marion, IL Marion

Virtual Virtual 5K5K Untimed Run/Walk - Godfrey Location5K Run/Walk - Marion, IL +1

From $20 Open 25 spots left

Last Chance Tri

Sat, Oct 2 · Mattoon, IL Mattoon

Triathlon IndividualIndividualTeam +1

From $50 Open

2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation System

Sun, Oct 10 · Chicago, IL Chicago

Road Chicago Marathon Charity Entry (Participant pays for entry) - $2620 MinimumI Already Have An Entry / Ya estoy inscrito en el MaratonFree Chicago Marathon Charity Entry (ACS Pays for entry) - $5000 Minimum +6

From $25 Open 50 spots left

Running Races in Illinois — 2026

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