Race Calendar in Illinois, United States

May

02

RIVER TO RIVER MARATHON

Rockport, Illinois, United States

Running

41K

May

02

Tour de Stooges

Lebanon, Illinois, United States

Cycling

24.1K 48.3K Ultra

May

02

Mattea's Joy SuperHero 5K

Bradley, Illinois, United States

Running Walking

5K 3.2K +1

May

02

2nd Annual Red Wolves on the Run 5K

Lansing, Illinois, United States

Running

5K

May

02

Steck Elementary School Fun Run

Aurora, Illinois, United States

Running

1.6K

May

02

Outlast Chicago

Palatine, Illinois, United States

$100.00

Trail running

29K

May

02

The Universal Sole Spring Trail Challenge

Willow Springs, Illinois, United States

Trail running

5K 8.7K

May

02

Kirby Derby

Monticello, Illinois, United States

Running

10K 5K

May

02

Rock River Madness 2026: Dixon, Illinois

Dixon, Illinois, United States

Cycling

Ultra 16K Half-Marathon 16.1K +5

May

02

The Michael J. Fox Foundation's Chicago Run/Walk

Chicago, Illinois, United States

Running

1.6K 5K

May

02

Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

Running

5K 10K Half-Marathon 1.6K +2

May

02

EmpoweRun / Walk 5K

Libertyville, Illinois, United States

Running

5K