Ultra races in Illinois, United States — 2026 running calendar

30 Miles in 30 Days Challenge: Step Into a Stronger You

Rock Island, Illinois, United States

01 Jul, 2026 (Wed) – 30 Jul, 2026

Free

Running

48.3K

Stars and Stripes - America's 250th Anniversary Challenge

Lake Zurich, Illinois, United States

04 Jul, 2026 (Sat) – 12 Jul, 2026

Free

Running

5K 10K Half-Marathon 4K +2

Warrior Crucible

Loves Park, Illinois, United States

04 Sep, 2026 (Fri) – 05 Sep, 2026

$40.00

Running

48.3K 5K

Sweet Ride | Bike • Run • Walk

Willow Springs, Illinois, United States

03 Oct, 2026 (Sat)

$30.00 - $50.00

Running, Cycling

5K 40K Ultra

St. Charles Turkey Trot 5K

St. Charles, Illinois, United States

26 Nov, 2026 (Thu)

Free - $45.99

Running

5K Ultra +2

Long Grove Turkey Trot 5K & 8K

Long Grove, Illinois, United States

26 Nov, 2026 (Thu)

Free - $59.99

Running

5K 8K Ultra +6

Schaumburg Turkey Trot Half Marathon & 5K

Elk Grove Village, Illinois, United States

28 Nov, 2026 (Sat)

Free - $119.99

Running

5K Half-Marathon Ultra +6

2026 10th Annual Gold Star 500

Springfield, Illinois, United States

30 May, 2026 (Sat) – 26 Sep, 2026

Free - $500.00

Running, Cycling

Ultra +7

Capital City Biathlon & 5K

New Berlin, Illinois, United States

23 May, 2026 (Sat)

Running

13.7K 29.1K 42.8K 5K +1

Army Heritage Month: Ruck For All Generations

Rock Island, Illinois, United States

18 May, 2026 (Mon) – 28 Jun, 2026

Running

Ultra

1000 Mile Challenge - 2026 Midwest

Edwardsville, Illinois, United States

01 Jan, 2026 (Thu) – 31 Dec, 2026

Running

Ultra

Trail Running University

Crystal Lake, Illinois, United States

01 Jan, 2026 (Thu) – 01 May, 2026

Running

Ultra +1