Ultra marathons in Illinois, United States
41 races
Yellowbrick Backyard Ultra
Jun 7, 2025 (Sat)
Peoria, Illinois, United States
$103.43
Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run
Jun 28, 2025 (Sat)
Hudson, Illinois, United States
Cry Me a River 100 Miler
Jul 11-12, 2025 (Fri-Sat)
Peoria, Illinois, United States
Cry Me a River!
Jul 11, 2025 (Fri)
Chillicothe, Illinois, United States
1.5 - 2.7
Kennekuk Road Runners - Dogs and Cats
Jul 12, 2025 (Sat)
Oakwood, Illinois, United States
Road Warrior 50K
Jul 12, 2025 (Sat)
Carol Stream, Illinois, United States
1.4
$30
Pinetum Mind Games Endurance Event
Jul 18, 2025 (Fri)
Dixon, Illinois, United States
$50.31 - $147.27
Quail Ridge Farm Backyard Ultra
Jul 19, 2025 (Sat)
Albion, Illinois, United States
$0
Howl at the Moon 8 Hour
Aug 9, 2025 (Sat)
Danville, Illinois, United States
Kennekuk Road Runners - Howl at the Moon 8/4 Hour Ultra
Aug 9, 2025 (Sat)
Danville, Illinois, United States
Watershed Endurance 6Hr/3Hr Run
Aug 9, 2025 (Sat)
Edwardsville, Illinois, United States
Shawnee Hills 100
Aug 23, 2025 (Sat)
Ozark, Illinois, United States
1.3 - 2.7
$189.87 - $328.32
Temptation 200 Ultras
Aug 30, 2025 (Sat)
Forest City, Illinois, United States
1.2 - 3.1
$110 - $323
Rock Cut Hobo Trail Runs
Sep 12-14, 2025 (Fri-Sun)
Rockford, Illinois, United States
Timely Nonsense
Sep 14, 2025 (Sun)
Chicago, Illinois, United States
$60.93 - $216.5
Half Day at the Lake
Sep 20, 2025 (Sat)
Evanston, Illinois, United States
$60 - $70
Limestone Rocks!
Sep 20, 2025 (Sat)
Kankakee, Illinois, United States
Hindsight Ultra Trail Runs
Sep 27, 2025 (Sat)
Dixon, Illinois, United States
1.4 - 2.7
$65 - $130
The Hennepin Hundred
Oct 4, 2025 (Sat)
Sterling, Illinois, United States
1.1 - 2.3
$168.57 - $594.57
Des Plaines River Trail Races
Oct 11, 2025 (Sat)
Vernon Hills, Illinois, United States
1.1 - 1.5
$205.85 - $227.15
Arrowhead Endurance Run
Oct 11, 2025 (Sat)
Johnston City, Illinois, United States
$110 - $291.05
DPR Trail Races
Oct 11, 2025 (Sat)
Lake County, Illinois, United States
Farmdale Trail Run
Oct 11, 2025 (Sat)
East Peoria, Illinois, United States
1.8 - 2.6
$163.25 - $275.07
Shake Your Trail Feather Trail Run
Oct 18, 2025 (Sat)
Charleston, Illinois, United States
1.5
$92.81
Fancy Nonsense 25K/50K
Oct 25, 2025 (Sat)
Willow Springs, Illinois, United States
1.3
$87.5
Showing 1 - 25 of 41 events