50 Miles Ultra Running Events in Illinois

Upcoming Events

Date Event City Distances
07/17/26 CMAR Trail Races Chillicothe 50 KM , 50 Miles , 100 Miles
08/15/26 40/50 Mile Challenge, Busse Woods, IL Elk Grove Village 40 Miles , 50 Miles
08/29/26 40/50 Mile Challenge, Half Day Forest Preserve IL Vernon Hills 40 Miles , 50 Miles
10/03/26 The Hennepin Hundred Sterling 50 KM , 50 Miles , 50 Miles , 100 Miles
10/10/26 Farmdale Trail Run East Peoria 30 Miles , 50 Miles , 100 Miles
10/10/26 Des Plaines River Trail Races Vernon Hills 50 KM , 50 Miles
11/14/26 Tunnel Hill 100 Vienna 50 Miles , 50 Miles , 100 KM , 100 Miles
11/14/26 McNotagain Fall Trail Runs Pekin 30 Miles , 50 Miles
04/24/27 Childish Nonsense Palatine 50 KM , 50 Miles

Past Events

Date Event City Distances
04/18/26 Loud Thunder 50 Illinois City 50 KM , 50 Miles
04/11/26 Potawatomi Pekin 30 Miles , 50 Miles , 100 Miles , 150 Miles , 200 Miles
11/01/25 Chicago Lakefront: Fall Version Chicago 50 KM , 50 Miles
10/23/21 Outer Belt Ultras Chicago 50 KM , 50 Miles , 100 KM , 100 Miles , 210 Miles
04/14/12 McNaughton Park Pekin 30 Miles , 50 KM , 50 Miles , 100 Miles , 150 Miles
01/14/12 Frosty Fifty Crystal Lake 50 KM , 50 Miles
10/12/86 AMJA 100 Km Ultramarathon Chicago 50 Miles , 100 KM

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

High Noon Showdown
Enoree, SC - 17 finishers
12 Hours | 6 Hours | 6 Hours
Chesterfield Gorge Ultra
West Chesterfield, MA - 120 finishers
100 Miles | 100 KM | 50 Miles | 50 KM
Cinderella Trail - Spring
Oakland, CA - 28 finishers
50 KM
The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
The Sticks
Norton, KS - 72 finishers
72 Hours | 48 Hours | 24 Hours | 12 Hours | 6 Hours
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
Pacifico Ultra
Palmdale, CA - 117 finishers
50 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
Blackfoot Ultra
Edmonton, AB - 124 finishers
100 KM | 50 Miles | 50 KM
View All Results