2017 - 2018 Illinois Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in Illinois among 24 races.

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24 races

Clinton Lake Ultra

March 25, 2017 Race day in about 1 month
USA / East North Central / Illinois / Dewitt
Ultramarathon - 30 miles

Chicago Lakefront 50K George Cheung Memorial Race

April 08, 2017 Race day in about 2 months
USA / East North Central / Illinois / Chicago
Ultramarathon - 50 kilometers

Earth Day 50K / 15 Mile Trail Race

Earth Day 50K Trail Race
April 18, 2015 The race has already taken place.
USA / East North Central / Illinois / Crystal Lake
Ultramarathon - 50 kilometers
Trail Relay

Potawatomi Trail Runs

Potawatomi 150 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 150 miles
Hilly Trail

Potawatomi Trail Runs

Potawatomi 100 Mile Trail Run
April 09, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 100 miles
Hilly Trail

Potawatomi Trail Runs

Potawatomi 30 Mile Trail Fun Run
April 09, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 30 miles
Hilly Trail Night

Potawatomi Trail Runs

Potawatomi 50 Mile Trail Run
April 09, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 50 miles
Hilly Trail

Calumet Region Trail Relay

July 17, 2016 The race has already taken place.
USA / East North Central / Illinois / Chicago Heights
Ultramarathon - 40 miles
Trail

Evergreen Lake Ultras

Evergreen Lake Ultra and a Half
September 10, 2016 The race has already taken place.
USA / East North Central / Illinois / Hudson
Ultramarathon - 51 miles
Trail Fast

Evergreen Lake Ultras

Evergreen Lake Ultras
September 10, 2016 The race has already taken place.
USA / East North Central / Illinois / Hudson
Ultramarathon - 34 miles
Trail Fast

Rock Cut Hobo Trail Runs

50K
September 11, 2016 The race has already taken place.
USA / East North Central / Illinois / Rockford
Ultramarathon - 50 kilometers
Trail

The Hennepin Hundred

100M
October 01, 2016 The race has already taken place.
USA / East North Central / Illinois / Sterling
Ultramarathon - 100 miles

The Hennepin Hundred

100M Relay
October 01, 2016 The race has already taken place.
USA / East North Central / Illinois / Sterling
Ultramarathon - 100 miles
Relay

The Hennepin Hundred

50M
October 01, 2016 The race has already taken place.
USA / East North Central / Illinois / Sterling
Ultramarathon - 50 miles

Farmdale Trail Runs

Farmdale 33 Mile Trail Runs
October 08, 2016 The race has already taken place.
USA / East North Central / Illinois / East Peoria
Ultramarathon - 33 miles
Trail