Ultramarathons in Illinois

Showing 1 - 13 of 13 events
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  • NOV2

    Ozark Trail 100 Mile Endurance Run

    Steelville, MO, United States
    • Running
    • Ultramarathon
  • OCT5

    Hennepin Hundred

    Sterling, IL, United States
    • Running
    • Ultramarathon
  • OCT12

    Des Plaines River Trail Races

    Libertyville, IL, United States

    Welcome to year 10 of the DPR Trail Half-Marathon, Marathon and 50 Mile Ultra Marathon along the beautiful and fast Des Plaines River Trail in Lake County,...

    $110
    • Running
    • Half Marathon
    • Ultramarathon
  • SEP28

    Oak Point Trail Run

    Golconda, IL, United States
    • Running
    • 5k
    • Ultramarathon
    • 10k
  • DEC14

    Arctic Frog Endurance Run

    Libertyville, IL, United States

    Arctic Frog Endurance Run is a beginners Ultra marathon. This scenic course features a trilogy of pavement, wooded and crushed limestone trails that runs...

    $65 - $75
    • Running
    • Ultramarathon
  • JAN11

    Frozen Gnome

    Crystal Lake, IL, United States
    • Running
    • 10k
    • Ultramarathon
  • MAR7

    Creve Coeur St. Paddy’s Half Marathon & 7K Run/Walk

    St. Louis, MO, United States

    Creve Coeur St. Paddy's Half Marathon & 7K...

    $39.99 - $74.99
    • Running
    • Ultramarathon
    • Half Marathon
  • MAR14

    Deer Park St. Paddy's 5K/10K

    Deer Park, IL, United States
    Free
    • Running
    • Ultramarathon
    • 10k
    • 5k
  • APR18

    Earth Day 50K

    Crystal Lake, IL, United States
    • Running
    • Ultramarathon
  • MAY10

    Barrington Mother’s Day 5K Run/Walk

    Barrington, IL, United States
    • Running
    • Ultramarathon
    • 5k
  • MAR14

    Land Between The Lakes Trail Runs

    Grand Rivers, KY, United States
    • Running
    • Ultramarathon
  • OCT12

    Farmdale Trail Run

    East Peoria, IL, United States
    • Running
    • Ultramarathon
    • 10 Miles
  • JUN21

    Fathers Day Breakfast 10 K 5 K

    Cary, IL, United States
    • Running
    • 10k
    • 5k
    • Ultramarathon
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