Race calendar

Ultra Races in Illinois

21 upcoming Ultra races across Illinois. Run This events are listed first — pick a city below to narrow it down.

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21 races

Fri, Aug 7, 2026

The Next Loop Endurance Series | Deer Grove East

Palatine, IL

Outside31.1 mi

Sat, Aug 8, 2026

Tour De Cure: Chicagoland

St. Charles, IL

Outside68.0 mi30.0 mi10.0 mi

Fri, Aug 21, 2026

Shawnee Hills Trail Races

Ozark, IL

Outside100.0 mi62.1 mi31.1 miMarathon

Fri, Aug 21, 2026

Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Hudson, IL

Outside51.0 mi25.5 mi12.7 mi4.3 mi

Fri, Aug 21, 2026

KMC Sage City Classic

Monticello, IL

Outside63.0 mi33.0 mi

Fri, Aug 28, 2026

Mud Sweat and Gears MTB Race

Hudson, IL

Outside7.0 mi15.0 mi31.0 mi1 mile

Fri, Aug 28, 2026

The Next Loop 40M/50M Challenge | Half Day Forest Preserve

Vernon Hills, IL

Outside50.0 mi

Sat, Aug 29, 2026

Hope Echoes on the River Charity Bike Ride

Geneva, IL

Outside10.0 mi35.0 mi60.0 mi

Thu, Sep 3, 2026

Warrior Crucible

Loves Park, IL

Outside30.0 mi5K

Thu, Sep 3, 2026

The Ultimate SUCK

Cuba, IL

Outside50.0 mi25.0 mi10.0 mi

Thu, Sep 10, 2026

Hobo Trail Runs 10k-25k-50k

Rockford, IL

Outside52.8 mi37.3 mi10K15.5 mi

Fri, Sep 11, 2026

HMFA’s Tour de Heartland Fundraiser

Greenview, IL

Outside12.0 mi17.0 mi45.0 mi

Fri, Sep 11, 2026

CHICAGO TRAIL RUNNING FESTIVAL

Beecher, IL

Outside3.0 mi6.0 mi12.0 mi18.0 mi

Fri, Sep 18, 2026

Capital City Century

Sherman, IL

Outside100.0 mi66.0 mi40.0 mi20.0 mi

Sat, Sep 19, 2026

Richmond Rampage

Richmond, IL

Outside50.0 mi31.0 mi

Fri, Oct 2, 2026

Sweet Ride | Bike • Run • Walk

Willow Springs, IL

Outside5K24.9 mi40.4 mi

Fri, Oct 2, 2026

Site M: Redacted

Chandlerville, IL

Outside50.0 mi30.0 mi

Sat, Oct 31, 2026

Valor 111 challenge

Rock Falls, IL

Outside111.0 mi

Fri, Nov 13, 2026

The Forge Trail Run Festival

Lemont, IL

Outside10KMarathon18.6 mi37.2 mi

Thu, Apr 29, 2027

Duy's Test Race! (there is no finish line run forever)

Chicago, IL

Outside100.0 mi

Fri, May 14, 2027

White Squirrel Roubaix

Olney, IL

Outside62.0 mi31.0 mi12.4 mi