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50 Mile Races in Illinois

As of October 6, 2026, Crewable lists 7 upcoming 50 mile races in Illinois from October 2026 to July 2027. The next is Des Plaines River Trail Races on October 10 in Lake County.

Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites

With aid station data

Childish Nonsense1 aid

in 7 months

Childish Nonsense

Palatine, IL
50 mi50K+2
Closes Apr 7, 2027from $25
4 aid

in 39 days

Tunnel Hill 100

Vienna, IL
100 mi100K+2
Closes Oct 30from $140

Race calendar

October 2026

2 races

November 2026

2 races

April 2027

2 races

July 2027

1 race

Quick answers

What is the next 50 mile race in Illinois?

Des Plaines River Trail Races, on Saturday, October 10, 2026, in Lake County. Distances: 50 mi, 50K, Marathon.

What is the busiest month for 50 mile races in Illinois?

October 2026, with 2 of the 7. November 2026 follows with 2.

Cities in Illinois

Chicago71

Neighboring states

Indiana96Iowa50Kentucky71Missouri104Wisconsin87

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