40/50 Mile Challenge - Half Day Forest Preserve
AUG
29
2026
Read all about the 40/50 Mile Challenge - Half Day Forest Preserve on 29 Aug 2026 in Lincolnshire.
Sat 29 Aug 2026
50 miles
40 miles
Always double-check with the organizer's website! This page may contain affiliate links.
About the race
The 40/50 Mile Challenge - Half Day Forest Preserve will take place in Lincolnshire on Saturday 29 August 2026. You can run between 40 and 50 miles. Visit the organization's website for the most recent information.
50 mi
50 Mile
40 mi
40 Mile
Events nearby
A community cross country event in Mount Prospect offering 1, 2 and 3 mile races. Entry is $25 and proceeds benefit the Little Giraffe Foundation.
Loop based endurance event at Busse Woods on August 15, 2026 offering repeated 3.1 mile laps over smooth crushed limestone and packed gravel. Distances range from 5K to 50K with a central aid station and open loop format.