In 188 days · Sat, May 8, 2027
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Saturday, May 8th, 2027
11200 S Willow Springs Rd, Palos Hills IL
Marathon · 10 Miles
46–65°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
42–63°F
dry
2025
43–57°F
dry
2024
50–77°F
dry
2023
48–65°F
rain
2022
41–65°F
dry
2021
33–52°F
rain
2020
31–45°F
dry
2019
44–70°F
dry
2018
52–76°F
dry
2017
35–56°F
dry
Best months to race in Illinois →
About this race
Explore the Cap Sauers Holding Nature Preserve - the largest tract of undeveloped land in Cook County, IL. This race will cover every inch of maintained trail within the Nature Preserve. With over 1000 ft of elevation, this marathon is mountainous by Chicago standards!
The course uses the Sag Valley Trail system, covering the Yellow, Green, Blue & Tan trails. The whole course is wide horsetrail, allowing for 2-way traffic and encouragement from fellow participants.
Results here: https://sites.chronotrack.com/event/92163/results
2026 Photos here: https://www.flashframe.io/search/2861/
2025 Photos here: https://www.highfivebb.com/Running/F3-Cap-Sauers-Trail-Marathon-10-Mile-May-10-2025
Course map
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Run clubs near Palos Hills to train with before race day.
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