F^3 Cap Sauers Trail Marathon & 10 Mile

11200 S Willow Springs Rd, Palos Hills IL

Saturday, May 10th, 2025

🏞️ Race Overview

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!

🗺️ Course Details

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.

📅 Event Information

Date: 2025-05-10
Location: 11200 S Willow Springs Rd, Palos Hills, IL
Race Types: Marathon & 10 Mile
More Info: Visit the race page

Course Map

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