F^3 Cap Sauers Trail Marathon & 10 Mile

Palos Hills, IL, United States
10 May, 2025 (Sat)

About the event

Explore the Cap Sauers Holding Nature Preserve during this challenging marathon, held on the largest tract of undeveloped land in Cook County, IL. The race navigates the Sag Valley Trail system, featuring the Yellow, Green, Blue, and Tan trails. Participants experience significant elevation gain, making it a hilly course by Chicago standards. The wide horse trails allow for two-way traffic and camaraderie among runners.

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