F^3 Cap Sauers Trail Marathon & 10 Mile - 10 Mile
Also in this race
These events were grouped as one card in discovery—pick another distance or date without going back.
External Event
Distance
10 mi
Pace
All paces
Terrain
Road
Difficulty
All Levels
About this run
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
Typical conditions
For events around May 2027 in Palos Hills, IL, United States: Typical spring conditions in this region — mornings can still be cool; confirm start-time guidance on the official page.
How to prepare
Trail events reward time on uneven surfaces and hills. Practice footing and bring the shoes and hydration the organizer recommends — details vary by race.
Find races near youGetting there
This event is listed in Palos Hills, IL, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Palos Hills
Also in this race
- May 8, 2027 · 12:30 PM
- May 8, 2027 · 1:00 PM (this one)
