F^3 Cap Sauers Trail Marathon
F^3 Cap Sauers Trail Marathon gives Chicago-area runners a full 26.2 on wide forest-preserve horse trails with heavy hill repeats near Palos Hills.
Quick facts
- Trail marathon starts at 7:30 a.m. with a separate 10-mile race thirty minutes later.
- Course uses wide Sag Valley horse trails rather than technical singletrack.
- Aid opportunities are planned around miles 3, 5, 8, 10, 13, 15, 18, 20, and 23.
About the F^3 Cap Sauers Trail Marathon
F^3 Cap Sauers is a Chicago-area trail race in the Cap Sauers Holding Nature Preserve, pairing a full marathon with a 10-mile option.
Course
The marathon uses the Sag Valley Trail system, starting with two circuits of the 10-mile loop and ending with a final out-and-back segment.
Race-day weather
Early May in the Cook County forest preserves can be cool, muddy, or breezy. Wide horse trails help passing, but rain can change footing.
Past F^3 Cap Sauers Trail Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2027 | Saturday, May 8, 2027 | Upcoming | — |
| 2026 | Saturday, May 9, 2026 | Completed | Open results |
| 2025 | Saturday, May 10, 2025 | Completed | Open results |
| 2024 | Saturday, May 11, 2024 | Completed | Open results |
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F^3 Cap Sauers Trail Marathon FAQ
When is the F^3 Cap Sauers Trail Marathon?
The 2027 F^3 Cap Sauers Trail Marathon is on Saturday, May 8, 2027.
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