Race. Train. Gear up.
Saturday, May 30, 2026 West Chesterfield, MA, USA
Trail 100k

Chesterfield Gorge 100 Km Ultra Race

Race completed
100km Distance
5 Grit Score
Challenging Level
Vertical Intensity 0 D+/km
Flat Hilly Mtn

This course is relatively flat and fast. Ideal for PB attempts.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

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👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

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🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

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Course Intelligence

OPENFREE MAP (LIBRE)

Course Notes

The course itself is a continually rolling jeep trail with a few rocks (but not a technical trail), with permanent mile markers along the way. The race will consist of one or more 7.75 mile (12.5k) trail out-and-backs (for 15.5 miles/25k total).