Race. Train. Gear up.
Saturday, July 4, 2026 Haslemere, GBR
Trail 100k

Serpent Trail Race 100km

Race completed
100km Distance
1,785m Elevation
7.7 Grit Score
Hardcore Level
Vertical Intensity 18 D+/km
Flat Hilly Mtn

Moderate undulations. Requires consistent effort across varying grades.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling 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 bigger climbs and more regular ascents come in the first half of the race with some long downhill sections and the route is then flatter for the last 30km.  The trail is a mix of tracks, paths and short sections of road on generally sandy trails.