Spring Trail Series by Ultra X

Haslemere, United Kingdom • 12 Apr 2025

The Spring Trail Series, organized by Ultra X, features three race distances of 25km, 50km, and 75km, set in the picturesque South Downs National Park. Participants will traverse the scenic Serpent Trail, which includes diverse landscapes of hills, rivers, and woodlands. The event emphasizes community and experience, offering an expo with food, drinks, and merchandise at the start/finish area. Runners can also enjoy camping options and relaxed cut-off times, focusing on the adventure rather than competition. The series supports local conservation efforts by donating a portion of entry fees to the South Downs National Park Trust. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K
75 km
1362 m+
50 km
1088 m+
25 km
572 m+
Visit the organization's website for the most recent information.
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