Serpent Trail

Petersfield, United Kingdom • 5 Jul 2025

The Serpent Trail is a scenic trail running event held in the South Downs National Park, Hampshire, UK, known for its breathtaking and unique countryside. It offers five distances: 100km, 75km, 50km, 20km, and 10km, catering to a range of runners and walkers. The courses feature mostly flat terrain with firm, dry trails, passing through rare lowland heath habitats, ancient woodlands, and quaint villages. The 100km race is designed for speed with good signage and support, while shorter distances provide accessible challenges for beginners and seasoned runners alike. The event includes coach transport to the start, camping, a kids' race, food, and a licensed bar, creating a welcoming festival atmosphere. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K
100 km
1785 m+
100km
75 km
1200 m+
50 km
700 m+
20 km
10 km
Visit the organization's website for the most recent information.
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