Serpent Trail

Petersfield, United Kingdom • 4 Jul 2026

Serpent Trail

The Serpent Trail is a trail running event in the South Downs National Park, based at Petersfield Rugby Club, Hampshire (GU31 4EP). The event offers multiple distances along permanent Serpent Trail markings and additional race signage, with support checkpoints on the longer routes.

Distances available:

  • 100 km - 1785 m total ascent, 9 checkpoints, 18 hour time limit
  • 75 km - 1200 m total ascent, 7 checkpoints
  • 50 km - 700 m total ascent, 5 checkpoints
  • 20 km - 2 checkpoints
  • 10 km - water station provided

Routes run through lowland heath, ancient woodland, greensand hills, river meanders and rural lanes. Surfaces are mainly sandy trails that tend to dry quickly, with generally small hills and a flatter second half on the longest course. Walkers are welcome on several distances.

Event services include coach transport to race starts included with entries, camping on the Friday and Saturday nights, a kids race on the Friday evening, food and a licensed bar at the venue. Entry minimum age is 16. Entry fees vary by distance and some longer distances close earlier than the main event closing date. The 100 km and 50 km offer an instalment payment option. Visit the organization's website for the most recent information.

Race information

100 km
100km
75 km
50 km
20 km
10 km
Visit the organization's website for the most recent information.
Trail runs nearby

A 50 mile point to point ultramarathon along the North Downs Way with 5,600 ft of ascent, six aid stations and a 13 hour cut off. The route is mostly trail and requires specific qualifying and mandatory kit.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

A community trail run at Newchurch Primary School on 17 May 2026 offering three distances from 900 m to 9 km. Entry fees are £8 to £17.50, medals for all and a raffle with prize draws. Proceeds support school learning resources.

Off-road multi lap run at Nutbourne Vineyards with views to the South Downs. Choose distances from 5 km up to a half marathon on the day; entry is £29, places are limited to 100, and finishers receive a medal, drink and cake.

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