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Serpent Trail

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Saturday 6th July 2024

Entries Open
Friday 13th October 2023 at 18:00
Entries Close
Saturday 29th June 2024 at 21:00 (but see below for Distance closing dates)
100km (closes 8th June); 50km (closes 8th June); 20km (closes 8th June); 10km (closes 29th June)
Entry Fees
100km*   £120
50km*   £80
20km   £42
10km   £30

*Instalment option available:
1st 50% instalment upon entry
2nd 50% instalment payable by 01/02/24

Tom, Nicky & the Serpent Trail Team

To enter you must first Log In or Register your Details with SiEntries.

Some of the options for this event are not currently available so waiting lists are being used for these options. To get a waiting list entry for one of these options just enter as normal. No payment is required at this stage as there is no guarantee of being offered a place. If the Event Organiser is able to offer you a place they will send you an email inviting you to enter. You will then be asked to come back to this site and make your payment to confirm your entry. For more details please see our Waiting List Help.

The Serpent Trail is a long distance trail through some of the most breath taking countryside in the South East.

  • Coach Transport to race start INCLUDED in race entry!
  • Permanent Serpent Trail markings along the route PLUS race signage
  • Camping available on Friday and Saturday night, with Kids race on Friday evening!
  • Food and licensed bar in venue
  • Walkers welcome!
  • FREE kids race of circa 1km taking place at 7pm - this is open for all. Kids under 5 must be accompanied by an adult.

Venue - Petersfield Rugby Club (PRFC), Hampshire, GU31 4EP

The Serpent Trail 100km:
The Serpent Trail 100k has been planned so you can go fast and light, and is fully signed to allow you to just run! 
Often firm & dry underfoot due to the nature of the ground, with good signage and support, relatively small hills and a flatter second half... this 100k could be fast!
100km / 1785m Total ascent - 9 Checkpoints - 18 hr time limit

The Serpent Trail 50km
In the South Downs National Park, the Serpent Trail 50km starts just outside Petworth and finishes in Petersfield on a mix of paths and tracks  on generally sandy trails that dry well plus short sections of road.
The 50k is a flat route so is a fast course for those looking to race, a great first Ultra and also a good long distance walking challenge!  TWO RACE START TIMES - read the info here before entering.
50km / 700m Total ascent - 5 Checkpoints - Walkers Welcome! 

The Serpent Trail 20km:
Takes you on a journey through woodland, open heath and river meanders in some of the best scenery in the South!
This is a flat route, so a fast course for those looking to race it or a great distance to challenge yourself or enjoy with friends!
2 Checkpoints - Walkers Welcome! 

The Serpent Trail 10km:
The 10k race is the last 10k of the Serpent Trails southern end to Petersfield and is a mix of quiet country roads, sandy heathland paths, woodland tracks and cornfields.  
This is a flat, fast course and ideal for a seasoned or beginner runner. 
10k / 6 mile route - Water station - Walkers Welcome!

Full race info at 

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