The Spring Trail Series 2026 by Ultra X

The Spring Trail Series by Ultra X takes place on the Serpent Trail, a stunning route that weaves through the greensand hills, river, woodland, and lowland heath of the South Downs National Park, a habitat which is rarer than rainforest and home to a variety of rare and endangered species.

Entry Options

110km Individual Entry
110km Macmillan Entry
* With this entry you are pledging to raise £500 for Macmillan Cancer Support
110km CALM Entry
* With this entry you are pledging to raise £500 for CALM
110km Team Entry ( 3+ )
110km Armed Forces Entry
110km U23 Go Free
50 miler Individual Entry
50 miler Macmillan Entry
* With this entry you are pledging to raise £500 for Macmillan Cancer Support
50 miler CALM Entry
* With this entry you are pledging to raise £500 for CALM
50 miler Team Entry ( 3+ )
50 miler Armed Forces Entry
50 miler U23 Go Free
50km Individual Entry
50km Macmillan Entry
* With this entry you are pledging to raise £500 for Macmillan Cancer Support
50km CALM Entry
* With this entry you are pledging to raise £500 for CALM
50km Team Entry ( 3+ )
50km Armed Forces Entry
50km U23 Go Free
25km Individual Entry
25km Macmillan entry
* With this entry you are pledging to raise £500 for Macmillan Cancer Support
25km CALM Entry
* With this entry you are pledging to raise £500 for CALM
25km Team entry
25km Armed Forces Entry
25km U23 Go Free
12km Individual entry
12km Macmillan Entry
* With this entry you are pledging to raise £500 for Macmillan Cancer Support
12km CALM Entry
* With this entry you are pledging to raise £500 for CALM
12km Team Entry
12km Armed Forces Entry
12km U23 Go Free

Refunds, Credits

Refunds

Our refund policy is available here: 


Credits

  • You may exchange your entry for a Credit at a cost of £0.00 until 16/03/2026.
  • You will have 12 months (from the date of the event) to spend your credit. You may also use your credit to enter someone else.
  • Click here for more info on Credits.

You can manage your entries from the My Entries page.