Trail Running calendar near South Downs National Park 2025-2026

Explore coastal trails around Chichester Harbour AONB with scenic 21 km and 16 km options that skim the foreshore and South Downs. Dog friendly and low elevation, ideal for runners and canicross pairs.

Chocothon is a friendly timed lap on a flat 5.3 km riverside towpath, letting you complete as many laps as you can within a seven hour window. Distances from 5 km to ultra, medals and aid stations make it perfect for all abilities.

Tackle the Imber Ultra, a scenic 33.5 mile multi terrain trail run around the Imber Range on Salisbury Plain, starting in Westbury. Organised as a charity fundraiser, this classic March ultra promises tough trails, great camaraderie and fin..

Challenge yourself on scenic trails at Up on the Downs on 1 March 2026, starting and finishing at Breamore House near Salisbury. Choose from a half marathon, 10k or 5k with a Canicross option and earn a finisher medal.

Run the scenic Windsor & Eton 10km on Sunday 1 March 2026, a mixed terrain route along the Thames and Jubilee Rivers through Dorney and Eton Wick. Finish by Windsor & Eton Brewery for a medal and your choice of beer or soft drink.

Join a guided 10km trail run at Silent Pool near Guildford along the North Downs Way and past film locations from The Holiday and Bridget Jones Diary. Group pace, head torch and shoe trials, and a post run alcohol free beer add to the fun.

Join the Humanity Direct Amersham Ultra on 7 March for scenic footpath and bridleway routes of 10 km, 25 km or 50 km starting at Dr Challoner's School. Run or walk to fundraise for Humanity Direct and earn a finisher medal.

Take on a scenic, strenuous trail from Helen Gardens Eastbourne across chalk and forest with stunning views of the Seven Sisters cliffs. Choose 10K, half, marathon or ultra on a marked and timed course with a finishers medal.

Run through New Forest woods, heath and meadows at the Hinton Admiral Trail Run with trail, canicross and hiking options. Dog friendly one dog per runner and entries include chip timing, water stations and a finishers medal.

Brutal at Chawton delivers muddy farm tracks, water filled craters and technical forest trails for a gritty off road challenge. Choose 5 km or two lap 10 km and try canicross if you want to run with your dog with a running harness required.

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..

The Berko 10km will take place in Berkhamsted on Saturday 7 March 2026. You can run 10 kilometers.

Leith Hill Half Marathon is a challenging 13.1 miles trail race across Surrey with about 1,800 feet of ascent and a summit finish at Leith Hill Tower. Enjoy scenic singletrack, a reusable medal, local beer and a full cooked breakfast.

Wight Riot is a mixed terrain coastal run at Hordle Cliff West, with sweeping views of the Isle of Wight and a scenic stretch past Sturt Pond Nature Reserve. Choose distances from 5K to ultra marathon and earn a medal for completing a lap o..

Enjoy a scenic riverside run along the Thames Path with options from 10 km to a full marathon. Flat, runnable routes marshalled and supported with checkpoints, food and medical cover make this a great spring challenge in Barnes.

Take on the Steyning Stinger on Sunday 8 March 2026 across scenic South Downs trails with marathon, 30k and half marathon options. Expect tough multi terrain, great support, a sustainable finisher medal and free race photos.

Larmer Tree 2026 invites runners to the picturesque Larmer Tree Gardens on the Rushmore Estate in Dorset, with courses run in laps from a 1 mile fun run up to the marathon and a full colour finishers medal. Held Sunday 8 March 2026, entries..

Join the women focused TrailX Women Run at Culden Faw Estate near Henley on Thames on 8 March 2026 for a scenic day on the trails. Multiple distances from a 3 km fun run to 13 km competitive options make it perfect for all abilities.

Tackle a scenic but testing 50 km trail ultra around Stonor Park, Henley on Thames, with rolling hills and about 1200 m of climb across two 25 km loops. Expect forest tracks, big views and a welcoming ultra community.

Explore dramatic Jurassic Coast paths from Old Harry Rocks to the ruins of Corfe Castle in a scenic trail run with 21, 16.5 and 10.5 km options. Finish under castle ruins then ride a private steam train back to Swanage for a memorable day.