Trail Running calendar near High Wycombe 2025-2026

Join the Dirt Run, a two round multi terrain series in Northamptonshire at Irchester on 25 January and Brigstock on 22 February. Choose 5 km to 15 km on mixed trails, paths and roads with a muddy hill to test you and a custom medal for fini..

The Terminator 2026 is a tough but rewarding 12 mile trail race around Pewsey, Wiltshire, mostly off road with muddy climbs and high point views. All finishers receive a unique T shirt and race village treats await.

Run Reigate Canicross & Trail at Gatton Park on 22 Feb 2026 offers scenic multi terrain 5K and 10K trail races plus a dedicated canicross. Chip timing, medals for humans and dogs and tasty treats for pups make it a fun day out.

Join a guided 10 km trail run through Thursley National Nature Reserve, across open heath, pine wood and the boardwalk voted Britain's Favourite Path. Enjoy a friendly group pace with dusk and headtorch evenings, kit trials and a possible p..

Join G3 no.3 at Newlands Corner, Guildford for a choice of 10 km or 15 km routes across Surrey countryside on Saturday 28 February 2026. Friendly, well marked courses with series entry options make this a perfect early season challenge.

Join a guided 30 mile South Downs Way ultra from Harting Down, ideal for first time ultra runners looking for a friendly, non competitive challenge. Savour rolling chalk hills, ancient yews at Kingley Vale and expert guided coaching along t..

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.

Choose a 10k or half marathon and enjoy scenic trails around Pitsford Water starting and finishing at Brixworth Country Park on 1 March 2026. Fully marked and marshaled routes include village passages and a few stiles on the half for a rewa..

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.

Thunder Races invites trail runners to scenic woodland and countryside routes at Harrold Odell Country Park in Bedfordshire on 7 March 2026. Choose 25 km or 50 km routes marked and supported with aid stations, medals and finishers goodies.

Explore the New Forest Hinton Admiral Trail Run for scenic 10, 15 or 21.6 km routes across forest paths and heathland. Dog friendly with canicross options and a plastic free event so bring a reusable cup.

Brutal at Chawton is a raw trail run across muddy woodland, water filled craters and steep sided valleys with tight technical trails. Options for 5 km or 10 km include dedicated canicross waves so bring your dog and expect big challenges.

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..

Berko 10km is a guided 10 km trail run through woods and scenic Chiltern Hills around historic Berkhamsted, starting near the castle ruins. Groups run with a leader who shares trail tips and local history, ideal for those who can manage 5 k..