Trail Running calendar near Brighton 2026-2027

We have found 340 Trailruns within 80 miles of Brighton. See below where and when you can find the races.

A 5K self navigational trail run at Nuclear Essex on 14 February supporting the British Heart Foundation. Participants follow a checkpoint route, are asked to wear something red and receive hot chocolate and Jammie Dodgers at the finish.

Celebrate Rayne'ing Medals Anniversary on the traffic free Flitch Way with distances from 5 km to marathon and a 6 hour challenge. Pick a bespoke medal, enjoy scenic, lapped trails with aid stations and choose your own loop direction.

Take on the Hot Lips Run at Crystal Palace Park and choose how many 1.65 mile laps to tackle, from 5k to ultra, on scenic off road trails with rolling hills. Timed with a 7 hour limit and a finisher memento for all entrants.

Join Phoenix Running West Sussex for the Violets Are Blue Valentines Run at Southwater Park. Pick distances from 5 km to ultra, lap the flat compact trail at your own pace with rolling starts and claim a blue Love Spoon medal.

Join KNC 18 at Mote Park on Thursday 19 February for a lively 60 minute score orienteering challenge across varied parkland. Advance online registration via Racesignup makes it easy to test your navigation and race craft.

Magna Carta Winter on 21 February 2026 offers flat riverside 10 km, half and marathon routes along the Thames starting at Wraysbury Skiff & Punting Club. Enjoy marshalled turns, chip timing, medals and pro support on a highly rated course.

Looped trail and road races in Chalfont St Peter where runners choose on the day between 7k, longer loops, marathon and ultra marathon distances with aid, pacing and crew support.

Take on the 42 mile St Peters Way Ultra, a scenic trail ultramarathon from Chipping Ongar to the chapel at Bradwell on Sea through rolling countryside and a dramatic sea wall finish. Expect waymarked muddy trails, basic checkpoints and a tr..

BigMud Trails at Queen Elizabeth Country Park offers scenic single lap routes across the South Downs with two climbs of Butser Hill. Choose 16 mile, marathon or 50 km distances and enjoy hearty aid stations and stunning views.

An off road 10 km trail at Hadleigh Country Park with hills, mud and a single lap course. The event features an elite wave, waymarked multi terrain routes and a bespoke medal plus free race photographs.

Tackle a winter trail at Gatton Park on 22 Feb 2026 with a choice of 5K or 10K loops. Canicross and trail runner categories, friendly social vibes and a finisher medal make it a great day for runners aged 11 and up.

A fully signed 50k trail from Denbies near Dorking along the North Downs Way and Norbury Park, with 2986 ft ascent, four staffed checkpoints and a 10 hour cutoff; the race also qualifies for the UTMB index.

UTMB Index

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.

Enjoy scenic Gatton Park trails with canicross and trail options over 5K and 10K, with medals and dog treats. Chip timed races, onsite parking and post race goodies make for a fun winter run with your canine companion.

Guided 10 km trail runs at Thursley National Nature Reserve in Surrey on 25 February 2026 and 7 July 2026. Flat group routes include a boardwalk section, headtorches for night runs and a car park; cost £16 per person.

Take on scenic 15 km or 10 km routes at Newlands Corner, Guildford on Saturday 28 February 2026 with the G3 Series. Friendly, well organised races and multi entry deals make this a perfect weekend challenge for all abilities.

Guided 30 mile trail run from Harting Down along the South Downs Way, visiting Beacon Hill, Cocking Down and Kingley Vale. Presented as suitable for first time ultra runners, run at a group pace with practical support and route guidance.

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.

March 2026

A trail running event at Breamore House near Salisbury with 5K, 10K, half marathon and a 5K Canicross class. Routes use country paths and bridleways and include marshals, medics, aid stations and finisher medals.

Run the Windsor & Eton 10km on 1 March 2026 for a scenic multi terrain route from Windsor & Eton Brewery along the Thames and Jubilee River. Finishers get a pint cup, medal and free race photos to celebrate your run.