Trail Running calendar near Seaford 2026-2027

We have found 415 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

Looped races in Chalfont St Peter offering on the day choices from 7 km up to ultra marathon distances, with a single aid station, marked trails, drop bag access and medals for top finishers.

A 5 mile timed, self-navigated night trail on 30 October 2026, run mostly through forest and downland. Fancy dress is encouraged with trophies and a post-run dessert for winners, and a tail runner will sweep the course.

A single-loop 50K trail race around the Chilterns starting and finishing in Berkhamsted. Fully marked route along The Ridgeway and Chiltern Way with three aid stations, mandatory kit requirements and a 9 hour time limit.

UTMB Index

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

Experience a night trail run through the ancient Alice Holt Forest with 5 km, 10 km, or 15 km lap-based routes. Navigate tree-lined avenues by head torch and enjoy fire pits and refreshments at the finish line.

November 2026

Trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run on hilly, multi terrain forest trails with route maps and a six hour cut off.

The Touquet Bike & Run will take place in Le Touquet-Paris-Plage on Sunday 1 November 2026. You can run 14 kilometers.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

Experience a night time trail run through the Chiltern Hills at Stonor Park. Choose from three fully marked routes and enjoy a unique atmosphere in an estate home to fallow deer and wallabies.

Nuclear Fallout runs muddy obstacle courses on farmland and woodland near Brentwood, Essex, with options from 6 km to 24 km plus, chip timing, many natural and man-made obstacles, and finisher medals and photos.

A trail running event at Stonor Park on 7 November 2026 with three routes through the Chilterns. Distances range from 7 km to 22 km, with steep sections and outposts offering snacks and hydration for the longer routes.

A night-time trail run around Winchester using sections of the South Downs Way, Pilgrims Trail and Itchen Way. Two marked distances are offered with mandatory headtorches, on site registration and a bag drop.

Experience a flat trail run through the heart of royal Berkshire with chip timed results and free race photos. Choose between a 10k or Half Marathon distance starting from the scenic Alexandra Gardens in Windsor.

A seven hour Time Challenge along the River Thames in Egham offering distances from 3 km to 50 km, commemorative medals and distance pins, a goody bag with a vegan option, and a two minute silence observed during the event.

Commemorate Remembrance Day with a flexible timed run along the scenic River Thames. Choose your own distance from 3km to an ultra marathon on a flat loop course with a supportive aid station and unique finisher medals.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

Trail running from Roundhill Campsite through the New Forest National Park on wide, hard-packed paths that pass ponies, horses, donkeys and deer. Two route distances are offered; the half marathon has 183 m of elevation gain.

A 50 mile trail race on 14 November 2026 run as five 10 mile loops within Wendover Woods, featuring about 5600 ft of climb and nine aid stations with full medical cover. It is the final race in the 50 Mile Grand Slam.

UTMB Index

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

Multi-terrain 5 km and 10 km races in the Chiltern Hills on 15 November 2026, organised by Radnage C of E Primary School PTA with proceeds to the school. Village hall HQ offers a cafe, water stations and first aid on course.