Trail Running Calendar South East (England) 2026-2027

A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.

Trail runs from Roundhill Campsite through New Forest National Park on wide hard packed gravel paths with free roaming ponies and deer. Distances of 21.6k, 16.7k and 10k include chip timing, a medal and on course refreshments.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..

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.

Trail races at Westerlands near Graffham: a 50 km Ultra linking five long distance trails and a 13 mile Half on three trails, with SportIdent timing, aid stations, mandatory kit and a wooden eco-medal for finishers.

A multi-terrain *5K* and *10K* race in the Chiltern Hills on 15 November 2026, organised by the Radnage Primary School PTA, with water stations, first aid, a village hall cafe and proceeds supporting the school.

MoRunning at Southampton Common offers chip timed 1.5k, 5k, 10k and a half marathon with medals, finisher headbands and on-site race facilities. The course mixes paths, trails and grass and is dog friendly and buggy usable.

Saturn Running holds the Smurf Run along the River Thames at Wraysbury on 15 November 2026. The seven hour Time Challenge starts from 3 km laps and includes finisher medals, distance pins, aid stations and goody bag options.

Multi-distance trail run in the Meon Valley and on the South Downs Way with marked routes, stocked checkpoints and mostly trail terrain.

Timed multi-lap run on a flat Thames towpath in Walton on Thames with distances from 5 km to ultra, a seven hour limit, flexible one hour start window and finishers medal options.

Riverside trail run from Alexandra Gardens in Windsor along the Thames with two distances, chip timing, water stations, and finishers' medals.

Night time looped trail run at Moors Valley Country Park on 21 November 2026 with 10 km, 20 km or 30 km options, compulsory headtorch and free main car park; runners can choose a tree planting option instead of a medal.

Wet, muddy trail races at Spider Hill, Long Valley offering a single-lap 10 km and a shorter 5 km with marshes, named water features and multiple climbs.

A 14 mile trail race on 22 November 2026 that starts with a climb and follows muddy and chalky descents, with water provision en route and tea, coffee and cake at the finish. Route files and a trail narrative are available to download.

Scenic 10 mile off road trail race in the New Forest hosted by Totton Running Club with medals, water stations, parking and trophies for overall and age category winners.

Guided *10 km* trail run around the Devil's Punchbowl in Hindhead, Surrey, with hills, views and group navigation. Events take place at dusk or at night with headtorches and cost £22 per person.

Complete as many 5 km laps as possible on a marked trail loop from Peaslake Community Hall, with a 2 km ascent toward Pitch Hill and a downhill return. Solo and three-person team entries are available, with refreshments and prizes included.

A charity Friday run in Walton on Thames where the £10 entry fee is donated to Rays of Sunshine. Flexible rock up and run format on a flat 5.3 km riverside lap with a finishers' medal for all participants.

A trail run from Plumpton Racecourse across the South Downs with three distance options, a tree-lined warm up, a climb onto the South Downs Way and coastal views. Finishers receive a medal, drink and goodie bag.

A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.