Trail Running calendar near Sunbury-on-Thames 2026-2027

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.

Trail running from Roundhill Campsite in the New Forest near Brockenhurst with 21.6 km, 16.7 km and 10.0 km options on wide gravel paths through woodland and heathland, with on-course drinks, chip timing and finisher medals.

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.

A themed Smurf Run Time Challenge on a signed riverside loop at Wraysbury Skiff and Punting Club. Flexible distances from a 3 km minimum up to marathon, 50 km and ultra options with medals, distance pins and aid tables.

A six-hour off-road event at Salcey Forest on a 3.5-mile loop where participants run as many laps as they wish. The course is forest trails with aid-station treats, canicross permitted, parking available and a GPX route provided.

A night trail 10k at Salcey Forest on 20 November 2026 that requires a head or chest torch; Petzl will have demo torches on site. The route is two laps on crushed stone, canicross runners start 10 minutes before the main field.

A fully marked 50K trail race from Putteridge Bury on 21 November 2026 with three aid stations, a varied undulating route through the North Chilterns and an overall time limit of 8h45.

Riverside trail runs from Alexandra Gardens in Windsor with scenic Thames views. Choose from 21.8km or 16.1km routes with chip timing, water stations, a finisher medal and on course support.

A half day 10 km trail run in the Chiltern Hills that finishes with a private tour and tasting at Tring Brewery. The event includes trail instruction and a bottle or a pint at the brewery.

An underground marathon at UCAP BUNKER near Portsmouth on 21 November 2026. The multi lapped route runs through low tunnels, has a six and a half hour cut off, and requires a headtorch and cycle helmet.

A night-time trail run at Moors Valley Country Park with looped 10 km laps and options of 10 km, 20 km or 30 km; the course is fully marked and a headtorch is mandatory.

Brutal at Spider Hill in Long Valley offers 5 km and 10 km courses across mud, marshes and climbs, passing Alligator Swamp, Swan Lake, Muddy Mile and Duck Pond. Entries close 19th November.

A 14 mile trail run on 22 November 2026 with a climb at the start, downloadable route maps and a GPX file. Basic aid stations are provided and parking is very limited so train or cycle travel is recommended.

A *10 km* road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local..

A scenic off-road 10 mile trail race in the New Forest hosted by Totton Running Club, with medals, water stations and age-category trophies. Entries close 19/11/2026 and the field is limited to 301 runners.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Group paced on hilly trails with sunset and night options, equipment trials, and an alcohol free beer offered subject to availability.

Trail races from 10.8 km to 21.3 km start at Plumpton Racecourse, climb onto the South Downs Way and return with sea and countryside views. Courses are chip timed and include water stations, first aid and a finishers medal.

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.

A six-hour timed event at Suffolk Running Centre on a 10.5 km mixed road and trail loop. Participants run laps to cover distances from 5k up to ultras; parking is included and the event is cupless so participants should bring their own bott..