Trail Running calendar near Guildford 2026-2027

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.

A marathon and half marathon on hilly, often muddy trails in the northern Cotswolds. The event is TRA licensed and run under UK Athletics rules; minimum age 18 and entries are open.

A countryside walking event based at Barton-le-Clay Village Hall with 12 miles for walkers only plus 18 and 26 mile routes across field paths, tracks and woods. Online entries run 1 September to 13 November 2026.

Trail running in the Meon Valley with 15.5, 21.5 and 40 mile options on South Downs Way and local trails. Courses are waymarked with stocked checkpoints and there are specific age and entry rules.

Night trail running from Corfe Castle on 20 November 2026 with three waymarked routes across muddy tracks, ridges and woodland. The long route includes one outpost, toilets are only at the venue, and dogs are not permitted.

A six-hour lap event at Salcey Forest where participants choose how many 3.5-mile loops to run. Dogs and rucking are allowed, a reduced parking rate is available, and there are options for charity donations or a tree token instead of a meda..

A 10k night trail at Salcey Forest on a marked two lap crushed stone route that can be slippery in wet weather. A head or chest torch is required, Petzl will provide demo kit, and a canicross option runs ten minutes before the main field.

A 50 km trail race from Putteridge Bury in Luton across North Chiltern ridgelines and hills, fully marked with three aid stations, mandatory kit requirements and UTMB index status.

A chip timed trail run from Alexandra Gardens in Windsor along the Thames, offering two distances, riverside views, on-course support and finisher medals.

A guided 10 km trail run through the Chiltern Hills followed by a private tour and tasting at Tring Brewery. The event includes trail coaching, a run leader and a bottle or 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.

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.

A trail race at Spider Hill, Long Valley, on Saturday 21 November offering a single-lap 10 km and a shortened 5 km option with mud, marshes and steep climbs.

A mostly off road 15k trail at Trifarm near Boreham on 21 November 2026, following public footpaths and bridleways. The anticlockwise route starts by the lake and finishes on the running track beside the road entry.

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.

A Half Marathon and a 10k on Wimbledon Common in London supporting Beder, with a trail marked course, course marshals and an event village offering food, drink and partner goodies.

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 on 22 November 2026, organised by Totton Running Club. Entry includes medal, medical cover, parking, goody bag and age-category trophies; the route is mainly trail and undulating.

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.