Trail Running calendar near Biddlesden 2026-2027

A guided 16k trail run at High Lodge in Thetford Forest on 15 November 2026. Runs are led at a conversational pace with group placement, varied woodland terrain, and basic kit and parking information provided.

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.

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 fully marked trail ultra of about 50 km around Putteridge Bury with ridgeline running, three aid stations and an 8 hour 45 minute time limit.

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

A half day 10 km trail run in the Chiltern Hills followed by a Tring Brewery tour with tasting and a choice of a bottle or a pint.

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 mostly off road 15k at Trifarm, Boreham, run on public footpaths and bridleways with on-site parking, water refill points and manual timing.

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 festive running event at Sherwood Pines on Sunday 22 November featuring 10 km, 5 km and a junior run on undulating multi terrain. The event supports Shelter and includes a bespoke medal, free photos and prizes.

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 multi-terrain event at Coombe Abbey offering 8 mile and 5 mile routes with wooded trails, river crossings, a water station and a race memento at the finish.

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.

A night time off-road 10 km race at The Wyre Forest with compulsory torches, canicross allowed, medals for all finishers and prizes for the top three men and women. Early reduced fee for the first 20 entries.

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.

Mudfest at Rosliston Forest is a four hour event on a 4 km loop where runners may complete as many laps as possible; field capped at 30 and entry listed at £29.

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 road and trail loop. Participants run laps to cover distances from 5k up to ultra marathon, with parking included, water provision at the lap point, and a bespoke finisher medal.