Trail Running calendar near Amersham 2026-2027

Country routes from Barton-le-Clay with 12 miles for walkers only plus 18 and 26 mile courses, checkpoints, refreshments and map navigation.

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

A lap-based timed run at Grafham Water as part of Phoenix Running's Elements Series. Laps are 5.3 km on mainly tarmac paths with distance options from 5 km to ultra and finisher medals for participants.

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 chip-timed 10K trail through Breckland and Thetford Forest near Santon Downham, with on-site parking, a midway water station, and a bespoke finisher medal.

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 50km trail from Putteridge Bury across North Chiltern ridgelines and hills, with three aid stations, UTMB index status and an 8h45 time limit.

Riverside trail runs from Alexandra Gardens, Windsor with chip timing, on-course water and finishers' medals over 21.8 km or 16.1 km.

A half-day 10 km trail run in the Chiltern Hills followed by a private Tring Brewery tour with a tasting and a beer option.

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.

Off-road races at Spider Hill, Long Valley offering a single 10 km lap with named wet sections and a shorter 5 km route added in 2022.

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 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..

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.

Multi terrain running at Coombe Abbey on Sunday 22 November with 8 mile and 5 mile options, water stations, prizes, and hot chocolate at the finish.