Trail Running calendar near Amersham 2026-2027
We have found 622 Trailruns within 80 miles of Amersham. See below where and when you can find the races.
0 – 100∞ km
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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 marathon and a half marathon through the northern Cotswolds on 15 November 2026, starting and finishing in Broadway village. Mostly trail terrain with marked routes, GPX files available, TRA licensed and run under UK Athletics rules.
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 night trail 10k at Salcey Forest requiring a head or chest torch, with Petzl demo torches on site. Two laps on crushed stone, a canicross start option and evening parking charge apply.
A fully marked trail ultramarathon around Putteridge Bury in the North Chilterns, the 50K features varied ridgeline running, 798 m of ascent, three staffed aid stations and a UTMB World Series index. Entry is limited to 250 runners.
A half-day 10 km trail run around the Chiltern Hills that finishes with a private brewery tour and tasting at Tring Brewery. Groups are split by ability and participants must be able to run 5 km without stopping.
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 trail event at Spider Hill featuring a single 10 km lap with marshes, Alligator Swamp, Swan Lake, the Muddy Mile and Duck Pond. A 5 km option uses a shortened version with the same muddy, wet terrain.
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 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 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 ten mile off-road trail race in the New Forest hosted by Totton Running Club, with race facilities, trophies by age category, and entries closing 19 November 2026.
Guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Runs take place at dusk in summer and at night with headtorches in winter, on hilly trails with group pacing and a recommended average pace of about 10 min per mile.
Trail run from Plumpton Racecourse into the South Downs National Park offering three distances, climbs to the South Downs Way with Seven Sisters and sea views, and a flat final 3 km to the finish.
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.