Trail Running calendar near Thatcham 2025-2026

We have found 357 Trailruns within 80 miles of Thatcham. See below where and when you can find the races.

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

December 2025

Sussex Downs Trail Run takes place at Plumpton Racecourse in the South Downs National Park, Mid-Sussex, with easy access from Brighton, Haywards Heath, and Lewes. The event offers three distances: 22km, 12km, and 9km. The course starts with a flat 3.5km tree-lined warm-up, then climbs to the South D..

Endurancelife Dorset runs in Swanage along the Jurassic Coast Path, a World Heritage-listed coastline since 2001. The event offers four distances—10K (6 miles), half marathon (13.1 miles), marathon (27 miles), and ultra (37.2 miles)—with substantial climbs (774, 1,719, 4,692, 7,027 ft) on an extreme..

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Cowdray Winter Night Run is a 5km or 10km trail race on the Cowdray Estate in West Sussex. The routes traverse parkland and along the River Rother, with some private estate tracks; the course is mostly flat with a couple of gentle climbs. Runners start at the Cowdray Ruins and finish at the Walled G..

Freedom Racing's Hurtwood 50k is a 50-kilometre trail ultramarathon set in the well-known Surrey Hills. The route is a fully signed long-distance trail with extra race signage, designed as a fast, out-and-back course featuring a 5-mile loop for those up front. Competitors encounter regular checkpoin..

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The Trifarm Winter Trail Run 10k is the final event in a four-round seasonal trail running series, held at Trifarm in Boreham, Essex. The course is predominantly off-road, covering over 95% on public footpaths and bridleways, and follows a mostly clockwise route designed to avoid flood-prone areas n..

The New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

The ATW Grafham Water Trail & Canicross is a scenic 10-mile trail running event held at Grafham Water Visitor Centre in Cambridgeshire. The course begins on the iconic dam, offering a fast start, then loops around the reservoir through woodland nature reserves, past Dragonfly Pond and Sanctuary Bay,..

The Mince Pie 10 is a festive 10-mile race held in Peacehaven, East Sussex, organized by Seaford Striders. The multi-terrain course features about six miles of farm tracks and bridleways, with the remaining four miles on quiet roads, including a challenging hill around mile six. Participants can exp..

The Allsorts Tinkley Gate Santa Dash is a festive, family-friendly running event held at the scenic National Trust Tinkley Gate site in Woodchester, Gloucestershire. Participants can choose between a 5km off-road trail or a shorter 2.5km route, suitable for younger runners. The event welcomes runner..

Winter Downs 200 is Centurion Running’s 200-mile continuous trail race. Held December 10–14, 2025, it forms a giant loop around the South of England, starting and finishing at Juniper Hall near Box Hill, Dorking. Runners cover about 321 km with roughly 22,500 ft of elevation in a single stage, with..

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Mince Pi Run - races of 2 decimal places is a 14 December 2025 off-road event at Shalford Park, Guildford. Participants choose from 3.14 to 31.4 miles (1–10 laps) on a scenic, mostly flat course with one or two hills. A Pi marathon option and a 1-mile Pi-shaped fun run for young children are offered..

The Salcey Forest Christmas 10K, 5K & Junior Fun Run is a festive trail running event held in Salcey Forest, Northamptonshire. Set amidst beautiful, tree-lined woodland paths, the race offers a virtually flat, mixed-terrain course that can be occasionally muddy. Participants can choose between a 10K..

The Chelmsford Brew Co 12k's of Christmas, run & rum is a festive, social running event held at the Chelmsford Brew Co venue, including the Voodoo Keller Bar and the brewery tap room. The 12-kilometre course features a basement-start climb, a tap-room checkpoint, and a finish in the Voodoo Keller Ba..

The Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a flat, hard-surfaced route along a former railway line known as the Somerset and Dorset (S & D). Despite its name, the course is fast and clean, ideal for runners of all abilities, including..

The Festive Friston Forest Night Trail Run is a 5-mile self-navigated night trail run held in the scenic countryside of Friston Forest and downlands near Litlington, East Sussex. Participants follow a Strava GPX route, aided by a written narrative and a tail runner for support. The event starts and..

Santa Claws 10km is a winter cross-country event organized by Racing Line Running, held at Renegade Brewery in the grounds of the Yattendon Estate, Berkshire. The course is a multi-terrain 10km, with a Canicross 10km option for runners with dogs. It delivers a scenic, muddy yet beautiful route throu..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Winter Woolly 10km is a popular trail running event held annually on December 24th at Elstree School in Upper Woolhampton, Berkshire. Now in its sixth edition, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, wood..

The Plain Crazy Winter is a challenging 12.5-mile trail run held in Warminster, known for its hilly, cold, and scenic course that can be windy, snowy, and desolate. The event supports The Royal British Legion Poppy Appeal and offers prizes for top male and female finishers across various age categor..