Trail Running calendar near Marlborough 2025-2026

MoRunning returns to Southampton’s The Common, The Avenue (SO15 7NN) for the MoRun day, offering 1.5k Mini MoRun, 5k, 10k and Half Marathon. The course is a mix of park paths, trails and grassy sections, undulating and dog-friendly, with some muddy parts. The 5k is one lap, the 10k two laps, and the..

The SATURN Remembrance Day Run 2025 - South is a commemorative running event held at Wraysbury Skiff & Punting Club, Egham, along the scenic River Thames. Participants can run a flexible distance within a 6 hour and 32-minute timed challenge, with laps of approximately 7km (4.37 miles) or a shorter..

The One by the Canal is a scenic Half Marathon trail race running from Cowley Rec, Cowley, along the Grand Union Canal to finish at Cassiobury Park, Watford. The course uses country paths and woodland trails, delivering nature-filled canal scenery. Key features include chip timing, a finisher medal,..

DirtRun In The Dark – Race 1 is a night-time, off-road running event held at Wyre Forest Visitor Centre, Callow Hill, Kidderminster (DY14 9XQ). The 10km course is run as two laps around forest tracks and trails, entirely off-road and tackled in the dark. Torches are compulsory and canicross is permi..

Centurion Running's Wendover Woods 50 is a 50-mile ultramarathon held in Wendover Woods, Aston Hill, Halton, Aylesbury. The course comprises five 10-mile forest loops on soft trails and tracks through Wendover Wood, offering runnable descents, steep ascents, and technical sections, with a total elev..

Bath Skyline 5km & 10km, a Relish Running Races off-road event at West Car Park, University of Bath (BA2 7AY), features night and day races across 5km and 10km, plus a daytime 500m kids' run. The hill-top routes traverse woodland trails, meadows and trails with views over Bath; expect muddy sections..

New Forest Central Trail Run is held at Roundhill Campsite in the New Forest National Park, Beaulieu Road, Brockenhurst (SO42 7QL). It offers 10km, 17km, and 22km trail routes on wide, hard-packed gravel tracks that pass through ancient woodland and heathland, with opportunities to spot native ponie..

Trails & Tarmac 12hr Backyard Ultra takes place on 15 November 2025 in Crickhowell, Powys, set in the Black Mountains. The event is organised by Limitless Trails. Entries open 22 January 2025 and close 8 November 2025. The minimum age to enter is 17 or older. The entry fee is £75. Trophies are..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The Avebury8 Nine is a small, highly regarded trail race set in the Avebury World Heritage Site in Wiltshire. The roughly 9-mile course starts and finishes in Avebury, with the route starting on Bray Street, heading north to Yatesbury Lane, through Yatesbury, and returning to Avebury High Street to..

Broadway Marathon & Half Marathon takes place in Broadway, Worcestershire, in the northern Cotswolds. The event offers two distances: a marathon and a half marathon. The course is long, hilly and muddy, predominantly on trails and unpaved tracks with a few minor road sections.It starts and finishes..

Roly's Run 2025 takes place on Sunday 16 November 2025 in the Meon Valley, Hampshire. Race HQ is at Swanmore Village Hall, New Road, Swanmore, SO32 2PF. Entries open 20 March 2025 and close 10 November 2025; there were 176 participants listed at the time of publication. The event is organised by CH..

The 5th Sundon Saunter is a long-distance walking event held on 16 November 2025. The venue is Barton-le-Clay Village Hall, MK45 4JY (grid ref TL 083 307). Parking is available at the village hall or at Arnold Academy, Hexton Road, MK45 4JZ (grid ref TL 086 305). Entries open on 1 September 2025 an..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

Dormouse Challenge is held at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). It’s a 6-hour trail event on a 3.5-mile off-road loop, letting runners choose any number of laps from a 5k to well over 80 km within the time limit. The course uses well-maintained paths—crushed stone an..

The STAR Backyard PEASLAKE is a trail running event organised by Surrey Trek and Run at Peaslake Community Hall, Peaslake, Surrey (GU5 9RR). It is the first of a three-event STAR Backyard series, with Holmbury St. Mary and Shere to follow. The event runs for three hours and asks participants to com..

Petzl Night Trails 10K takes place at Salcey Forest, a Forestry Commission site near Northampton (postcode NN7 2HX). The event is a night trail run and participants must carry a head or chest torch to take part. Petzl will attend with demo head torches. A canicross option is available; canicross ru..

Dark Valley, Night Trails is a night-time trail run at Moors Valley Country Park, Ashley Heath, near Ringwood, Dorset. The 10km loop winds through wide, tree-lined forest tracks on the Hampshire/Dorset border, with 1, 2, or 3 laps for 10km, 20km, or 30km. Runners use headtorches guided by bespoke fl..

Bournemouth Coastal TEN is a seaside running race held at Hengistbury Head, Bournemouth, Dorset. Runners choose between a scenic 10-mile or 10km coastal route along Bournemouth’s seafront, with views of Boscombe Pier, the Isle of Wight and The Needles to the east, and Old Harry Rocks along the Juras..