Trail Running calendar near Grafham 2025-2026

The Maverick Original Oxfordshire is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers three challenging routes: 22 km (long), 12 km (middle), and 7 km (short), featuring elev..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses with no elevation gain, ideal for runners seeking personal best..

The Colworth Hare and Tortoise Run is a 26.3-mile event held at the Colworth Estate in North Bedfordshire, starting and finishing at Colworth House Sports and Social Club in Sharnbrook. The race consists of five laps on a gently undulating course featuring trails, unclassified roads, and some woodla..

The St Andrews Day Challenge, organized by Zig Zag Running, takes place at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. This multi-terrain event features a 5.3 km loop of gravel footpaths and grass areas. Participants can choose between a 6-hour or 4-hour timed challenge..

The Surrey Hills Half Marathon is a scenic 13-mile guided trail run starting and finishing in Guildford, Surrey. Ideal for those new to trail running, the route showcases the natural beauty of the Surrey Hills, including landmarks like St Martha's Church, the village of Shere, Newlands Corner, and H..

The Cannock Chase Forest Christmas 10K, 5K, and Junior Fun Run is a festive running event held in the scenic Cannock Chase Forest, Staffordshire. Participants can choose from 10K, 5K, or a junior run, all set on undulating forest trails that offer picturesque views and a challenging course. The even..

The Carsington Water Half Marathon & 10k, held on December 6, 2025, takes place at the scenic Carsington Water in Ashbourne, UK. This event features an undulating trail route around the reservoir, offering runners stunning countryside views. The half marathon course is an out-and-back route plus one..

The Hurtwood 50K, organized by Freedom Racing, is a popular late-season ultra running event held in the scenic Surrey Hills. This 50-kilometer trail ultra features a fully signed long-distance route with additional race signage, ensuring clear navigation. The course includes an exciting out-and-back..

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 Chasewater Christmas Pudding Dash is a festive running event held at Chasewater Country Park in Staffordshire. Offering 10k, 5k, and junior race options, the course features mostly flat, slightly undulating compacted trails around the scenic Chasewater Reservoir. The 10k race consists of two lap..

The ATW Grafham Water - Trail & Canicross is a scenic 10-mile trail running event set around the picturesque Grafham Water in Cambridgeshire. Participants will enjoy a route that begins on the iconic dam and winds through beautiful trails, including a Woodland Nature Reserve and Sanctuary Bay. The e..

Bauble Bimble is a festive running event held at Ferry Meadows, a large country park near Peterborough, UK. Participants run laps of a 5.3 km multi-terrain course featuring gravel footpaths and grassy areas through the scenic park. The event offers a 6-hour or 4-hour timed challenge where runners ca..

The Winter Downs 200 is a challenging 200-mile continuous trail run held in South East England, starting and finishing at Juniper Hall, Dorking. Scheduled for December 10-14, 2025, the race forms a large loop incorporating five major trails: North Downs Way, Vanguard Way, South Downs Way, Wayfarers..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event held at Shalford Park, Guildford, featuring distances from 3.14 to 31.4 miles, corresponding to 1 to 10 laps of a scenic, mostly flat off-road course with a few hills. There is also a Pi marathon option and a 1-mile fun run shape..

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 Let it Stow Half Trail Marathon is a festive-themed 13.1-mile trail running event held in Stowmarket, Suffolk. The course features a scenic winter route through woodlands, meadows, and quiet country lanes, offering picturesque views of Stowmarket Town and the Mid-Suffolk countryside. The well-ma..

The Sherwood Pines Festive Trail Runs, held near Mansfield in Nottinghamshire, offer a family-friendly running event set within 3,300 acres of scenic woodland steeped in Robin Hood history. Scheduled for December 14, 2025, the event features a variety of distances including a new 5km trail run, a 10..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour timed event, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass area..

The NAV4 Tour de Helvellyn is a challenging winter ultra running event held annually near Helvellyn in the Lake District, starting and finishing at Askham Community Centre. Covering approximately 38 miles with around 2000 meters of ascent and descent, the unmarked route follows mountain trails, brid..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra—the race features a mass start and a seven-hour cutoff. The course is entirely on road, passing through picturesq..