Trail Running calendar near Marlow 2025-2026

The South Downs Way Ultra Run is a 30-mile trail run starting and finishing at Harting Down in West Sussex. The route showcases some of the best sections of the South Downs Way and nearby areas, including Beacon Hill, Cocking Down, and the ancient woodlands of Kingley Vale, known for its veteran yew..

The North Chilterns 50K is an ultra marathon trail race held in the scenic countryside east of Luton, UK. Starting and finishing at the picturesque Putteridge Bury Estate, the 50-kilometer course features ridgeline trails with stunning views from Warden Hill, Barton, and Pegsdon Hills. The route is..

The Cowdray Autumn Trail Run, held on the Cowdray Estate in West Sussex, offers three challenging distances: 5km, 10km, and 10 miles. The courses feature undulating terrain with steep uphill and downhill sections, traversing bridleways, footpaths, the Serpent Trail, and Sussex Diamond Way, including..

The Ridgeway Run, organized by Tring Running Club, is a challenging 15-kilometre (9.3 miles) trail race set in the scenic Chiltern Hills near Tring, UK. The course starts on the outskirts of Tring, ascending through the Ashridge Estate, passing landmarks like the Bridgewater Monument, and includes s..

The Buckingham 10K is a scenic running event held in Buckingham Town Centre, featuring a 10-kilometer multi-terrain route. The course starts in the town center and passes through Stowe Avenue, the Stowe National Trust Gardens, and surrounding farmland, offering an undulating profile through both urb..

The Gatliff Marathon is an annual challenge event held at Edenbridge Cricket Club in Kent, UK, featuring 25km and 50km distances. Participants can walk, jog, or run mostly on footpaths and tracks through the scenic countryside of Kent, Surrey, and Sussex. The course changes each year, with route det..

The Centurion Autumn 100 is a 100-mile continuous trail race held in the twinned villages of Goring and Streatley on the River Thames in South East England. The course forms a cross shape, consisting of four 25-mile out-and-back sections along the Ridgeway and Thames Path National Trails. Runners fa..

The Bedgebury Forest Half Marathon & 10K is an exciting running event set in the picturesque Bedgebury Pinetum, Kent. Participants can enjoy a scenic, traffic-free woodland trail that is suitable for both novice and experienced runners. The event features a half marathon, a 10K race, and a junior 2k..

The Black Bull 15 Trail Runs, held in Chelmsford, United Kingdom, offer two main distances: a competitive 15-mile trail run and a non-competitive 15 km run/jog/walk. Starting and finishing at the Black Bull pub garden, the 15-mile course loops through local countryside and country roads, providing v..

The Keynsham Dandy is an off-road running race organized by Town and Country Harriers (TACH) in the Bristol area. The event covers approximately 12.5 miles, starting in Keynsham and featuring a scenic route that includes the revival of the Compton Dando section, complete with a stream crossing. The..

The Worcester Ring Run is a 23-mile running event taking place around Worcester and Droitwich, featuring a scenic clockwise loop along the Droitwich and Worcester & Birmingham Canals. The mostly traffic-free course passes landmarks such as Diglis Bridge, Worcester Racecourse, and riverside paths, wi..

The Beachy Head Marathon is one of the UK's largest off-road marathons, held in Eastbourne and featuring a scenic, challenging route through the South Downs National Park. Formerly known as the Seven Sisters Marathon, it offers multiple race distances including a full marathon, an ultramarathon (com..

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra-marathon held in England, running from Iffley near Oxford to Henley-on-Thames along the scenic Thames Path and Ridgeway National Trails. The course features a mix of 86% cross-country trails and riverside paths and 14% road, with v..

Running Tribe Races take place in Chalfont St Peter, Buckinghamshire, with two main locations: Chalfont Park Sports Club and Chalfont St. Peter Community Centre. The event offers flexible distances on looped courses ranging from 7k up to ultra marathon distances (30 to 40 miles).Participants can cho..

The Epping Forest Wildwood Trail Series offers a scenic half marathon and 10K trail run set in the heart of Epping Forest near London. Scheduled for October 25, 2025, the event showcases the vibrant autumn colors and ancient woodland, providing runners with a mix of well-maintained paths and natural..

The Blackwater Marathon is an annual event held at Drapers Farm Sports Club in Heybridge, Essex. Celebrating its 25th edition in 2025, the marathon features a circular route on the north side of the River Blackwater estuary, combining cross country footpaths and sections of seawall. Participants can..

The Thames Path Trail Run is a scenic trail running event held at Windsor Racecourse, winding along the picturesque Thames River and surrounding countryside. Participants can choose between two distances: 21km with 66m elevation gain or 16km with 50m elevation gain. The course is well-marked with pi..

The Stort30 Ultra is a classic 30-mile out-and-back ultra running event held in Hertfordshire, starting at the Hockerill Sports and Social Club in Bishops Stortford. The course runs alongside a scenic river, offering beautiful scenery and a flat, fast route ideal for both seasoned and first-time ult..

Pumpkin Plod is a timed running event held at Ferry Meadows, one of the largest country parks near Peterborough, UK. Participants run laps of a 5.3 km multi-terrain course featuring gravel footpaths and grassy areas through the forest. The event offers two options: a 6-hour or 4-hour challenge, wher..

The Irchester Spooktacular is a Halloween-themed night-time running event held at Irchester Country Park. It features two distances: a 5k race and a 2k Family Fun Run, both set on fully marked woodland trails and tracks. Participants are encouraged to wear fancy dress, with prizes awarded for the be..