Trail Running calendar near Herstmonceux 2025-2026

Chiltern Hills 100K is a 100-kilometre ultramarathon in the Chiltern Hills of Buckinghamshire, starting and finishing at Chesham Guides HQ in Lowndes Park. The anticlockwise loop visits Ashridge Estate, Coombe Hill, Whiteleaf, and Bledlow Ridge, and runs along The Ridgeway from Ivinghoe Beacon to Al..

The Halstead & Essex Marathon, established in 1995, is an annual running event held in North Essex, starting at Halstead Leisure Centre. Celebrating its 30th year in 2026, the marathon features a scenic course on low-traffic roads through rolling hills, woods, and farmlands, offering a picturesque a..

The Oliver Fisher 10k & 5k is an annual running event held at Milton Creek Country Park in Sittingbourne, Kent. Featuring off-road stone trail courses, the race offers 10k and 5k distances along with a junior run, making it suitable for runners of all ages and abilities. The scenic route showcases t..

North Downs Way 50 is a 50-mile point-to-point ultramarathon along the North Downs Way National Trail, running from Farnham, Surrey to Knockholt Pound on the outskirts of Greater London. In its 15th year, the route climbs about 5,600 feet (1,700 m) and mirrors the first 50 miles of the NDW100. The c..

The Compton Marathon & 16 Mile Challenge, part of the Compton Downland Challenge, is hosted by Compton Harriers Running Club in Compton, Berkshire. The event offers two routes: a marathon and a 16-mile challenge, both starting from the village recreation ground by the Village Hall (HQ). With a 7-hou..

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greenery. Suitable for runners of all levels, the event fosters a f..

South Downs 50k is a 50-kilometre point-to-point trail race from Falmer (University of Brighton) to Eastbourne, largely following the South Downs Way through the South Downs National Park. The route features runnable trails with grass, farm tracks and forest sections, totaling roughly 3,600 feet of..

Farmmageddon is an endurance running event held at Hyde Hall Farm, Buntingford, SG9 0RU. Returning for its second year, the event features a challenging 100-mile race completed over 32 hours across two days. The course consists of a 5.3 km loop combining trail, grassland, and some tarmac paths, suit..

London 2 Brighton Ultra Challenge is Ultra Challenge’s flagship Capital-to-Coast trek from Richmond to Brighton. On 23-24 May 2026, it offers a full 100km route with ~1500 m of ascent, plus shorter options of about 50km and 25km, including a Brighton 25km loop. The course traverses Surrey and Sussex..

The Fox is a RunThrough Trails event set in the Surrey countryside, offering three trail distances: 20k, 41k and 62k. Runners start at different venues—Merrist Wood College in Worplesdon (20k), West Clandon Village Hall (41k), and Burys Field in Godalming (62k)—before all finish back at Burys Field...

Seven Sisters Half Marathon is a scenic, single-loop trail race through the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. Runners follow the South Downs Way from Eastbourne to Friston Forest, traverse woodland trails, pass the Seven Sisters, and return over Beachy..

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the race follows a way-marked, flat towpath through urban and rura..

The La Vronnaise will take place in Vron on Monday 25 May 2026.

The Ridgeway Challenge is an 86-mile (139km) trail race along The Ridgeway National Trail, from Ivinghoe Beacon in Hertfordshire to Avebury Stones in Wiltshire. Run by Runaway Racing, it’s a historic journey along a route used for more than 5,000 years. The course is marked with permanent Ridgeway s..

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Medway, passing historic sites like East Farleigh’s stone brid..

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and lush countryside along the Medway Valley Walk. Runners expe..

Beat The Sunset 50km Ultra Marathon takes place in Maidenhead, starting and finishing at Summerleaze Park. This multi-terrain, roughly 50 km loop runs 75% off-road along the Thames Path, the Jubilee River and the Green Way, with a fully signed course. There are four aid stations about every 10 km, p..

The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, including half marathon, full marathon, and 50k ultra options...

Surrey Hills Half Marathon is a guided trail half marathon based in Guildford, Surrey, covering about 13 miles. The route travels through the Surrey Hills, with highlights including St Martha's Church and hill, the village of Shere, and views from Newlands Corner and Hackhurst Downs, including secti..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a distinctive experience by starting early on a summer evening and..