Trail Running calendar near Kingston upon Thames 2025-2026

Ultra:5K is a unique running event held at Box End Park, Kempston, near Bedford, Great Britain. The challenge involves running multiple 5K races on the hour, every hour, with two options: five 5K races over five hours (25 km total) or three 5K races over three hours (15 km total). The event emphasiz..

The Thackray Williams Sevenoaks 7 is a celebrated 7-mile trail race held annually in the scenic Knole Park, Sevenoaks, Kent. Marking its 30th edition in 2025, the course features challenging hills, multi-terrain paths, and picturesque woodland trails, offering an exhilarating experience for runners..

The Phoenix Striders Summer Series is a trail running event held at the Essex Wildlife Trust's Langdon Discovery Nature Park, part of Langdon Hills. The series features five rounds, with Round 4 taking place on July 15, 2025. The event offers a 5k trail run consisting of two laps of a 2.5k circuit,..

The Surrey Hills 10km is a guided trail run set in the picturesque Surrey Hills Area of Natural Beauty near Guildford, UK. The 10km route starts with a climb up St Martha's Hill, offering panoramic views from the hilltop church, then continues to Newlands Corner with stunning vistas over Surrey’s ro..

Clissold Park hosts a penultimate event in the Park Race series organized by Dartford Orienteers, set in largely open parkland featuring a mansion, lakes, a water fountain, skateboarding area, and adventure playground. The event offers two courses: a 2.5 km short course and a 5.0 km long course, wit..

The Chelmsford Brew Co Summer 10k Trail Run is a fun, non-competitive event held in Chelmsford, United Kingdom, starting at the Voodoo Keller Bar. The trail run covers a 10-kilometer route that includes a checkpoint at the Chelmsford Brew Co tap room, where participants can enjoy a drink and a rest..

The Hughenden Valley 10K is a popular trail running event held around the National Trust's Hughenden Manor estate near High Wycombe. The 10-kilometer course features a hilly terrain with over 195 meters of elevation gain, winding through beautiful woodland and rural trails in Hughenden Valley. The r..

The FREE Backyard Ultra Taster Session is a casual, guided group run held at Vigo Rugby Club in Meopham, UK. Participants can experience the Backyard Ultra format by running one or both of the official Day Yard and Night Yard loops, each 4.1 miles long, used in the Kent Backyard Ultra Series. Runner..

The Pewsey Vale Ultra is an exciting new running event featuring a challenging 125km loop through the picturesque Wiltshire countryside, following the Pewsey Vale Circular walk route. Participants will experience a total ascent of 1902m, with the course well-marked and supported by checkpoints every..

The Hughenden Valley Half Marathon is a scenic trail running event held at the National Trust's Hughenden Manor and surrounding woodlands in the UK. Covering 21.1 km with over 450 meters of elevation, the course features woodland trails and challenging hills, offering a mix of ups and downs without..

The Maverick X Series Chilterns 2025 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 four challenging routes ranging from 12 km to an ultra 52 km, featuring significant e..

The Humanity Direct Chiltern Challenge is a one-day ultra running event held in the scenic Chiltern Hills, starting and finishing at Princes Risborough School in the South East of England. Participants can choose from three distances: 10km, 25km, or 50km, with ascent gains ranging from 258 to 871 me..

The ATW St Albans Summer 10K is a flat, fast, and chip-timed race held at Highfield Park, St Albans, Hertfordshire. The single-lap course follows the scenic, traffic-free Alban Way, a tree-lined disused railway path, looping through Sleapshyde before returning to the park. The route is mostly on tar..

Bright Skies Surrey Hills is a daytime trail running event held at Denbies Wine Estate in Dorking, UK. It offers marathon, half marathon, and 10K distances, including canicross races, plus 1K and 2K kids’ races for ages 3-12. The course features an undulating route through Surrey’s rolling, muddy hi..

The Valley Park Tour of the Woods is a 10 km trail race held in the scenic Valley Park Woodlands in Chandler's Ford, Hampshire. Organized by Chandler's Ford Swifts Running Club, the race is uniquely divided into five stages ranging from 500 meters to 3 km, with recovery breaks between each that do n..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Winwick Hall Trail Races, held at the scenic Winwick Hall Estate in Northamptonshire, offer fully marked and marshaled trail running events including 10k and 5k distances, plus a 2k children's fun run for ages 4-12. The courses feature a mix of grassland, country paths, and hard-packed trails wi..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers runners the choice of 10-mile or 5-mile distances through stunning, undulating forest trails with picturesque scenery. The event emphasizes sustaina..

Summer Nights is a self-navigation trail race organized by Essex Trail Events, held at The Wheatsheaf in Hatfield Peverel, Essex. The event features a new approximately 6-mile route, with participants using a written route description provided on race day—there are no course markings, marshals, or G..