Trail Running calendar near Marlow 2025-2026

The St Peters Way Ultra is a challenging 42-mile running event that traverses the historic countryside of Essex, starting from Chipping Ongar and finishing at the ancient chapel of St Peter-on-the-Wall in Bradwell on Sea. This route, part of an ancient pilgrimage trail dating back to the 7th century..

The Two Tunnels Races offer a unique running experience beneath the city of Bath, featuring the longest underground sections for each race distance in the UK. Participants can choose from various events, including a 5km, 10km, half marathon, marathon, and a 50km ultra marathon, catering to all fitne..

The Winter Trail Run at Gatton Park is back for its fourth year, offering a popular 5K multi-terrain loop. Participants can choose to run either one or two loops, with options for 5K or 10K distances available on the day. The event features a dedicated Canicross segment, a vibrant atmosphere, and am..

The Terminator 2025 is a challenging multi-terrain running event organized by the Pewsey Vale Running Club, taking place on February 23, 2025. The course spans approximately 12 miles, featuring a mix of gentle fields and steep climbs, offering stunning views throughout. Participants are encouraged t..

Running Tribe Races offers a unique running experience where participants can choose their distance on the day of the event. Runners can opt for a 10km, Half Marathon, Full Marathon, or Ultra Marathon, all set on a 10km loop course. The event is designed to accommodate various skill levels, allowing..

The Dirt Run at Irchester Country Park, now part of the Go Beyond Challenge, offers a thrilling multi-terrain running experience. This event features two rounds, with Round 1 taking place at Irchester and Round 2 at Brigstock Country Park. Runners can choose from various distances: 5K, 10K, and 15K..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, featuring challenging trail runs in the scenic Meon Valley. Participants can choose between a 16-mile or marathon distance, both starting at Queen Elizabeth Country Park. The course includes a significant climb to Butser H..

The North Downs Ridge 50k is a trail ultra marathon organized by Freedom Racing, taking place on the North Downs Way and the Surrey Wildlife Trust reserve at Norbury Park. The race features a total ascent of 2986 feet, making it accessible for many long-distance runners, including those new to ultra..

The Smugglers Trail, organized by Essex Trail Events, is a self-navigation trail race taking place on February 23, 2025, in Hullbridge. Participants can choose between two distances: approximately 9.9 miles or 6.6 miles. The event requires runners to follow a written route description provided on th..

The Run Reigate Canicross & Trail event, organized by RunThrough UK, will take place on February 23, 2025, in Redhill, Reigate. Participants can choose between a 5K or 10K multi-terrain loop through the scenic Gatton Park. The event promises a streamlined experience with minimal waiting time, ensuri..

The Big Mud Meon Valley Marathon & 16 Mile is an exciting trail running event taking place at Queen Elizabeth Country Park. Scheduled for February 23, 2025, this event offers participants a choice between two challenging distances: a marathon and a 16-mile race. Known for its stunning views and rugg..

The Surrey Hills 10km is a scenic trail run set in the beautiful Surrey Hills, an Area of Natural Beauty. Starting from St Martha's Hill near Guildford, participants will enjoy a guided run that includes stunning views, a climb to the hilltop church, and a descent through picturesque landscapes. Thi..

The Winter Green Man Ultra is an exciting ultra-running event featuring two distances: 30 miles and 45 miles, set in the scenic surroundings of Bristol. Participants navigate a challenging course along the Community Forest Path, with well-stocked checkpoints providing essential support. The event is..

The St David's Day Challenge is a unique six-hour running event held at the Suffolk Running Centre. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners aiming for their first 5k to seasoned a..

The Fitstuff G3 Series is a cross-country running event held in the scenic Surrey countryside, featuring 5km, 10km, and 15km trail routes starting from Newlands Corner, Guildford. This series offers participants a challenging experience with varied terrain, including hills, mud, and forest trails. T..

The Bowerhill Bomber 10K & 5K (Winter) is a scenic running event taking place on March 2, 2025, in Bowerhill, Wiltshire. Participants will navigate through picturesque countryside, including country lanes, fields, and towpaths, with the added challenge of stiles, gates, and potential mud. The event..

The Pitsford Water Trail Races, organized by Race Harborough, feature fully marked and marshaled trail races over 10k and half marathon distances. Set against the scenic backdrop of Pitsford Water, the event offers participants a chance to experience the beautiful Northamptonshire countryside. The h..

The Imber Ultra is an annual multi-terrain trail run covering over 33 miles, organized by the Avon Valley Runners and the Rotary Club of Westbury. The event starts in Westbury and primarily follows the Imber Range Perimeter Path. In 2025, the run will take place in an anti-clockwise direction, marki..

The South Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the South Downs Way and its surroundings, including notable sites like Beacon Hill and Kingley Vale. Designed for both seasoned and first-time ultra runners, participants will be guided by an experienced..

Up On The Downs is a trail running event celebrating the beauty of the countryside surrounding Salisbury. Participants can choose from three distances: a 5k designed for beginners, a 10k that measures slightly over 11k, and a half marathon, all primarily on trails and country paths. The event starts..