Trail Running Calendar South East (England) 2025-2026

The Freedom Racing - 5 Trails Ultra & 3 Trails is an exciting trail running event set in the picturesque South Downs. Participants can choose between a challenging 50k Ultra, which traverses five distinct long-distance trails, or a more accessible Half Marathon covering three trails. The event promi..

Big Night Out Winchester is an exciting night-time trail running event set in the scenic surroundings of Winchester, Hampshire. Participants can choose between a 22km or 12km course, both illuminated by headtorches as they navigate the trails and pathways. The event features a fully marked route wit..

The South Downs Trail Run is an exciting running event set in the picturesque South Downs National Park, starting from Goodwood. Participants can choose from three distances: 21km, 19km, and 12km, catering to various skill levels. The route features a mix of forest tracks, bridleways, and scenic tra..

The Southampton Half Marathon MoRun is a vibrant running event that includes 1.5k, 5k, 10k, and half marathon distances, taking place at Southampton Common. This event aims to inspire participants of all ages to engage in running while raising awareness and funds for men's health through the Movembe..

The One by the Canal is a scenic trail run that begins in Cowley and follows the picturesque Grand Union Canal, concluding in Watford. This event features a Half Marathon distance, allowing participants to immerse themselves in beautiful natural surroundings while enjoying a well-organized race expe..

The Remembrance Day Run - South, organized by Saturn Running, takes place in Egham, Surrey, and serves as a tribute to those who have sacrificed their lives in conflicts worldwide. Participants can choose their distance within a 7-hour time challenge, with options starting from 5km up to 50km. The s..

The New Forest Central Trail Run is an exciting trail running event set in the picturesque New Forest National Park, renowned for its natural beauty. Starting from Roundhill Campsite, participants can choose from three distances: 22km, 17km, and 10km. The well-maintained gravel pathways offer a slig..

The Centurion Wendover Woods 50 is a challenging 50-mile trail race set within the scenic Wendover Woods. Participants will navigate five 10-mile loops featuring a mix of smooth trails and steep ascents and descents, totaling 10,000 feet of elevation gain. The event is fully supported with nine aid..

The Devil's Punchbowl 10k is a guided trail running event set in the picturesque Devil's Punchbowl in Hindhead, Surrey. This unique 10km run offers participants a chance to explore stunning trails and enjoy breathtaking views, making it suitable for both novice and experienced runners. The event fea..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

The Serpent Trail Ultra Run is a 30-mile trail running event that showcases the scenic beauty of the Serpent Trail and the Sussex Border Path, starting and finishing in Haslemere, Surrey. This event is designed for both seasoned and first-time ultra runners, offering a supportive group experience ra..

The New Forest Stinger is an annual trail running event organized by the Totton Running Club, featuring a scenic 10-mile route through the beautiful New Forest. The race is designed to comply with Forestry regulations, ensuring that participants run on approved trails. Each entry includes an exclusi..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, offering participants a chance to challenge themselves on scenic trails. Scheduled for November 23, 2025, the event features various distances, including a 5K, 10K, and Half Marathon trail run, a..

The Riverside Marathon & Half Marathon is a scenic running event taking place along the River Thames, featuring both marathon and half marathon distances. Participants can choose to complete either 4 laps for the half marathon or 8 laps for the marathon. The course is UKA certified and offers a flat..

The Wittering Beach Run is a popular running event set against the stunning backdrop of West Wittering's natural beaches, which have earned Blue Flag Status. Participants can choose from three distances: 15km, 10km, and 5km, all designed to showcase breathtaking views of Selsey Bill, the Isle of Wig..

The Maverick Original Oxfordshire 2025 is a trail running event set in the picturesque Stonor Park, known for its historic manor house and ancient deer herd. Scheduled for November 29, 2025, this event features three distinct routes: 22 km, 12 km, and 7 km, catering to various skill levels. Particip..

The Maverick Exposure Lights Dark Oxfordshire 2025 is an exciting trail running event set in the picturesque Stonor Park, nestled in the Chiltern Hills. Participants can choose from three challenging routes: 17 km, 12 km, and 7 km, all designed to enhance the thrill of running in the dark. The event..

The Box Hill Vertical KM is a unique guided trail run set in the scenic hills of Box Hill, Surrey. Participants will tackle a specially designed route that achieves over 1000 meters of elevation in a short distance, focusing on challenging hill climbs without the use of hill repetitions. The event e..

The Surrey Hills Half Marathon is a guided trail running event that showcases the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. Participants will experience scenic routes featuring iconic landmarks such as St Martha's Church and the picturesque village of Shere, while..

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..