Trail Running calendar near Chipping Ongar 2025-2026

We have found 324 Trailruns within 80 miles of Chipping Ongar. See below where and when you can find the races.

The Dormouse Challenge is a unique running event held at the scenic Salcey Forest in England. Participants can run as many 5k laps as they wish within a 6-hour time limit, making it suitable for all abilities, from casual walkers to seasoned runners. The course features well-maintained pathways, and..

The Kingston 10k, organized by RunUk, is an exciting running event that takes place in Kingston, Surrey. The race starts and finishes at the Kingston Hawker Centre, offering participants a scenic route through the streets of Kingston and along the river towpath. In support of the NHS, runners are en..

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 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 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 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, exploring off-the-beaten-path trails through woodlands, heathlands, and open fields...

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 St Andrews Day Challenge, organized by Zig Zag Running, is a unique running event held at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour format, running a 5.3k multi-terrain lap through the scenic forest. This event caters to runners of all levels, from begin..

The Surrey Hills Half Marathon is a scenic trail running event that takes participants through the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. The route features iconic landmarks such as St Martha's Church and the picturesque village of Shere, while also incorporati..

December 2025

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..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting from Plumpton Racecourse. Participants can choose between three distances: a 22km Half Marathon, a 12km Standard route, and a 9km option, catering to various skill levels. The course features a mix of flat secti..

The Hurtwood 50K, organized by Freedom Racing, is a popular ultra-running event set in the scenic Surrey Hills. This trail race features a fully marked long-distance route, enhanced with additional signage for participant guidance. The event includes regular checkpoints offering food and drinks, mak..

UTMB Index

Bauble Bimble is a festive running event held at Ferry Meadows, a scenic country park near Peterborough. Participants can choose between a 6-hour or 4-hour format, running as many laps as they can on a 5.3k multi-terrain course featuring gravel paths and grassy areas. This event caters to runners of..

The ATW Grafham Water - Trail & Canicross is a scenic 10-mile trail running event set around the picturesque Grafham Water in Cambridgeshire. Participants will enjoy a route that begins on the iconic dam and winds through beautiful trails, including a Woodland Nature Reserve and Sanctuary Bay. The e..

The Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop through the South of England, incorporating the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Participants have up to 96 ho..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

The "Let it Stow – Half Trail Marathon" is a festive-themed running event set in Stowmarket, showcasing the beautiful Mid-Suffolk countryside. Participants will navigate a well-marked 13.1-mile route that includes woodlands, meadows, and quiet country lanes. The event emphasizes sustainability by be..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or 4-hour race, completing as many laps as possible on a 5.3k multi-terrain course. This event caters to runners of all levels, from..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a seven-hour cut-off time. The course features an out-and-back route for shorter dis..