Trail Running calendar near Hemel Hempstead 2025-2026

We have found 361 Trailruns within 80 miles of Hemel Hempstead. See below where and when you can find the races.

Humanity Direct Tring Ultra is a one-day ultra held in the Chilterns, starting and finishing at Tring Cricket Club in Tring, Hertfordshire. It offers three distance options: 50km (about 31 miles), a 27km half ultra, and a 10km route. The course sweeps through Ashridge Forest, the Grand Union Canal,..

UTMB Index

The Ouse Valley Way Marathon and Half Marathon is an annual running event held in Huntingdonshire, featuring a scenic 26.2-mile route along the Ouse Valley from Earith to Eynesbury, or vice versa. The course is flat and combines grass, gravel, and tarmac paths, offering a varied running surface clos..

The Clipston Trail Half and Country 5 Miler is a scenic trail running event held in the countryside around Clipston, near Market Harborough. The event features two distances: a half marathon and a 5-mile race, ideal for both seasoned trail runners and beginners. The courses start and finish at Clips..

The Creative Juices 10km is a scenic trail running event held at Woodoaks Farm near Rickmansworth, home to the Creative Juices Brewing Company. The course is predominantly off-road, featuring woodlands, footpaths, and bridleways, making it suitable for all abilities. Runners start and finish at the..

The Manuden 10K is an annual running event held in Manuden, featuring 10K, 5K, and 1K races. The course primarily runs off-road through fields surrounding the village, starting on Rickling Road, which is closed for the event, then continuing on bridleways and footpaths. Water stations are available..

Cirencester AC’s Chedworth Roman Trail offers two trail races set in the Cotswold countryside near Cirencester, Gloucestershire. The 10-mile (ish) single loop and a newly added 5-mile (ish) loop pass through Stowell Park, the Coln Valley, and close to the Chedworth Roman Villa. It’s a challenging mu..

The Dunton Demon Races, organized by Phoenix Striders, take place at Langdon Nature Discovery Park in Basildon. Scheduled for September 21, 2025, the event offers three race options: a challenging 5-mile trail, a new 5k trail, and a 1k/2k Tinnies Toddle for children. The courses feature scenic paths..

Trifarm 10k Autumn Trail Run is a 10-kilometre off-road race at Trifarm, Church Road, Boreham, Chelmsford, Essex. The route is 95% on public footpaths and bridleways, looping clockwise after the first kilometre, starting with a ¾ lap on the Trifarm track and finishing near the humpback bridge. The c..

The Silent Pool 10km is a guided trail run starting and finishing at the mysterious Silent Pool near Guildford, a site rich in history and natural beauty. The route features scenic trails including parts of the North Downs Way, the forest of Netley Heath, and the picturesque village of Shere, known..

The HAVOC Twilight Series 2025 No.2 in South Woodham Ferrers is a midweek street orienteering event featuring a Snooker-O score format. Held around the streets, local parks, and woods, participants navigate a single course with two time limits: a long 60-minute and a short 40-minute option. Controls..

Epic Epping Forest Ultra, organized by Orion Harriers, was planned as a 50-mile trail ultra in Epping Forest near Chingford, London. The course comprised ten 5-mile loops, totaling just over 50 miles with around 1,120 meters of ascent. Formats included a solo Ultra and Enduro teams (2 or 4 runners)...

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

UTMB Index

The Endless Garden – A Backyard Ultra Marathon takes place in Welwyn Garden City, United Kingdom, at The Waggoners pub and surrounding trails. The race features a 4.167-mile loop that runners must complete every hour on the hour until only one participant remains. The course is designed to be safe a..

The Chiltern 50 Ultra Challenge is a scenic endurance event held in the Chilterns countryside, starting and finishing at Henley Showground. Participants can choose from 50 km, 25 km, or 10 km looped routes featuring historic trails, rolling hills, nature reserves, and stunning views. The event offer..

UTMB Index

Thunder Races offers trail running events in Bedfordshire, featuring multiple distances including 10km, 25km, and 50km to suit all skill levels. The races take place in the scenic Harrold-Odell Country Park, providing runnable terrain and beautiful views that enhance the outdoor experience. Designed..

UTMB Index

The North Downs Way Ultra Run is a 30-mile trail running event starting and finishing at St Martha's Hill in Guildford, Surrey. It showcases some of the best sections of the North Downs Way and surrounding Surrey Hills, including the famous Box Hill and Denbies Wine Estate. Designed as an ideal intr..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

The Pumpkin Run Colchester is an autumn-themed running event held at Foxes Farm in Colchester. It offers multiple race distances including a 10K, 5K, family-friendly 1K, and a doggy run, catering to runners of all ages and abilities. The course loops around scenic fields, a pumpkin patch, and a corn..

Wild Run Cotswolds is a trail running event held at the scenic Cornbury Park in Oxfordshire, within the wild, secluded forests of Wychwood. The race features a 10K loop course on private, well-maintained trails with a mix of smooth and rugged terrain and undulating hills. Participants can choose fro..