Trail Running calendar near Chelmsford 2024-2025

We have found 287 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

The The Sudbury Trail Run will take place in Sudbury on Sunday 14 September 2025.

The Humanity Direct Tring Ultra is a one-day ultra marathon event set in the scenic Chilterns, designed for both novice and experienced runners. Participants can choose from three distances: a full 50km ultra, a 27km half ultra, or a new 10km option. The event supports fundraising for life-changing ..

The Lucky Horseshoe is a running event hosted at the Suffolk Running Centre in Bury St Edmunds, offering participants a choice of distances including 5k, 10k, Half Marathon, Full Marathon, and Ultra. The race features an out-and-back route, providing a social atmosphere and scenic views, including p..

The Centurion Chiltern Wonderland 50 is a challenging 50-mile ultramarathon set in the scenic Chiltern Hills, featuring a single loop course that includes 5,600 feet of elevation gain. Runners will traverse picturesque villages and historic sites, with the event fully supported by five aid stations ..

The Triple Trail 50 is a scenic 50km ultra marathon that takes place in Kent, starting from Ranscombe Nature Reserve and finishing at Loddington Farm. This point-to-point race showcases beautiful landscapes, including views of Leeds Castle and picturesque apple orchards. Following the latter half of..

The Clipston Trail Half and Country 5 Miler is a scenic running event set in the picturesque countryside surrounding Clipston. Participants can choose between a challenging half marathon and a shorter 5-mile race, making it suitable for both seasoned runners and those new to trail running. The event..

The Silent Pool 10km is a guided trail running event that takes place in the picturesque setting of Silent Pool, near Guildford. This unique experience is designed for both novice and experienced runners, offering a chance to explore beautiful trails, including sections of the North Downs Way and th..

The Dark Downs 50K is a unique night running event set in the picturesque South Downs, starting and finishing at Plumpton Racecourse. This 50km loop offers participants the chance to experience the camaraderie and challenge of running after dark, with the added benefit of cooler temperatures. The co..

The Chiltern 50 Ultra Challenge is an exciting endurance event set in the picturesque Chilterns, featuring a variety of routes including 50 km, 25 km, and a 10 km loop. Participants can walk, jog, or run, with a basecamp located in Henley offering amenities such as camping, food, and entertainment. ..

The North Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the North Downs Way, starting and finishing at St Martha's Hill in Guildford, Surrey. This guided run is designed for both seasoned and first-time ultra runners, providing an opportunity to explore beaut..

Run Sandringham is an exciting running event series held at the Royal Estate in West Norfolk, featuring various distances including a Half Marathon, 10K, 5K, and a 24-hour solo or team run. The event aims to attract runners of all abilities and ages, promoting community engagement while raising fund..

October 2025

The London Epping Forest 50 Km is an exciting ultra-running event taking place in Epping Forest, London. Organized by Camino, this is the fifth edition of the race, designed for both seasoned ultra-runners and first-timers. Participants will navigate through the scenic green spaces of East London an..

The London Ecotrail 25 Km is an exciting trail running event set in the scenic Epping Forest. Scheduled for October 4, 2025, this race offers participants a unique opportunity to experience the beauty of nature while challenging themselves on a 25 km course. The event is designed for both seasoned r..

The Dovedale Dash is a renowned cross-country race covering 4 3/4 miles, attracting 1,200 to 1,400 participants of all abilities. Set in the scenic area around Thorpe near Ashbourne in the Derbyshire Peak District, the course primarily traverses fields, paths, and open ground along the valleys of th..

The Thames Meander Autumn is a scenic riverside race series organized by Hermes Running, taking place along the picturesque Thames Path. Starting from the Petersham & Ham Sea Scouts HQ in Richmond, participants can choose from three distances: 10km, half marathon, and marathon. The routes are flat a..

The Black Bull 15 Charity Trail Runs is an annual event featuring two trail running options: a 15-mile run and a 15km jog/walk. Scheduled for October 5, 2025, this event supports a chosen charity, with a portion of entry fees donated. Participants can enjoy a scenic route through diverse terrains, m..

Endurancelife Suffolk offers a range of running events including a 10K, half marathon, marathon, and ultra marathon, set in a scenic and flat landscape. Known for its quick courses, this event is anticipated to become a favorite among participants. The routes traverse diverse terrains such as forest..

The Kent Downs 50 Ultra Challenge is an exciting endurance event set in the picturesque Kent Downs, known as the 'Garden of England.' Participants can choose from three distances: 50 km, 25 km, or 10 km, with the main 50 km route featuring a scenic loop that includes landmarks like Leeds Castle and ..

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. This guided run is designed for both seasoned and first-time ultra runners, providing a supportive gro..

The North Chilterns 50K is an ultra marathon set in the picturesque countryside east of Luton, featuring scenic ridgeline trails and breathtaking views. Scheduled for October 12, 2025, the event will start and finish at the Putteridge Bury Estate, allowing participants to explore a diverse 50K cours..

UTMB Index