Trail Running calendar near Chelmsford 2025-2026

We have found 304 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

The St Peters Way Ultra is a 42 mile point to point trail from Chipping Ongar to the Chapel of St Peter on the Wall at Bradwell on Sea. Expect muddy footpaths, rural tracks and an exposed sea wall, with live tracking and checkpoints for foo..

Dirt Run is a trail running series across two rounds in Northamptonshire at Irchester in January and Brigstock in February. Tackle mixed trails and a notable hill, pick short or longer distances and earn a unique finisher medal.

Guided 10 km trail runs on Thursley Common across heath, bog and the boardwalk voted Britain's Favourite Path. Friendly, non competitive group runs include sunset and night options with headtorches.

Join the G3 Series at Newlands Corner, Guildford for a scenic 10km or 15km trail run on Saturday 28 February 2026. Expect rolling Surrey countryside, friendly competition and a welcoming event village at the start.

Join a guided 30 mile group run along the scenic South Downs Way, exploring Beacon Hill, Kingley Vale and ancient woodlands. Ideal for first time ultra distance runners seeking a supportive, well organised trail experience with stunning vie..

March 2026

Join the Pitsford Water Trail Races on 1 March 2026 for scenic, fully marshaled trail runs around Pitsford Water with 10k and half marathon options. Enjoy village views, finisher medal and free digital photos in a friendly countryside event..

Run a scenic circular half marathon through Thetford Forest on varied trails with wildlife and traffic free paths. Enjoy pro photos, a finisher medal and podium prizes in this spring trail challenge.

Join a guided 10 km trail from Silent Pool, Albury along the North Downs Way through Netley Heath to Shere, with sunset or headtorch night options. Led by a qualified guide, the run features kit trials and sometimes an alcohol free beer.

Join Thunder Races at Harrold Odell Country Park for scenic 25 km and 50 km trail runs through woodland and countryside. Marked routes, aid stations and finish medals make it a welcoming challenge for trail runners of all levels.

UTMB Index

Take on scenic but strenuous trails around Eastbourne and the Seven Sisters on 7 March 2026 with 10K, half, marathon or ultra distances. Expect chalk and woodland underfoot and sweeping English Channel views.

UTMB Index

Event overview The Humanity Direct Amersham Ultra is a one-day running and walking event on 7 March 2026 at Dr Challoner's Grammar School, Amersham, Buckinghamshire. Distances on offer are: 50 km (ultra) 25 km (half ultra) 10 km The cours..

Tackle the Leith Hill Half Marathon, a scenic 13.1 miles cross country run from Dorking to Leith Hill Tower and back with about 1,800 feet of climbing. Enjoy stunning views, a commemorative medal and a full cooked breakfast at the finish.

Explore the Northamptonshire countryside at the 6th Hannington Hike on 8 March 2026 with 15.5 or 26.6 mile routes. Friendly checkpoints, hot drinks and a finisher certificate and badge make this a rewarding day out for walkers of any abilit..

Tackle the Hundred Hills 50 km, a challenging trail ultra at Stonor Park near Henley on Thames with two 25 km loops and 4000 ft of ascent. Five aid stations and hot food at the finish make for strong support.

UTMB Index

Explore the North Downs and Greensand Ridge on three new routes of 15, 20 or 30 Miles at the Sevenoaks Circular Challenge. Organized by LDWA Kent, this friendly event features indoor checkpoints, snacks and hot food at the finish.

The ZigZag 2026 Moo-rathon, Calf and Hen K at the Farm is a trail running event held at Hyde Hall Farm, SG9 0RU. Returning for its third year, the event offers multiple distance options including 10k, half marathon, full marathon, and ultra..

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to..

Join a guided 13 mile trail run around Guildford's Surrey Hills, visiting St Martha's Hill, Shere and the North Downs Way. Enjoy a friendly group pace, kit support and optional post run refreshments.

Run the Windsor Trail Run on Sunday 22 March 2026 at Alexandra Gardens, a flat, well marked trail with distant views of Windsor Castle. Choose 10K or Half Marathon with chip timing, post race goodies and an event village to celebrate.

Join the Y2Y North Downs Trek / Run on 22 March 2026 for a scenic trek along the North Downs Way to YMCA East Surrey, Redhill. Choose 26.2 or 14 miles, enjoy support stops and finish with a commemorative medal and technical t shirt.