Trail Running calendar near Chelmsford 2025-2026

We have found 305 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

Run 4.167 mile loops each hour at High Lodge in Thetford Forest until one runner completes an extra lap. Chip timed main race has a £250 prize and free entry to the summer Back Yard Ultra.

Enjoy reservoir views and undulating wooded trails at Bewl Water Autumn, with distances from 10 km to a 50 km ultra to suit every runner. Detailed course guides, GPX routes and a route video help you prepare for this Runners World top 10 UK..

Run scenic trails in the Surrey Hills at Farnham Pilgrim on 13 September 2026, with hilly routes and great views. Pick a half or full marathon and enjoy friendly marshals, water stations and a lively finish at The Sands Recreation Ground.

Run scenic, hilly trails around medieval Rye, linking ancient tracks through the High Weald and passing Norman churches. Choose 30k or 15k with about 1,500 ft of climb in a lively community event that supports a local charity.

Join the Alf Shrubb Memorial 10k and 5k in Slinfold, a friendly trail race through West Sussex countryside finishing at Slinfold Cricket Club. Chip timing, medals, cakes and a licensed bar make it a lively community fundraiser supporting lo..

Chiltern Wonderland 50 on 19 September 2026 is a 50 mile loop from Goring Village Hall through the scenic Chiltern countryside. Expect tough climbs, great views and full support from Centurion Running.

UTMB Index

Run 5k to ultra on the scenic Gallops near Bury St Edmunds and spot race horses in training. Aid stations and parking at Suffolk Running Centre; finishers get a bespoke medal. Bring your own bottle.

Run scenic countryside trails at the Clipston Trail Half Marathon and Country 5 Miler, starting from Clipston Recreation Ground. Enjoy rolling hills, a homemade cake at the finish and the feel good factor of supporting local playing fields.

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Join the Chiltern 50 Ultra Challenge from Henley basecamp and run scenic looped trails through rolling hills and nature reserves. Pick 50, 25 or 10 km routes with aid stations, camping options and a finishers medal at a lively basecamp.

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

October 2026

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the..

Run beneath starry skies on the South Downs at The Dark Downs, a dusk to night trail event from Plumpton Racecourse near Lewes. Choose a 50k or half marathon on rolling, runnable trails with reflective signage and friendly aid stations.

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Run to the Sea Bournemouth is a scenic 50 km point to point ultra from Moors Valley to Hengistbury Head, blending forest trails and seafront paths. Expect a mostly flat course, feed stations, free photos and a bespoke finisher medal.

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Enjoy scenic undulating forest trails at Alice Holt with 5k, 10k, Half Marathon and junior distances run over 5k loops. The event is postponed until Spring 2026 and raises funds for GUTS to support bowel cancer detection and research.

Guided 30 miles trail run from St Martha's Hill through the Surrey Hills, passing Box Hill, Denbies Wine Estate and quaint villages. An experienced ultra coach leads this friendly group outing, offering guidance and social challenge.

Explore scenic Kent Downs trails from Maidstone basecamp with 10, 25 or 50 km loops via North Downs Way, River Medway and Leeds Castle. Enjoy full support, camping, timed stops and a finishers medal, tee and fizz.

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.