Trail Running calendar near Chelmsford 2026-2027

A 50 mile foot race along the South Downs Way from Worthing to Eastbourne, held on 11 April 2026, with marked trail, multiple aid stations, medical support and a 13 hour finish cut off.

A riverside trail event at Temple Island Meadows on 11 April 2026 offering a half marathon, 10K and junior out-and-back race with chip timing, marked kilometres, medals and post-race goodies.

Take on the Rosebud Marathon, a 26.2 mile stretch of the Rose of the Shires Ultra through scenic Northamptonshire trails, roads and canal tow path. Enjoy waymarked routes, on site support, a finisher medal and prizes for top runners.

Discover scenic trails across the Cowdray Estate and heathland commons at Spring Run the Seasons Cowdray on 11 April 2026. Choose from a kids 3km up to 10 miles, with canirun options for dog owners, perfect for all abilities.

Trail running event at Stanmer Park, Brighton on 11 April 2026 offering three routes on the South Downs Way, varied hilly terrain, outposts for the longer routes, and a reusable cup policy.

A guided one-day trail marathon of 42.2 km through the Chiltern Hills, led by English Athletics qualified run leaders. The route includes Ridgeway sections, well stocked checkpoints and a wooden finisher’s medal.

Enjoy a family friendly day in Froyle with a scenic 10 km trail through fields and woods and a colourful Kids Colour Dash for ages 4 to 12. Village hall cakes, picnic space and on course support make it a relaxed community event.

Epping Forest Wildwood Trail Series on 11 April 2026 offers a half marathon (two laps) and a 10 km (one lap) through ancient woodland at Chingford Plain, London. Courses are chip timed, fully marked, and include aid stations and an eco frie..

A 28 mile (45 km) out and back along the traffic free Brampton Valley Way with a Leicestershire vs Northamptonshire team contest, timing mats at each end, feed stations and two dark tunnels. Entry £32, minimum age 18.

Run scenic loops through Haughley Park on paths and woodland with distances from 5k to ultra and a choice of bespoke or lucky dip medals. Secure parking and on course support make this ideal for runners of every pace.

A scenic 10k trail run in the Nene Valley starting and finishing at KC Active, Kings Cliffe. The circular, fully marked route runs on tracks, fields and disused railway lines with a staffed aid station and eco measures in place.

Take on the 42 km Brighton Trail Marathon through the South Downs from Stanmer Park to Hove Lawns on 12 April 2026. Hilly chalk ridgelines, woodland and a finish on the Brighton Marathon route promise a scenic, rewarding challenge.

Join the inaugural Wild Deer Trail Runs at High Lodge Thetford Forest on 12 April 2026, with scenic 5km and 10km trails. Chip timed and fully supported, all finishers receive a medal, Wild Deer merch, snack and drink.

Windsor 50 on 18 April 2026 uses Windsor Racecourse basecamp and looped 50 km, 25 km and 10 km routes through the Great Park and along the Thames Path, with regular rest stops, medical support, timing and categories for walkers and fast run..

An ultra trail race along the Chiltern ridgeline from Berkhamsted Castle to Hampden Meadow in Wendover. The route is about 51 km with 996 m of ascent, fully marked and supported by three staffed aid stations and a nine hour cutoff.

Trail races on the Serpent Trail in the South Downs National Park offering five distances from 12km to 110km, start and finish at Cowdray Farm Shop, with marked courses, aid stations and on-site camping available.

Tough but rewarding 10 km fell race around Chingford with 450 m of climbing, hosting the first ever Essex County Championships. Pre entry only and open to Essex eligible runners aged 16 and over, with teams welcome.

A timed, lap-based run on a flat 5.3 km towpath course by the River Thames in Walton on Thames. Distances range from 5 km to ultra with flexible rock up and run starts and an optional no-medal lower-price entry.

Run the Martello Half Marathon in Seaford on 19 April 2026, a scenic undulating trail mixing seafront miles with South Downs views. Organised by local clubs, the race features aid stations, a medal and free photos.

Tackle scenic trails at Billingford Lakes on 19 April 2026 with distances from 5k to ultra for every kind of runner. Expect rugged paths, a bespoke finisher medal and post race coffee and cake; bring your own bottle for refills.