Trail Running calendar near Letchworth Garden City 2026-2027

A self-navigation trail of about 6 miles on 6 April 2026, part of the four day Easter Eggstravaganza series. Entries are limited to 150; Race HQ is at the Rose and Crown in Great Waltham and there are no aid stations.

Rose of the Shires Ultra The Rose of the Shires Ultra is a 54-mile circular ultra marathon in Northamptonshire. The route starts and finishes at Brixworth Country Park and passes through countryside, villages, towns, and two country parks...

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.

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.

A village trail run in the Hampshire countryside. The 10 km course offers scenic footpaths with rolling hills. A colourful kids' dash adds to the family friendly day.

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 seasonal trail run series at Cowdray Estate offering 5 km, 10 km and 10 mile races across spring, summer, autumn and winter, with a summer evening event that includes a BBQ, bar and spot prizes.

An out-and-back ultra along the traffic-free Brampton Valley Way with a county-versus-county scoring format, feed stations, two dark tunnels, and a 7 hour cut-off. Entries limited to 100 starters from each end.

A multi distance running festival at Haughley Park on 12 April 2026 offering 5k, 10k, half marathon, full marathon and ultra marathon options. The course mixes pathways, trails and woodland and includes on site parking and an aid station.

A circular 10 km trail race around the Nene Valley, starting and finishing at KC Active in Kings Cliffe. The course is waymarked and marshalled with an aid station, eco measures in place and entry via SiEntries with a £22 fee.

A 42 km trail marathon across the South Downs, starting at Stanmer Park. The unique route merges with the final stretch of the Brighton Marathon for a finish on Hove Lawns. Participants must carry mandatory kit and use a reusable cup at aid..

Run through Thetford Forest in April 2026. Choose from a 5km or 10km chip-timed trail race, with finisher medals and refreshments for all.

A fully guided **19 mile** coastal run from Holme Next The Sea to Wells Next The Sea following much of the Norfolk Coast Path. Groups run at a conversational pace with a qualified leader and a stocked aid station at halfway.

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.

The Essex County Fell Championships will take place in Buckhurst Hill on Saturday 18 April 2026. You can run 6 miles.

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.