Trail Running calendar near Sunbury-on-Thames 2026-2027

Self-navigation trail races from Felsted as part of a four-day Easter series. Two routes, about 9 miles and 5 miles, run under UK Athletics rules with no markings, no GPX and no dogs allowed.

Take on the Unbreakable Treasure Run on 5 April 2026 at Xcel SPORTS HUB, Walton on Thames, running timed laps along a flat riverside towpath from 5 km to ultra. Limited places and a 7 hour time cap make this a focused challenge with a keeps..

A two-lap, mostly off road 10 km from Mortimer Fairground, set on woodland footpaths and bridleways. A dog-friendly canicross option runs the same distance; the event features chip timing, photos, medals and on-site facilities.

A multi-terrain single lap of about 8 miles with 900 feet of ascent around Freshwater and Alum Bay, based at West Wight Sports Centre; limited entries and age 16 minimum.

A five mile mixed terrain loop around Hall Barn Estate with race HQ at Beaconsfield Rugby Club on 6 April 2026. Trail shoes are recommended; chip timing, waymarking, marshals and first aid are provided.

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.

A 54-mile circular ultra from Brixworth Country Park across Northamptonshire trails, roads and towpaths, with a 26.2-mile Rosebud Marathon option, relay legs, six aid checkpoints and real-time GeoTracks tracking.

The 50 Mile Grand Slam 2026 challenges runners to complete four 50 mile ultras across the UK trail calendar. The series spans from April to November, covering iconic routes like the South Downs Way and Wendover Woods. It is a demanding test..

A 50 mile trail race from Worthing to Eastbourne along the South Downs Way, featuring 5700 feet of climb, seven aid stations, mandatory kit checks and a 13 hour cut off, finishing with a lap of the Eastbourne athletics track.

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 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.