Trail Running Calendar United Kingdom 2026-2027

A 24 hour loop event in Dalkeith Country Park where runners complete a 6.7 km loop each hour; organisers recognise 10k, half marathon, marathon and ultra distances and provide on site facilities and support.

A community 10 km race in the Frome Valley starting and finishing at Elm Park Primary School in Winterbourne, with a varied terrain course on road and trails. Proceeds support Elm Park Primary School.

A community running event in Hadleigh on 25 Apr 2026 with approximate 9.5-mile and 4.5-mile courses, staggered starts, and fundraising for the Shelley Centre for Therapeutic Riding.

A social trail run of about 14 km around Endcliffe Park with post run coffee and treats at Porter Coffee. The in person event in Sharrow is organized by Outer Projects and is listed as free.

A monthly urban trail run from Hampstead Heath with 15 km and 8 km options that traverse Primrose Hill, Regent's Park and Hyde Park, finishing at the Klättermusen store for coffee and pastries.

A Backyard Ultra on private wildlife trails at Chilton Manor Farm with fields, woodland and a high point at Bugmore Hill Trig Point offering views across the South Downs. The loop returns to an event camp with signage from nearby towns.

A 15 mile trail run from the beer garden of the Ye Olde Smugglers Inne in Alfriston with two pub checkpoints offering a drink and snack; route GPX and a race narrative are provided and results appear within 24 hours.

Experience a diverse range of multi terrain races including a full marathon half marathon and 10K. This festival offers distances for all levels plus dog friendly runs and a vibrant colour fun run.

Trident Grantham Triathlon on April 26 2026 at Grantham Meres Leisure Centre is a sprint triathlon with a pool swim, a three loop bike course and a two loop run. Entry options include solo, team and aquabike, with aid stations, marshals and..

A multi-distance road event at Suffolk Running Centre on 26 April 2026 offering 5k, 10k, half and full marathon options; the marathon uses the officially measured Kirtling Route, aid stations appear every 10k and parking is included.

A blindfolded navigation challenge from an event centre in Winchester where participants are taken to an unknown location and must find their own way back on foot. Options include a non local 6 mile challenge and 10 or 15 mile routes measur..

A muddy trail run at Eastnor Castle on 26 April 2026 with 3km, 6km and 10km options, natural obstacles and marked, marshalled routes. Camping, basic facilities and event medals available; group discounts apply.

A 41.4 miles circular walking and running challenge around Coventry, mostly off-road through Warwickshire and Solihull. Open to individuals and relay teams of up to 6, with five checkpoints and a hot meal provided at the finish.

Trail runs at Scone Palace on 26 April 2026 offer 5km and 10km routes through the palace grounds, with the 10km including a lap of Perth Racecourse. The event is canicross friendly and uses live chip timing.

A scenic event at Monachyle Mhor Hotel on 26 April 2026 featuring a *10K* race and a *1K* fun run, chip timing, three water stations and medals for all finishers. The route mixes tarmac and trail through Loch Doine and Monachyle Glen.

Run for Wildlife Spring 10k is listed for 26 April 2026 on Curly's Athletes calendar and is shown as full. The listing provides name, distance and entry status but no course or timing details.

Marathon and half marathon along the traffic free Tissington Trail in Derbyshire. The out and back course climbs to Parsley Hay then returns to Ashbourne Leisure Centre, with route maps and GPX files available.

A time limited Backyard ultra on a 4.167 mile loop in Eastnor Castle Deer Park. Solo runners must start a new lap on the hour while relay teams run continuously and combine laps over eight hours.

Trail races of 10k, 21k and 42k take place in Delamere Forest with marked routes, GPX support and marshals. An event village offers food, drinks and partner freebies, and discounted event t shirts are available.

A series of organised trail races by Trail Outlaws with distances from 5K to Half Marathon, fully marked and marshalled. Series entry offers a discount and a presentation evening; routes are noted as scenic and well signposted.