Trail Running calendar near Welwyn 2026-2027

TrailFest at Holdenby House on 13 September 2026 offers four traffic free trail distances from 10K to 50 km on estate tracks and woodland, with varied terrain and open views across Northamptonshire.

This charity 10k and kids' fun run takes runners on an undulating course through the scenic and protected Ashtead Common. Organized to fund local causes, it’s promoted as Britain's 'greenest' race, with a strong emphasis on sustainable trav..

A hilly trail event on the Bradenham Estate with 10 km and 5 km routes through beech woodland and open fields. The timed courses include aid, medical cover and photography with prizes for individual and team finishers.

A single loop 50 mile race through the Chiltern Hills with 5600 feet of climb, five stocked aid stations, medical support and a 13 hour cut off, starting and finishing at Goring on Thames.

Race 47 miles along the Cotswold Way from Chipping Campden to Painswick, traversing the rolling hills of the Cotswolds Area of Outstanding Natural Beauty. This licensed continuous trail challenge runs under UK Athletics and TRA rules.

A multi-distance trail event at Suffolk Running Centre offering 5k, 10k, half, marathon and ultra options. The out and back course uses the Gallops Route and Golding Hills, with aid stations every 10k and parking included.

A single stage non stop trail run of approximately 102 miles along the Cotswold Way from Chipping Campden to Bath. The route is very hilly with varied surfaces and includes live tracking, aid stations and medical support.

Explore Kent's countryside on the Triple Trail Races, with 25 km, 50 km and 100 km options that thread the North Downs Way, Greensand Way and Weald Way past woodlands, orchards and Leeds Castle. Finish at Loddington Farm race village with f..

Trail races around Clipston offer a half marathon and a 5 mile country run across bridleways, footpaths and minor roads. The course gains 237 m and all finishers receive a medal and homemade cake.

A marathon and half marathon along the Ouse Valley Way in Huntingdonshire on 20th September 2026, finishing in Earith. Both routes are very low elevation and run on grass, gravel and tarmac with route maps and GPX files available.

A looped trail event in the Chilterns with a 50 km main route plus 25 km and 10 km options. Henley Showground basecamp offers camping, catering, shuttle services, rest stops, medical cover and GPS tracking.

A 10 mile trail race at Chilton Manor Farm with a one mile yew tree lined finish, mixed off-road terrain and views toward Winchester and the South Downs. Entry includes a sustainable finisher medal, timed results and water stations.

An autumn farm run in Colchester offering 10K, 5K and a family 1K on mostly flat, traffic-free farm tracks with chip timing, an event village and on-site parking.

Run Sandringham on 27 September 2026 is held at Sandringham Estate and offers a Half Marathon, 5K and Community Mile over trails and closed roads. The route passes Sandringham House and the event uses refill stations as a plastic free race..

Volunteer run charity 10k and 3k in Grantchester on 27 September 2026 supporting Maggie's Centre Cambridge and ACT. Courses run on farmland with chip timing, medals for finishers and on site refreshments.

A ten mile traffic free trail race at Eridge Park on 27 September 2026 with steep climbs, muddy sections and varied scenery. Organised by Tunbridge Wells Harriers, finishers receive a memento plus cake and a pint.

The Kingfisher Challenge is a flexible six-hour trail run at Coombe Abbey Park. Participants choose their distance by completing laps of a flat 5k course through woodlands and meadows. The event offers a unique tree token alternative to the..

South Downs 100 mile (Autumn Event) The South Downs 100 mile is a single-loop trail race through the South Downs National Park. The race starts at Plumpton Racecourse near Lewes in East Sussex. The route features rolling hills with over 12,..

This flat and scenic 50k ultramarathon runs point-to-point from Moors Valley Country Park to Hengistbury Head on 3 October 2026. The multi-terrain course features forest trails and seafront paths. It includes four feed stations, tracking op..

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.