Trail Running calendar near Berkhamsted 2026-2027

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

A team endurance event covering 100km along the South Downs Way in under 30 hours, with standard teams of four plus support crew and a new relay option for 2026. Teams raise funds for the Gurkha Welfare Trust.

A bi-annual trail and country lane race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra options. Routes follow the reservoir and include mapped GPX routes and course information.

A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span **10 km** to **100 km** with rest stops, catering, medical support and GPS tracking via an event app.

A Backyard Ultra at High Lodge, Thetford Forest where runners complete a *4 miles 880 feet* loop every hour; full, 12 hour and 6 hour entry options are available, with camping, basic aid station and chip timing.

Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.

A charity ultramarathon along the Essex riverside on 12 September 2026, offering 10, 30 and 50 mile routes with marked trails, medical cover and checkpoints. Proceeds support Prostate Cancer UK.

A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.

An 81 mile ultra on the Bunyan Trail in Bedfordshire run as a single loop within 24 hours. The runnable course links villages, has seven aid stations, live tracking and guided recce weekends to preview the route.

A *10 km* trail race around Cleveland Lakes organised by the Cotswold Lakes Trust, run on flat tree lined paths with water views. Participants must be 15 years or over and agree to the event terms.

Autumn Wolf is a two day trail event in Warwickshire on 12 and 13 September 2026, featuring adult 10K and 5K routes plus junior 6K and 3K races across woodland, fields, streams and mud.

Phoenix Running Bedfordshire's Pick n Mix on 12 September 2026 uses a 5.3 km lapped course at Mowsbury Park. Runners choose distances from 5 km up to ultra with a flexible one hour start window and a seven hour time limit.

A trail running event on 13th September 2026 in Seale, based at Myrtle’s Courtyard, with marathon and half marathon routes along the Pilgrims Way and North Downs Way that raise funds for local charities.

On 13 September 2026 the Alf Shrubb Memorial returns to Slinfold with chip timed 10k and 5k trail races plus children’s races. The event finishes at Slinfold Cricket Club, supports local causes and awards a replica Alf Shrubb medal to finis..

A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.

TrailFest at Holdenby House offers four traffic free trail distances inside a private estate, with routes on farm tracks, field edges and through a small wood, plus rolling hills and open countryside views.

A community 10 km race and 2 km kids fun run across the undulating rough tracks of Ashtead Common, raising funds for local charities and held with permission of the local land managers.

An annual fun run in Steeple Barton offering 10 km, 5 km and a fun run on undulating on and off road courses through lanes, fields and the Barton Abbey Estate. Proceeds support Steeple Barton Church.

A multi-terrain 10 km and canicross event near Wallingford on September 13, 2026, featuring off-road trails, two water refill stations, and a finish at Ridgeway View Campsite with a medal, pint cup and a free drink. Event supports Thames Va..

Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.