Trail Running calendar near Welwyn 2026-2027

A multi distance event along the Thames Towpath from Putney Bridge to Henley, with rest stops, GPS tracking, catering and medical support. Options include solo or team entries and a weekend festival of related walks.

A forest backyard ultra at High Lodge where runners complete repeated 4.167 mile loops every hour until a single finisher remains. The event also provides 6 hour and 12 hour timed options and chip timing.

A chip-timed trail event in the Surrey Hills offering 10k, 21k and 42k routes with marked courses, aid stations, finishers' medals and an event village at Shere Recreation Ground.

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 single loop ultra on the Bunyan Way in Bedfordshire with a 24 hour cutoff, 1,219 metres of climb and seven aid stations. The runnable country route features live tracking, medical cover and a bespoke finisher medal and T shirt.

A scenic trail 10 km route around Cleveland Lakes organised by the Cotswold Lakes Trust, featuring flat tree lined paths and water views. Participants must be 15 years or older and accept the event terms and conditions.

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.

A multi-terrain trail race from Rye Sports Centre in East Sussex offering 30k (slightly over 30 km) and 15k routes through the High Weald AONB. The course links historic churches and passes woodlands, orchards, country lanes and coastal vie..

A village trail event in Slinfold on 13 September 2026 featuring chip timed 10k and 5k races plus children races. Races finish at Slinfold Cricket Club with refreshments, a licensed bar and replica medals for finishers.

Experience a scenic trail run through the beautiful Hertfordshire countryside starting in the village of Sandridge. This event features a 10k route near the historic city of St Albans with a finish at the local primary school.

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.

An annual trail event on rough tracks around Ashtead Common offering a 10K and a 2k kids run while raising funds for local charities. The undulating course forbids earphones and encourages low impact travel to the nearby train station.

Experience an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating terrain. Join several race distances or a flexible family fun run to support the maintenance of Steeple Barton Church.

SOX 10 km on 13 September 2026 at Ridgeway View Campsite near Wallingford features a multi terrain 10 km and a canicross 10 km, finishers get a medal, pint cup and free drink while fundraising supports the Thames Valley Air Ambulance.

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.

The The Harvathon will take place in Offley on Sunday 13 September 2026. You can run between 5 and 420 texts.unit_min.

A single-loop 50 mile race in the Chilterns on 19 September 2026, featuring about 5600 ft of climb, five aid stations, full medical support and a marked course; organised by Centurion Running from Goring Village Hall.

A single stage trail running event of about 47 miles along the Cotswold Way National Trail from Chipping Campden to Painswick. The route uses public rights of way, features varied terrain, has food stations and live tracking, and a 15 hour..

Trail event at Suffolk Running Centre offering 5k, 10k, half marathon, marathon and ultra on social out and back routes. Aid stations every 10 km, parking included, bespoke finisher medals and a seven hour cutoff.