Trail Running calendar near Long Wittenham 2026-2027

A short but steep fell race near Llanfoist and Abergavenny covering 5.7 km with 485 m of ascent. The course is mostly unmarked, needs basic navigation and can be affected by poor weather.

Guided 30 mile trail run from Haslemere along the Serpent Trail and Sussex Border Path with varied heathland, woodland and views of the South Downs. Group based pace and advised prior training of 22 miles; cost £45.

Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

Trail races at Mapledurham Estate offering 10K, 10 Mile and Half Marathon routes over muddy paths and woodland, with on-course water, finish refreshments and race amenities included.

A late November trail race through 600 acres of dense woodland at Charborough Estate offering a 10 km loop, a 21 km double loop and a relay for two runners. Expect rough rooted trails, one aid station and a marked course.

Trail 5K and 10K races at the Tewinbury estate in Hertfordshire featuring undulating dirt, grass and woodland trails, full waymarking with marshals, a midcourse aid station and chip timing for up to 400 runners.

A trail half marathon around Hughenden Manor on mostly forest paths with undulating terrain, waymarking and three aid stations. Entry includes chip timing, a finisher souvenir and on-course nutrition.

A 10 km trail race around Hughenden Manor in the Chilterns, with hilly woodland and rural sections, waymarked routes and a water stop at 5.3 km. The event base offers parking, toilets and a cafe.

Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.

A guided trail run around Box Hill designed to gain over 1000 metres of elevation in a short distance. It features technical climbs and group pacing with a provided kit list and optional trail shoe testing.

Coastal 10 Mile and 10k runs from Hengistbury Head along Bournemouth seafront and Boscombe Pier, with largely flat, traffic-free paths, chip timing, water stations and a finisher's medal.

Trail races of 10K, half, marathon and ultra run from Swanage along the Jurassic Coast Path on 5 December 2026, on trail and grass terrain with significant ascent; online check-in and mandatory safety briefing are required.

A 50 km trail ultramarathon from Dorking along the Greensand Way through the Surrey Hills, with a 5 mile loop, marked and supported aid stations, electronic timing and a finisher medal.

Part of a 12 Days of Christmas series at Pengethley Manor in Ross on Wye offering 5k, 10k, half marathon, marathon and ultra distances on a tough off road loop. Runners and walkers have seven hours to complete their chosen distance with vir..

A winter trail running festival at Holmesly Campsite in the New Forest on 6 December 2026, offering 15 km, 30 km, marathon and 50 km one lap off‑road courses with marked routes, bag drop and mandatory kit requirements.

A festive trail event at Chasewater Country Park featuring 10k, 5k and a junior run, raising funds for Shelter, with bespoke medals, photos, prizes and onsite parking.

A 10 mile canicross loop at Grafham Water on 6 December 2026, following reservoir paths, woodland and the dam wall. Dog friendly with required harnesses, aid station water bowls and finishers medals plus a dog charm.

Bauble Bimble at Ferry Meadows is a four or six hour multi‑terrain event on a 5.3 km lap, letting runners cover distances from 5k to ultras with an aid station each lap and an event medal.

A festive 5 km off road Santa Dash at Tinkley Gate raising funds for Allsorts. Costumes, dogs on short leads and a 2.5 km one lap option for younger participants make this a family friendly event.