Trail Running calendar near Semington 2026-2027

The final race of the 2026 RTT Series takes place in Afan Forest with separate 5 km and 10 km routes from Bryn Bettws Lodge. The event features chip timing, finisher medals, marked and marshalled routes and water stations.

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.

A lap based road event at Rhydycar, Merthyr Tydfil, on a 5.3 km AUKCM certified tarmac circuit along the Taff Trail. Runners choose how many laps to complete within a seven hour limit and can opt for a no medal entry.

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 near High Wycombe, set on woodland and rural paths with significant climbs and some muddy sections. The course is fully marked, includes a water stop at 5.3 km, chip timing and a finisher souvenir..

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 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.

A festive trail running event at Moors Valley Country Park on 6 December 2026, offering a 2 km fun run for children plus 5 km and 10 km trail races; on-site parking is available for £5 and entry fees range from £12 to £26.

A 10 km trail championship at Wendover Woods on 6 December 2026, open to qualified Runaway Racing finishers, age category winners and volunteers. The route is marked and chip timed with a 200 runner limit.

A 12-day consecutive running challenge at Pengethley Manor, Ross-on-Wye, with daily choices from 5k to ultra on a 2.5 km lap offroad course. Each day has a unique medal and there are in-person and virtual entry options.

Part of a themed Christmas series at Pengethley Manor, this offroad event offers distances from 5k to ultra with a seven hour completion limit and both on site and virtual entry options.

Part of a 12-day Christmas race series at Pengethley Manor, offering 5k, 10k, half, marathon and ultra options on a 2.5 km lap off-road course. Walkers and runners have a seven hour time limit and paid entries receive a medal.