Trail Running calendar near Cardiff 2025-2026

Join A Nightmare Before Xmas Trail Half Marathon in Bridgend for a festive, spooky run across muddy, technical trails, steep climbs and rewarding views. Only 50 spots with mulled wine, mince pies, a medal and best fancy dress prize.

Celebrate the season at the Slow and Dirty, a family friendly trail race along a converted branch railway near Sturminster Newton, with a level 19k course or 11 mile option. Scenic Stour Valley running, dogs and buggies welcome.

Join the Christmas Carol Bobble Hat Run at Dare Valley Country Park, a festive seven hour time challenge where you can run or walk as far as you like. Scenic laps, on course snacks, and a bobble hat for finishers make it a fun end of year e..

Tackle the Midwinter Mortimer Trail on 27 December 2025, a scenic mixed surface challenge from Ludlow Castle to Kington through forests, limestone tops and ridges. Choose the 30 mile Ultra or the Croft 15 for a memorable winter adventure.

Take on Plain Crazy Winter, a 12.5 mile road and trail challenge on 29 December with hilly, scenic and wintry terrain and a bespoke finisher medal. The race supports the Royal British Legion and entries are limited, so book early.

The Bell Challenge Day 5, organized by Running Events Devon, takes place on January 2, 2026, in Exmouth at Capel Lane. This 7-hour timed event features a mainly flat, accurately measured 5.3 km out-and-back course on a scenic, disused train..

Run from Budleigh Salterton along the Jurassic Coast and Otter valley with two distances, 13.6 miles or 8.5 miles. Open to runners and walkers, expect mud and hills, friendly marshals and aid stations and a solid oak coaster for finishers.

Take part in Bodenham Bound at Bodenham Arboretum near Kidderminster in January, choosing 5 km or 10 km trail routes. Tackle muddy hills and wintery trails, earn a finisher medal and donut, and support Kemp Hospice and Harkaway Scouts.

Take on upland trails in the Elan and Claerwen Valleys with an annual 12 and 20 mile walking and running challenge. Parts of the route are waymarked and map reading skills are needed; route maps and GPX files are sent to entrants in advance..

Take part in Festive 5 on 11 Jan 2026, a 5 mile off road run along the River Avon through Fladbury and Lower Moor. Organised by Friends of Fladbury, this fundraiser offers free cake, spot prizes and supports local community projects.

Enjoy scenic off road laps around Pengethley Manor and its vineyards, with a cheeky hill and rolling ups and downs. Choose distances from 5k to ultra, walk or run at your pace within a seven hour limit and earn a finisher medal.

Take on the 7 Deadly Sins 7in7, a seven day challenge at Pengethley Manor in Ross on Wye from 12 to 18 January 2026. Run or walk varied distances each day on a hilly 2.5 km off road lap and collect a unique medal daily.

The Proud Run at Pengethley Manor on January 13 invites runners and walkers to tackle laps through vineyards and a testing hill, choosing distances from 5 km to ultra. Off road, scenic and inclusive, entrants must finish within seven hours.

Lusty Run at Pengethley Manor invites runners and walkers to tackle scenic off road laps through vineyards and a testing hill. Choose distances from 5k to ultra or take part virtually with a personalised bib and medal.

On 15 January 2026 the Angry Run invites runners to tackle an offroad looped course at Pengethley Manor, choosing distances from 5k to ultra. Expect rolling hills, vineyard trails and a friendly festival atmosphere.

Tackle the Gluttonous Run at Pengethley Manor, part of the 7 Deadly Sins series on 16 January 2026. Pick 5k to ultra and brave a tough off road loop through vineyards with a hill each lap, or opt for the virtual challenge.

The Greedy Run at Pengethley Manor on Saturday 17 January 2026 invites runners and walkers to choose from 5k up to Ultra on an offroad loop through vineyards and rolling hills. Race day has hot drinks, food, free parking and a finisher meda..

Run a winter night trail at Haldon Forest Park on 17 January 2026 with 5K, 10K, 10K canicross and fun kids 1K and 2K. Fully marked and chip timed with medals, food, photos and post race beer, so bring a head or chest torch.

Run the Maverick New Forest Gravel at Holmsley Campsite, Burley, through ancient woodland with 6 km, 12 km and 22 km routes. Enjoy scenic gravel trails, some mud and short climbs for a true forest challenge.

Tackle the Envious Run on 18 January 2026 at Pengethley Manor, a scenic offroad loop through vineyards with a hill each lap. Choose any distance from 5k to ultra or run virtually in January for a finishers medal.