Trail Running calendar near Cardiff 2026-2027

We have found 396 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

A winter trail event at Moors Valley Country Park on 24 January 2027 offering a half marathon and 10.6 km options, with canicross choices and an eco-friendly wooden finisher medal set amid mixed woodland terrain.

A 7 to 8 mile cross country run around May Hill in Gloucestershire with steep climbs, muddy trails and an open plain at the summit. A Sunday May Hill Mayhem option adds an extra loop to total 14 to 15 miles.

A twilight trail run in Hurn Forest offering 5 or 10 mile out-and-back laps, head torches required, trail shoes recommended, and 20% of entry fees donated to Forestry England.

February 2027

A night race at Westonbirt National Arboretum on 6 February 2027, with scenic routes through tree collections and firm trail-like surfaces. Distances include 5 km and 10 km; tickets are currently sold out.

A weekend of road races in Exeter featuring a two-lap half marathon and a Riverside 5 that run along the Quayside and through Riverside Valley Park, organised to raise funds for local charities.

A Backyard Ultra near Crickhowell on 6 February 2027 with 4.167 mile mixed trail and road loops. Runners must complete eleven hourly loops and then race the twelfth; the event is capped at 12 hours and awards medals and a winner's trophy.

A 5km and 10km run through Westonbirt Arboretum on 7 February 2027, with firm trail terrain and routes through areas showcasing over 2,500 tree species. The event is family friendly and tickets are currently sold out.

A 17 mile self navigated trail run through scenic East Devon. Runners visit four distinct trig points on a course that starts and ends at the Sidmouth Watersports Hub.

A UKA measured 10 mile road race in Melksham on 14 February 2027 that runs out to Lacock. Prizes for overall and veteran categories, medals for all finishers, facilities include toilets, refreshments and two water stations.

A trail event in Dalwood on 14 February 2027 offering 10 miles, 5 km and 3 km routes across hilly, muddy countryside with river crossings. The event is licenced by the Trail Running Association and follows UK Athletics rules.

A self navigation coastal trail on the South West Coast Path around Portland offering Marathon, Half Marathon and 10k options with mandatory kit requirements and entries capped at 500.

Choose your distance from 5k to Ultra on a tough off road course at Pengethley Manor. Experience vineyard trails with a seven hour time limit and unique medal options for individuals or pairs.

A winter mountain trail event from Brecon to Cardiff featuring a 47.5 mile ultra over 11 summits and a 26.2 mile marathon from Merthyr, both on unmarked routes with GPS navigation and staffed checkpoints.

A 43 mile point to point ultra from the Brecon Beacons to Nantgarw near Cardiff, following the Taff Trail through upland reservoirs and former railway and canal corridors. Five manned checkpoints and a midway drop bag at Merthyr are provide..

A timed event on a 2.62 mile out and back canal route with flexible rock up and run starts. Distances range from 5 km through marathon and beyond, with a seven hour time limit and a finisher medal for all.

A fully supported winter traverse across Dartmoor offering a 50 km route and a 30 km option, mainly off road through remote moorland with on course guides, GPX support and included GPS tracker hire.

Two Tunnels in Bath on 21 February 2027 offers many distances and runs through two long restored, lit and surfaced railway tunnels under the city, with start and finish at Brickfields Park and a charity contribution to Sustrans.

Winter Trails 10k returns to Dartington Estate on 21 February 2027. The 10 km trail follows riverside and woodland paths with likely mud and some hills, a two hour cut-off, medals and prizes, parking nearby and a cafe on site.

A night trail event from South Brent Old School Community Centre offering marked 9 mile and 5 mile courses across moorland and paths. The event includes food, live music, a shared sauna and a King and Queen of the Night beacon with a prize.

Experience the rugged terrain of Dartmoor with trail races starting from Widecombe in the Moor. Choose between a 7 mile run, a half marathon, or a 30 mile ultra featuring steep ridge ascents and granite tors.

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