Trail Running calendar near Cardiff 2025-2026

Run the scenic Brecon to Cardiff Ultra, a fully marked 70 km one way race along the Taff Trail on 1 March 2026. Enjoy epic views, checkpoint support and a finishers medal as you cross the line at Coleg y Cymoedd in Nantgarw.

Take on the Brecon to Cardiff Xtreme, a winter mountain trail offering a challenging 75 km ultra or a 26.2 mile marathon across rugged ridges. Navigation, big climbs and stunning upland views make this a true mountain test.

Run the Weymouth Bay 10K on 1 March 2026 along a mostly flat, measured seaside course from Bowleaze Cove to Pleasure Pier. Entries open for 15 plus with on day registration and proceeds support Margaret Green Animal Rescue.

Tackle the Imber Ultra, a scenic 33.5 mile multi terrain trail run around the Imber Range on Salisbury Plain, starting in Westbury. Organised as a charity fundraiser, this classic March ultra promises tough trails, great camaraderie and fin..

Challenge yourself on scenic trails at Up on the Downs on 1 March 2026, starting and finishing at Breamore House near Salisbury. Choose from a half marathon, 10k or 5k with a Canicross option and earn a finisher medal.

Celebrate St David's Day with the Dragon Run at Dare Valley Country Park 1 March 2026, a scenic lap course offering distances from 3 km to ultras. Friendly, well supported and medal for all finishers, plus goody bags and great views.

Push your limits at Haldon Horror on 1 March 2026 in Haldon Forest Park with 3 hour, 6 hour or 12 hour formats on 5 mile laps and canicross options. Medals, live GPS tracking and free photos await, just bring a headtorch.

Take on the Brave 5km and 10km on 1 March 2026 in Exmouth for cliff, coastal path and beach running, starting and finishing at Sideshore. Mixed terrain routes, great views and proceeds support the Sideshore Project.

Take on the Brecon to Cardiff Ultra, a scenic 43 mile point to point run tracing the River Taff from the Brecon Beacons to Nantgarw on the edge of Cardiff. Fully marked with checkpoints and coach transfer, this is a rewarding long distance..

Take on the Winter Green Man Ultra around Bristol's Community Forest Path with 45 or 30 mile options, solo or in pairs. Self navigated route, staffed checkpoints and a festive finish at Ashton Park with a tech tee and bespoke medal.

Explore the New Forest on scenic trails from 10 to 21 km with runner, canicross and hike options, and one dog allowed per canicross entry. Enjoy chip timing, a finishers medal, friendly marshals and a plastic free water policy.

Larmer Tree 2026 invites runners to the picturesque Larmer Tree Gardens on the Rushmore Estate in Dorset, with courses run in laps from a 1 mile fun run up to the marathon and a full colour finishers medal. Held Sunday 8 March 2026, entries..

Trail races in the Cambrian Mountains at Nant Yr Arian include a half marathon, 10 km and junior races on road free, waymarked routes. Run by Aberystwyth Athletic Club, the event supports local charities and offers food and race merch.

Tough paired trail run across Dartmoor from the East Dart Inn in Postbridge, covering about 21 km with rugged climbs and sweeping moorland views. The third race in the Winter Pairs series, it is limited to 35 pairs and is pre entry only.

Run the DirtRun Wyre Wizard Trail at Wyre Forest on 15 March 2026, choosing the Half Marathon 13 miles or Super Seven 7.6 miles through ancient trees and rolling trails. Expect marshals, race timing and a special finishers medal.

Join the Dashing Dog Charity Run at Dare Valley Country Park for scenic laps and distances from 3 km up to ultra marathon, plus a flexible 7 hour time challenge. Enjoy finisher medals, on course support and fundraising for local dog rehomin..

Finish the season in style at West Glamorgan XC League Round 5, the final 5 mile race of the 2025/2026 series at scenic Gnoll Park in Neath on 15 March 2026. Hosted by Neath Harriers, this club focused cross country event promises a fun, ch..

Join the Pendock Spring Chicken Run on 15 March 2026 for scenic Worcestershire routes with 10K, 5K and a 1K fun run for all ages. Enjoy medals, prizes and help raise funds for the local school.

Bratton Hilly 11K on 21 March 2026 invites runners to tackle a scenic multi terrain course with challenging climbs and panoramic views around Bratton, Wiltshire. Places limited to 200 and all finishers receive a medal.

Take on the Forest of Dean Spring Trails Half Marathon, a scenic way marked trail loop through ancient woodland starting and finishing at the Speech House Hotel. Organised by the local Rotary Club, it is chip timed and supports charity.