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Trail Running Calendar near Portishead 2026-2027

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Explore the top trail runs near Portishead for 2026-2027! We've gathered 118 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

December 2026
Untimed off road canal routes of 14 miles or 7.5 miles on 28 December 2026 between Bridgwater and Taunton; entry requires a £5 donation to the Canal and River Trust.
January 2027
Trail races at Wenchford Picnic Site offering 7 miles with 7 hills or a 14 mile double lap with 14 hills, on muddy forest trails with Canicross waves.
Night trail run on Brean Down offering 5 km and 10 km routes, mandatory 250 lumens head or chest torch, optional wooden finisher medal.
A 9.6 mile off road January trail run along fields, woodland and riverbank, with chip timing, a mid-course water station and a finisher medal.
A 6.3 km winter fell race near Monmouth with 350 m of ascent, mixed rough underfoot and road sections, part of the South Wales Winter Hill Series.
A midwinter mixed terrain 6.4 miles off-road race around Cosmeston Lakes Country Park organised by Penarth and Dinas Runners under Welsh Athletics licence.
M10 Cardiff at Coopers Field, Bute Park offers 10 Mile and 5 Mile races as part of the 2027 M10 Race Series with chip timing and Welsh Athletics affiliation.
Lap-based timed event on 23 January 2027 at Parc Taf Bargoed offering distances from 5 km to ultra with a 7-hour time limit and flexible rock-up starts.
Timed multi-lap run on a 2.62 mile canal out and back in Brimscombe with distances from 5 km to ultra and a seven hour limit; medals for all participants.
About 9 miles of steep, multi‑terrain running in the Slaughterford valley with roughly 900 feet of climb. Winter race scheduled for 24 January 2027.
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 9 km fell race with 550 m ascent in the South Wales Winter Hill Series, requiring navigational skills and mandatory full kit; minimum age over 16.
February 2027
Night running at Westonbirt Arboretum among over 2,500 tree species, with 5 km and 10 km options on solid trail-like surfaces.
Timed multi-lap run in Parc Taf Bargoed with 5.3 km laps and distances from 5 km to ultra, offering bespoke medals or a lower cost no medal entry.
5 km and 10 km trail style races at Westonbirt Arboretum on 7 February 2027, through areas with over 2,500 tree species; tickets sold out.
Doynton Hard Half Marathon is a cross country half marathon on 2 February 2025, organised by Emersons Green Running Club with entries opened 1 September 2024.
Mountain to city winter running events from Brecon to Cardiff featuring a 75 km ultra and a 26.2 mile marathon with unmarked mountain navigation and checkpoint support.
A one way, fully marked 70k ultramarathon along the Taff Trail from Brecon to Nantgarw. The route moves from mountain landscapes to former industrial valleys and includes coach transfer to the start, checkpoints and live GPS tracking.
Valentines themed 6 km and 12 km runs at Blaise Castle Estate in Bristol on February 14, 2027, with single and couples entries and heart finishers' medals.
Trail running 5k and 10k near Cardiff on marked multi terrain routes with medical support, marshals, finisher medals and category trophies.
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