Trail Running calendar near Portishead 2026-2027

Pretty Muddy 5k at Sandwell Valley Country Park on 13 June 2026 is a muddy obstacle course with staggered wave starts and a minimum fundraising target. Facilities include toilets and refreshments but it is not wheelchair accessible.

An evening trail run at Bodenham Arboretum offering 5km or 10km routes over multi-terrain, raising funds for local charities with limited online-only entries and basic on-site facilities.

A fell race held since 1986 at The Whistle Inn near Garn yr Erw, Blaenavon, with an 8 km/300 m ascent option and a 5/984 ft option. Entries are accepted on the day or online and runners should carry appropriate safety kit.

A backyard ultra at Breakheart Quarry in the Cotswolds where runners repeat a 6706 m loop every hour until one person remains. Camping and on-site facilities are provided; early bird entry is £75.

Trail races on 14 June 2026 in Cheddar Gorge and the Mendip Hills offer distances from 1 km to Marathon plus an Omnium multi event. Courses include marked trails, varied terrain, frequent feed stations and event medals for 6 km and longer.

Trail races in Kingsclere, Hampshire on Sunday 14 June 2026 with marathon, half marathon and 10k on clearly marked single-lap off-road courses. Marshals are stationed along the routes and parking is available nearby.

A 10 km trail race on the private Lulworth Estate in south Dorset, combining a village fête atmosphere with a scenic, hilly course on chalk downland and woodland paths. Proceeds benefit the Coombe Keynes Trust.

Run as many 3.28 mile laps as you wish along the scenic Stroud Waterways canal. This flexible timed event caters to all distances from 5k to ultra marathon with a seven hour time limit and a relaxed start window.

Green Lantern is a mixed terrain event around Exeter following the Green Circle. Runners choose direction on entry and may do a 14.2 miles main route or a 9 miles Yellow Zone; both start together.

A community cross country 5km run and walk around Neptune and Paradise Wood with refreshments at The Plough and category awards across age groups. Walkers may bring dogs on leads and entries are limited to 250.

Multiple-distance ultraruns along the Jurassic Coast World Heritage site, with routes on the South West Coast Path from 33 km up to 105 miles, live GPS tracking, staffed aid stations and finisher awards.

A weekend festival at the Pinkery Centre in Exmoor National Park with trail runs, long walks, a sunset swim, guest speakers, social evenings and film screenings, featuring distances from 1.5 km up to 30 miles.

A Malvern Hills event on 20 June 2026 from Colwall Village Hall offering 27 miles (about 5000ft ascent) or 15 miles on tracks and paths, with checkpoints, snacks and a hot finish meal; entries open Oct 31 2025.

A self-navigating trail event on 20 June 2026, finishing at Ludlow Castle, offering a ~30 mile ultra and a ~14 mile half across mixed terrain in the Marches of England.

MacTuffX Bristol on 20 June 2026 is a functional fitness race at Stoke Gifford offering solo, doubles and relay formats across two distance options, with gender-specific weights and a LITE division for reduced loads.

A muddy 5k obstacle event at The Common in Southampton on 20 June 2026 where participants aged 13 and over climb, crawl and slide through a marked route while raising funds for cancer research. Waves start every 15 minutes.

A 5 km obstacle event on The Downs in Bristol on 20 June 2026 where participants aged 13 and over climb, crawl and slide across a mainly grassy course. Waves run every 15 minutes, a fundraising target of £50 applies and finishers receive a..

A 34 km fell race in the Brecon Beacons with 1700 m of ascent visiting eight summits and run anticlockwise. The 2026 route adds Fan y Big, moves the finish to Talybont on Usk, and includes two timed cutoffs and strict navigation requirement..

Test your resilience in this 12 hour endurance challenge through the wild beauty of Dartmoor National Park. Run or walk as many 12 km laps as possible to support North Dartmoor Search and Rescue.

A 10 km trail run at Twisted Tree Brewery on the Tusmore Estate near Bicester. Mostly off-road with a canicross option, chip timing, medal, pint cup and a free drink included.