Trail Running calendar near Swindon 2026-2027

A seasonal trail running series at Cowdray Estate featuring 5km, 10km and 10 mile races across spring, summer, autumn and a winter night run, with a dedicated kids series and a summer event that includes a BBQ and bar.

An inflatable obstacle-course event at Heath Park Cardiff on 27 June 2026 offering 2.5k 5k 10k and 15k lap-based options, on-course water, onsite facilities and family-friendly entries with charity partners involved.

Trail running at Cranleigh Showground on 27 June 2026 with five marked routes through Winterfold, Hurtwood Forest, Leith Hill and the North Downs Way; distances range from 5 km to 52 km and routes have varying outpost support.

Single-loop off-road races at Matterley Estate in the South Downs National Park on 27 June 2026. Choose 10km or a 21km half marathon over gravel, grass and woodland with chip timing and a finishers medal.

A family festival at Culden Faw Estate on June 27, 2026, focused on a children's obstacle course and a lively event village with food and activities. Race options include two youth OCR categories and a festival-only entry.

Cheltenham Pretty Muddy 5k at Cheltenham Racecourse on 27 June 2026 is a 5k obstacle course over grass, woodchip and paths with wave starts. Entry fees apply and participants support fundraising for cancer research.

A new hill race at the Tintern Village Fete covering 4.2 km with 215 m ascent. The route starts and finishes in the fete field, climbs via a stone staircase and forestry road, and returns along the Shorncliff Climbers Path.

RunThrough Marlow Trail Run on 28 June 2026 features off-road Half Marathon, 10K and 5K routes around the Thames Valley, with marked trails, chip timing, free photos and a themed medal.

A multi-distance trail running day at Salcey Forest near Northampton offering 10K, half marathon, marathon and 50 km on mostly hard-packed forest trails. The event is cupless, no dogs are allowed, and all finishers receive a medal and drink..

The Snickerthon offers 5k (ish), 10K (ish), half marathon and marathon options around Chasewater Country Park. The multi lap route uses paths and footpaths, includes aid stations and a finisher medal and may feature deer sightings.

A countryside trail run at 3 Brewers Brewery in Hertfordshire offering 10 km and 5 km options on mostly off road terrain. Finishers receive a medal, a pint cup and a free drink while the event supports local charity Earthworks.

Silsoe Stride on 28 June 2026 features scenic 5K and 10K races plus children’s runs at Wrest Park. The event is organised by village volunteers and community groups with profits shared among local beneficiaries.

A point to point 50K trail ultramarathon on the Hangers Way from Alice Holt Country Park to Queen Elizabeth Country Park, with signed trails, aid stations, coach-to-start option, mandatory fluid kit and a 9 hour cut-off.

A Half Marathon at Box Hill Fort (Tadworth) on 28 June 2026 with more than 3000 feet of ascent and descent. The route runs mainly on rough tracks and offers views over the North Downs, the Mole Gap, Denbies Vineyard and Dorking.

A 5.3 mile trail race around Ashridge Woods in Albury on 28 June 2026, organised by Aldbury Sports Club with marshals, water on course and post-race refreshments. Entry fees differ for affiliated and non-affiliated runners.

A ten leg team relay along The Ridgeway, one of England's National Trails covering 86.5 miles. The off road, hilly route finishes in Marlborough and teams compete for the shortest total time with rules on leg composition.

A community run on 28 June 2026 at Damerham Sportsfield with fully marked, mostly off-road 5 km and 10 km routes plus a children's colour run, medals and category trophies, parking, food stalls and first aid cover.

A 5k obstacle event on Blackheath Common on 28 June 2026 organised by Cancer Research UK. Participants aged 13 and over tackle muddy obstacles at their own pace while supporting cancer research.

Community running at Bromyard Rugby Club with a chip timed 10 km, a junior 2 km for ages 4 to 15 and a non competitive fun run. Food vendors, marshals and first aid cover support the event and results are published afterwards.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Group paced on hilly trails with sunset and night options, equipment trials, and an alcohol free beer offered subject to availability.