Trail Running calendar near Swindon 2026-2027

BigSea on the Isle of Purbeck starts and finishes on Knoll Beach and offers Half Marathon, 18 Mile, Marathon and 54k routes across the Purbeck Hills and coastal landmarks. Aid stations provide snacks, water and vegan options and PH 1000 ele..

A forest trail event at Wendover Woods offering a hilly multi-lap 10 km course with Half Marathon, 10k and Junior Run options, on-site facilities for spectators, route maps and GPX files, and medals plus free photos for participants.

A backyard ultra at Breakheart Quarry where runners repeat a **6706 metre** loop every hour until one person remains; the event includes camping, marked trails and on course support in the Cotswold countryside.

A multi-distance trail event around the Cotswolds from a Cirencester basecamp on 12 to 13 June 2027. Distances range from 10 km to 100 km with staffed rest stops, GPS tracking, camping, medical support and finisher kit.

A 5k obstacle course at Sandwell Valley Country Park on 12 June 2027 featuring grass, paths and woodland with multiple obstacles. Organised by Cancer Research UK, participants fundraise with a minimum target of £50.

An urban ultramarathon from a central London Run HQ with three distances including a 100km route that visits 100 plus landmarks. The event emphasises accessibility, on-course checkpoints, medals and a Top 100 finishers list.

A scenic off road race day around Cheddar Gorge and the Mendip Hills with distances from 1 km to a UTMB indexed Marathon and Half Marathon. Marked trails, multiple feed stations and large event medals for 6 km and longer.

Race to the King is a trail ultramarathon at West Dean Gardens on 19 June 2027, offering 30 km and 50 km loop options plus 80 km and 100 km non stop circuits across the South Downs Way and Monarchs Way with timed results and support.

A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.

A muddy 5k obstacle course around The Common in Southampton where participants climb, crawl and slide through obstacles while raising funds for cancer research. Waves run every 15 minutes and participants must be 13 or older.

Point to point trail races through Bucks, Beds and Northants with a 50 mile ultra and a marathon option. Waymarked routes, amended GPX for the ultra, checkpoint cut offs and mandatory kit requirements are in place.

A 24 hour lap event near Caldecotte Lake in Milton Keynes offering individual and team entries, junior options and camping. Facilities include showers, marquees, free drinks and snacks, with hot food available on site.

Hydra 75 Mile Ultra is a 75 mile off road loop race at Denbies Wine Estate offering a single 1 mile lap, chip timing, and up to 30 hours to finish. Multiple distances and timed events take place on the same course.

A 100 mile off-road ultra at Denbies Wine Estate on 19 June 2027 using a flat one mile loop, full chip timing and multiple race options including 50 and 75 miles plus timed events.

A timed off-road Marathon and Half Marathon at Denbies Wine Estate near Dorking on a flat 1 mile loop with a flexible start window, up to 30 hours to finish, chip timing and a physical memento for all entrants.

At Denbies Wine Estate on 19 June 2027 runners complete one mile on the hour for 24 consecutive hours. The attended event includes chip timing, onsite tent camping and a substantial finisher medal and runs alongside a virtual option.

A 50 mile off‑road ultra at Denbies Wine Estate run on a flat-ish 1 mile loop. Chip timed, up to 30 hours to finish, with multiple distance options and a well stocked aid station.

A timed endurance event at Denbies Wine Estate where participants run one mile on the hour for 12 consecutive hours. Attended and virtual options run simultaneously and places for the attended event are limited.

A trail half marathon at the National Trust Dunstable Downs on 21 June 2026, covering 21.2 km with roughly 450 m of climb. The course is waymarked and supported with aid stations at 6.7 km and 13.7 km.

The Inflatable 5K - Cardiff will take place in Cardiff on Saturday 26 June 2027. You can run between 5 and 15 kilometers.