Trail Running calendar near Welwyn 2026-2027

We have found 567 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

Experience a scenic trail run through the beautiful Hertfordshire countryside starting in the village of Sandridge. This event features a 10k route near the historic city of St Albans with a finish at the local primary school.

Experience a traffic free trail run through the historic Holdenby House estate with distances ranging from 10km to 50km. Enjoy rolling Northamptonshire views and woodland paths on this private country estate.

Trail running on the undulating, rough tracks of Ashtead Common with a 10k and a 2k kids run. Organised to raise funds for local charities and described as Britain's 'greenest' race, it encourages public transport.

Experience an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating terrain. Join several race distances or a flexible family fun run to support the maintenance of Steeple Barton Church.

SOX 10 km on 13 September 2026 at Ridgeway View Campsite near Wallingford features a multi terrain 10 km and a canicross 10 km, finishers get a medal, pint cup and free drink while fundraising supports the Thames Valley Air Ambulance.

Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.

A hilly trail race on the Bradenham Estate with a 10 km course featuring four climbs, 251 m of ascent and scenic beech woodland. The event will not run in 2026.

A single 50 miles loop through the Chiltern Hills with 5600 ft of climb, largely on trail. The race features five staffed aid stations, full medical cover, a fully marked route and a 13 hour cut off, starting and finishing at Goring on Tham..

A single-stage trail race of about 47 miles along the Cotswold Way from Chipping Campden to Painswick, featuring steep climbs, varied surfaces, on-course support, live tracking and a finishers medal.

Trail event at Suffolk Running Centre offering 5k, 10k, half marathon, marathon and ultra on social out and back routes. Aid stations every 10 km, parking included, bespoke finisher medals and a seven hour cutoff.

A single stage, approximately 102 mile trail race along the Cotswold Way from Chipping Campden to Bath, with a 32 hour completion time and route markers, support stations and medical cover on the course.

Triple Trail Races on 19 September 2026 at Loddington Farm offers 25 km, 50 km and 100 km routes across Kent's North Downs Way, Greensand Way and Weald Way, with on site race village, camping, food vendors and recovery facilities.

MacTuffX Watford on 19 September 2026 offers solo, doubles and relay entries over two interval formats, 10x400m and 10x800m. All entrants must be aged 18 or over and fees vary by category.

Trail races near Clipston on Sunday 20 September 2026 include a Half Marathon and a Country 5 mile route across bridleways and footpaths. Medals and homemade cakes are provided for all finishers.

Experience a scenic trail run through the Huntingdonshire countryside with the Ouse Valley Way Marathon and Half Marathon. These flat point to point races follow the river along a mix of grass gravel and tarmac paths.

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

Looped trail event in the Chilterns based at Henley on 26 September 2026. Offers 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking, medical support and camping at basecamp.

Pippingford Park hosts the London South East Spartan Weekend on 26 and 27 September 2026, with races from a kids course to an Ultra 50 km. The Ultra includes the British OCR Ultra Championship and a Trifecta option is available.

The Hard Yard is a 10 mile trail race at Chilton Manor Farm on 26 September 2026, using private trails and a one mile yew tree lined finishing avenue. The course gains about 240 m and includes water stations, medics and event photography.

The Endless Garden is a last-person-standing Backyard Ultra marathon. Runners tackle a 4.167-mile loop every hour from a base at The Waggoners Pub, where spectators and crews are welcome. The event includes drink vouchers and a special pub..

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