Trail Running calendar near Welwyn 2026-2027

We have found 574 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

Enjoy a flexible seven hour timed challenge along the scenic River Thames in Egham. Run as many laps as you choose to earn themed medals and distance pins on a flat and fully signed course.

A Friday running event on a flat 5.3 km out-and-back riverside lap near Walton on Thames offering distances from 5 km to ultra and finishers' medals including spinning Rubber Ducky designs.

A family friendly inflatable obstacle run in Coventry offering 2.5k, 5k, 10k and 15k routes with giant inflatables, music zones, on-course water, a finisher's medal and food vendors on site.

A timed, lap format run along The Itchen Way in Winchester with a professionally measured, permitted course. Runners may complete multiple 2.62 mile laps up to ultra distance and receive a bespoke finisher's medal and aid station provisions..

An obstacle 5k at Priory Park, Bedford on 25 July 2026 featuring climbs, crawls and muddy obstacles. Organised by Cancer Research UK, it uses staggered wave starts, has basic on site facilities and is not suitable for wheelchair users.

A one-lap 10K trail run through historic Garendon Park on Sunday 26 July 2026, with chip timing, water stations and a technical T shirt for finishers. Limited to 400 entrants and open to participants aged 15 and over.

Trail races from Queen Elizabeth Country Park across sections of the South Downs Way, offered at 12K, 25K and 50K, with marked routes, stocked aid stations, marshals and a serviced event village plus chip timing and finish medals.

A daytime trail event at Denbies Wine Estate in Dorking offering marathon, half marathon, 10K, 5K and kids races. Routes run through rolling Surrey hills with marked sections and a partly self navigated marathon course.

A circular half marathon trail run on the Ridgeway that visits Ashdown House and the original White Horse Hill. The route is described as undulating and the event is held under UK Athletics rules with a Trail Running Association permit.

Trail races at Summerleaze Park near Maidenhead offer 5K, 10K and a half marathon on flat, soft-trail terrain beside Summerleaze Lake. The event includes chip timing, medals and race photos and supports Maidenhead United Community Trust.

A 7.5 km trail loop around Westfield with over 80 percent trail, fully marked and marshalled, with toilets and parking at Westfield Community Hall. Entries are limited to 60 people and running with dogs is not permitted.

A new 10 km trail race at Langdon Nature Discovery Park on 26 July 2026, with a kiddies race, limited parking and funds raised for local conservation and health charities.

August 2026

A looped trail event from Guildford across the North Downs in Surrey offering 50 km, 25 km and 10 km options with covered rest stops, GPS tracking, medical support, camping and shuttle transfers, plus a finishers medal and t shirt.

MacTuffX London at Finsbury Park on 1 August 2026 combines ten prescribed Xercises with either 10x400m or 10x800m running, offered in Solo, Doubles, and Relay formats; a LITE weight division is available and entrants must be 18 or over.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

A trail marathon and half marathon on part of the Vanguard Way national trail on Sunday 2 August 2026, featuring varied parkland and North Downs terrain, course maps, photos and published results.

A volunteer run 10 mile multi terrain race on the South Downs with mile markers, two water stations and prize categories. The event includes a free kids fun run and on site refreshments with homemade cakes.

A four-day, 184-mile Thames Path ultra from the river source to the Thames Barrier with daily stages, included accommodation for days one to three, bespoke finisher medals and compulsory mandatory kit and minimum pace requirements.

A 57 mile point to point ultramarathon along the Thames Path from Kemble to Oxford with four checkpoints, mandatory kit requirements and a minimum average pace of 4.0 miles per hour. All finishers receive a bespoke medal and an MTC head vis..

A 49-mile point-to-point ultramarathon from Travelodge Oxford Abingdon Road to Henley-on-Thames along the Thames Path, with three checkpoints supplying water and food. Finishers receive a bespoke medal and a technical t-shirt, mug or hat.

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