Trail Running calendar near Welwyn 2026-2027

Choose your distance at this flexible 6 hour event outside Market Harborough. Run as many 3.3 mile laps as you like on a flat scenic course along the Griffin Trail with a taproom finish.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Test your endurance at High Lodge Thetford Forest in this classic backyard ultra. Complete a 4.167 mile loop every hour until only one runner remains or choose from 6 and 12 hour timed options.

Test your limits at this 24 hour trail relay in Wasing Park. Run as a solo athlete or in teams of up to 12 people on a scenic 8km loop through historic woodland.

A backyard ultra on private trails at Chilton Manor Farm near Chilton Candover. Runners repeat a 6706 m loop each hour until one person remains; weekend camping, on route water, medical support and race timing are provided.

Run laps through Denbies Wine Estate in the Fire Horse Run, a timed off road challenge on an undulating 5.3 km loop with distances from 5 km to ultra. Pick as many laps as you like within a seven hour window for a flexible, scenic race day.

Complete an historic 46 mile course through Cambridgeshire by foot. This annual event visits four former RAF airbases and can be tackled solo or as a team relay.

Experience the beauty of Ardingly Reservoir during this relaxed midsummer sunset run. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a fully stocked aid station.

Experience the beautiful Suffolk countryside and historic roads of Ousden in this multi terrain event. Choose from distances ranging from 5k to Ultra with a supportive base camp and bespoke finisher medals.

Experience a scenic trail run through the hilly forest paths of Wendover Woods. This event offers half marathon, 10k, and junior distances with on site amenities like a cafe and adventure playground for the whole family.

Test your endurance at this 7 km fell run featuring steep climbs and 220m of elevation. Conveniently located near the Wendover Train Station and sanctioned by the Fell Running Association it includes a post race drink for all finishers.

Experience the inaugural Alice Holt Wild Trail Runs in the wooded paths of Surrey. Choose between a 10 km or Half Marathon distance with chip timing and finishers medals included for all participants and their canine companions.

Experience a unique seaside run across the beaches of Thanet in Kent. Choose between 10 km and 15 mile routes that navigate sand, promenades, and cliff tops during low tide.

Celebrate twenty years of multisport events with this self navigated 10k trail run in East Sussex. Enjoy a route across public footpaths and hills finishing with a commemorative medal and a drink at the local pub.

A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.

Run through the scenic grounds and trails of the Royal Estate at Sandringham. This 10K event features a mix of closed roads and countryside paths with chip timing and a bespoke finisher medal.

Test your endurance at the Royal Family's Sandringham Estate in this 24 hour trail race. Run solo or in a relay team through scenic parkland while enjoying a festival atmosphere with onsite camping and live entertainment.

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal, goody bag, and special distance pins.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.