Trail Running calendar near Brentwood 2026-2027

Explore the scenic trails of the Surrey Hills on a guided half marathon. The route changes each time but always features iconic spots like St Martha's Hill. Choose from weekend runs or a special summer evening adventure.

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.

Test your limits at Chilton Manor Farm with a 4.16 mile trail loop every hour. Enjoy exclusive access to private Hampshire trails and a supported camping village until only one runner remains.

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.

A lively fell race on Coombe Hill near Wendover on 7 June 2026, tackling 7 km with 220 m of climb and rewarding hilltop views. Entry on the day, modest fees and a pint included make this a friendly, competitive outing for juniors and teams.

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.

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.

Experience the rolling Northamptonshire countryside with 10 or 20 mile off road races along the Nene Valley. Enjoy fully marked trails through ancient woodlands and riverside paths with optional camping available on site.