Trail Running calendar near Greater London 2026-2027

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.

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.

Traverse the entire South Downs Way National Trail in this 100 mile non stop journey from Winchester to Eastbourne. Experience 3800 meters of elevation through historic landscapes with full aid station and medical support.

Experience a 50km journey through the South Downs National Park featuring stunning ridge trails and historic landmarks. This well supported event offers a challenging route from Winchester to Queen Elizabeth Country Park.

Experience a scenic trail run around South East England's largest lake with distances ranging from 10km to a 50km ultra marathon. Enjoy undulating rural trails and wooded paths with stunning reservoir views throughout.

Experience the world largest inflatable obstacle course in Brighton. Navigate a 5k route filled with massive bouncy structures designed for a fun and active day out in East Sussex.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

The Hampshire Hoppit offers scenic, single-lap trail runs from Watership Down. Choose from a marathon, half marathon, or 10K, exploring high points and off-road paths. Your entry includes a medal, photos, a beer glass, and free parking.

Choose your distance at this flexible timed event along the flat Thames towpath. Run from 5k to an ultra within a 7-hour window and earn a unique finisher's medal. With a 1.5-hour start window, you can begin your run at a time that suits yo..