Trail Running calendar near Weir Wood Reservoir 2026-2027

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.

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..

Experience an atmospheric multi terrain summer evening run in East Sussex. Choose from a 10k, 5k, or junior race followed by a community BBQ and refreshments in the heart of Robertsbridge.

Discover a different side of the capital with a choice of 55km or 25km trail runs along London’s Capital Ring footpath. Experience hidden trails and iconic sights like Richmond Park on these fully signed and supported routes.

Experience a point to point trail race through the ancient woodlands and rural landscapes of three counties finishing with a scenic loop around Grafham Water.

Take on the Phoenix Centaur 100 Mile Ultra at Denbies Wine Estate, a flatish 1 mile off road loop with multiple distance options across the weekend. Enjoy central aid, chip timing and a Centaur medal and buckle for 100 mile finishers.

Run a marathon or half marathon at Denbies Wine Estate on 20 June 2026, tackling a scenic off road loop through the vineyards. Choose attended or virtual entry, enjoy chip timing and a collectible community medal while places remain limited..

Run 1 mile each hour for 24 consecutive hours at Denbies Wine Estate in P24 The Longest Attended Day, an off road challenge for attended and virtual runners. On site camping and a hefty finisher medal await but places are limited.

Race to the King is an ultramarathon on June 20, 2026, starting at West Dean Gardens. Choose from 30km, 50km, 80km, or 100km routes along the scenic South Downs Way and coastal paths. The event features full trail support, pit stops, and a..

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

Run the Maldon Ultras on 20 and 21 June 2026 in Maldon, with 100 mile, 50 mile and 30 mile lapped races across fields, woodland and vineyards with estuary views. Small fields and scenic off road laps make for a friendly yet fierce ultra.

Experience the twilight beauty of Ardingly Reservoir during this midsummer evening run. Choose between a 5k or 10k distance on a scenic undulating trail featuring a fully stocked aid station and finisher medals for all.

Celebrate the longest day at the Summer Solstice Challenge around Abberton Reservoir, a timed loop with 5 km laps. Run as many laps as you like, earn a medal and support Essex Wildlife Trust.

The Dunstable Downs Half Marathon is a scenic trail race through the National Trust's Dunstable Downs estate. Its hilly 21.2 km course features ridge views, climbs, and a well-stocked aid station. The event is capped at 300 runners and incl..