Trail Running calendar near Mortimer Common 2026-2027

Two trail ultras of **100k** and **50k** around Market Harborough following the Harborough Round, with GPX files, multiple checkpoints and mandatory kit requirements. The routes visit villages, Foxton Locks and the Kelmarsh Tunnel.

On 16 Aug 2026 The Black Bull 15 offers a 15 miles trail run and a 15 km social hike near Chelmsford. The event marks the organiser's 20th anniversary and will donate £2 from entries to a charity to be confirmed.

A multi-distance running event in Bath that routes through two long, lit railway tunnels and finishes at Brickfields Park; proceeds partly support Sustrans and ticketing for this edition is sold out.

Henfield Half Marathon on Sunday 16 August 2026 uses an off road, scenic course along riverbank and a disused railway from Henfield Leisure Centre, with onsite changing facilities, parking and medals for finishers.

A multi-distance running festival on 16 August 2026 in Southampton Common featuring 5K, 10K, a half marathon and junior races set on laps through woodland, ponds and parkland with marked kilometres and marshals.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

A flexible seven hour timed run along the River Thames. Choose your own distance from 3 km to an ultra, with themed medals and goody bags for all finishers. Enjoy a fully signed course suitable for road shoes.

Tackle a 45 or 30 mile ultra run on a loop around Bristol. Starting from Aston Park School, the event offers two challenging distances. Registration closes on 21 August 2026.

A point to point mixed terrain run from Mayflower Park, Southampton, following The Old Way with a short river boat crossing, historic landmarks, sticker-collecting race bibs and options for coach transport and alternative eco medals.

The Rings presents a new trail marathon and 50K ultra in West Sussex. The scenic route starts at Lancing College, traverses the South Downs Way, and ascends the iconic Chanctonbury and Cissbury Rings. The event is fully supported with aid s..

A 13.1 miles park half marathon in Richmond Park following the Tamsin Trail and park roads, with refreshment points, varied scenery and a single lap route returning to Sheen Gate.

Trail races over half marathon and marathon distances take place entirely inside Richmond Park, starting and finishing at Sheen Gate. The course passes gates, lakes and wooded sections and includes several drink and feed stations.

A new trail marathon and 50k ultra in the West Sussex countryside. Starting at Lancing College, the course ascends the South Downs Way to iconic landmarks like Chanctonbury Ring. It features aid stations, chip timing, and a bespoke finisher..

The Windsor Trail Run on August 30, 2026, offers a scenic 10k or half marathon through the flat paths of Alexandra Gardens in Windsor. Runners can enjoy views of the castle, chip timing, and free photos.

The Plum 10k is Pershore Plum Plodders club's 10 kilometre race in Pershore, Worcestershire, with results archived back to 2016. The next edition is scheduled for 30 August 2026.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

Event Overview The Woldingham Full and Half Marathon is a trail running event with two distances: the marathon (26.2 miles) and the half marathon (13.1 miles). The course starts and finishes at Woldingham School/Marden Park in Caterham. It..

Riverside races at Temple Island Meadows in September 2026 featuring a half marathon, 10K and junior event. Mixed undulating courses, chip timing, a themed medal, race photos and post race goodies.

A guided 30 mile trail run around the Jurassic Coast and Isle of Purbeck with about 4600 ft of ascent, following the Purbeck Way and South West Coast Path and finishing on the beach at Studland Bay.

Take on the South Downs Way from Eastbourne to Arundel in this coastal trail challenge. Choose your distance from 25 km to a full 100 km, with full support and rest stops along the way. Experience the cliffs of the Seven Sisters and finish..