Trail Running calendar near Marlow 2026-2027

Experience a guided marathon through the beautiful Chiltern Hills with expert navigation and support. Run iconic trails like the Ridgeway in a small group setting led by qualified leaders.

Experience the scenic Hampshire countryside with a choice of a ten kilometer trail run or walk and a vibrant kids colour run in the heart of Froyle village.

Experience the beauty of ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or half marathon distance through scenic trails featuring natural forest terrain and muddy paths.

A seasonal trail run series at Cowdray Estate offering 5 km, 10 km and 10 mile races across spring, summer, autumn and winter, with a summer evening event that includes a BBQ, bar and spot prizes.

Represent Leicestershire or Northamptonshire in this unique 28 mile ultra marathon along the flat and traffic free Brampton Valley Way featuring two historic tunnels.

Experience a scenic 10k trail race through the rolling Northamptonshire countryside and disused railway tracks. This eco friendly event features a fully marked circular route starting and finishing in Kings Cliffe.

Experience a unique 42km journey starting in the woodland trails of Stanmer Park and the South Downs before joining the road for a grand seaside finish at Hove Lawns.

The Feisty Phoenix is a flexible timed running event in Bedfordshire. Run a 5.3km loop as many times as you like on a flat course through Mowsbury Park within seven hours. With a unique 'rock up and run' start window and a no-medal entry op..

A six hour event at Kingsbury Water Park where participants complete as many 3.3 mile laps as they can. The mostly flat route passes five ponds and a river over grass, gravel and short asphalt sections.

Join PHOENIX Fridays Run for a Tenner for a relaxed timed riverside run with flexible rock up and run starts supporting Rays of Sunshine. Choose distances from 5 km to ultra and earn a special medal on a flat towpath.

A looped trail event on 18 April 2026 from Windsor Racecourse offering 50 km, 25 km and 10 km options through Great Park, Runnymede and the Thames Path with covered rest stops, medical support and GPS tracking.

A 50K trail ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow via Ashridge, Ivinghoe Beacon, Coombe Hill and Whiteleaf Hill. Fully marked route with three checkpoints and a nine hour time limit.

Experience a guided 18 mile adventure across the Malvern Hills ridge and surrounding woodlands. This social group run features over 1300m of elevation and stunning panoramic views at a non competitive pace.

Experience the rolling hills and lowland heath of the South Downs National Park with five trail distances ranging from 12km to 110km. All races start and finish at a vibrant event village on the historic Cowdray Estate.

Test your endurance at Delapre Abbey with this Backyard Ultra format. Run 6.7 km loops every hour as a solo competitor, in a pair, or as part of a fixed eight loop challenge until only one runner remains.

The inaugural Essex County Fell Championships features a new 10km course with 450m of climb. This open-entry fell race offers county prizes for qualified Essex runners. Every finisher receives a free drink.

Enjoy a flat riverside run along the Thames with a flexible timed format. Choose your own distance from 5km to an ultra marathon on a scenic 5.3km out and back loop.

Test your endurance at Congo Stream with a four hour multi lap challenge. Run solo or in a team through wooded trails and historic trenches on a scenic three kilometer loop with a dedicated lap for kids.

Experience an undulating trail race through the scenic South Downs and Seaford seafront. This community event supports local charities and offers a bespoke medal and free race photos for all finishers.

Experience an off road trail run in the scenic Findon Village with a unique horse racing theme. Choose from several distances including a 10km trail, a 5 mile run, and a kids event to support local causes.