Trail Running calendar near Waltham Cross 2026-2027

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.

A county-versus-county out-and-back on the traffic-free Brampton Valley Way, offering a 14-mile one-way or a 28-mile ultra with timing mats, midpoint splits, and a county-level result comparison.

Looped races at Haughley Park in Suffolk offering 5k, 10k, half marathon, full marathon and ultra options. Secure on-site parking, a lap-based aid station and bespoke finisher medals are provided.

A scenic *10 km* trail race in the Nene Valley on 12 April 2026, starting and finishing at KC Active, Kings Cliffe. The circular, fully marked course uses easy tracks and includes a staffed aid station; entries handled via SiEntries.

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.

Experience the inaugural Wild Deer Trail Runs at High Lodge in Thetford Forest. Choose between chip timed 5km and 10km distances through scenic woodland trails with medals and merchandise for all finishers.

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..

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 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.

Backyard Ultra at Delapre Abbey in Northampton offers solo, pairs or an 8 loop option on 4.167 mile (6.7 km) hourly loops. Entry fees range from £85 to £225.

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.

A scenic trail half marathon in Seaford on 19 April 2026 that links the seafront with the South Downs and features undulating terrain and climbs. Surplus funds support local charities and entrants receive a medal, water stations and finish..

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.

Timed lap event at Buchan Country Park on 19 April 2026 with 5.3 km laps to create distances from 5 km up to ultra within a 7 hour limit. Runners may choose one of twelve medals or a lower cost no medal entry.

Experience a timed run through the Chiltern countryside and the exclusive Wormsley Estate. This event offers mixed terrain courses over multiple distances starting from Ibstone Common to support a local primary school.

A self navigation trail race of about 6.2 miles at Mountfitchet Castle on 19 Apr 2026, for runners aged 16 and over; entries include a £4 tea room voucher and results are published on the organiser’s website.