Trail Running calendar near Marlborough 2026-2027

A six hour lap event at Kingsbury Water Park on a flat 3.3 mile route around ponds and a river. Participants choose how many laps to run within the time limit; onsite parking, cafe and toilets are available.

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.

Experience a scenic 40 mile ultra marathon along National Cycle Route 8 from Glasbury to Merthyr Tydfil. This quadrennial event offers a well supported route through the Heart of Wales with unique finishers medals.

A looped trail challenge from Windsor Racecourse on 18 April 2026 with **50 km**, **25 km**, and **10 km** options along the Thames Path and Great Park, featuring signed routes, GPS tracking, marquee rest stops, medical support, and finishe..

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.

Trail ultra in the Brecon Beacons offering 10, 20 and 40 mile courses from Gilestone Farm. Routes cross reservoirs and ridges, include marshals and refuel zones, and require mandatory kit checks.

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.

A multi distance mountain event near Abergavenny on 18 and 19 April 2026, featuring 50 miles, 30 miles and a new 20 miles route through the Black Mountains and the Blaenavon World Heritage area. Entries closed 31 March 2026.

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 six hour timed challenge at Northampton Active offering distances from 5K to ultramarathon, run as laps on a 4.37 mile circuit. Aid tables, a finishers medal and a goody bag are provided.

Experience a scenic 35 mile ultra marathon from Merthyr Tydfil to Barry Island. Following the National Cycle Route 8 to the coast, this four yearly event offers a unique journey through the landscapes of South Wales.

Martley Madness is a 10-mile trail and country lane race through the Worcestershire countryside. The undulating route features woodland, Rodge Hill, and part of the Worcestershire Way. All finishers get a medal and celebratory cake at the f..

A charity off road trail run in Findon on 19 April 2026 offering 10 km, canicross, 5 mile and a 2 km kids race. The course climbs to Cissbury Ring then follows Monarchs Way to Nepcote Green and finishes at Wattle House.

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.

A community running event on 19 April 2026 in the Chiltern Hills with timed 5km and 10km races plus a children's Run in Colour. Routes use mixed terrain and include access to the Wormsley Estate with facilities at Ibstone Common.

A multi-distance riverside series based at Streatley with 250, 150 and 100 mile options. Runners navigate with provided maps and GPX, use GPS tracking and reach checkpoints under strict cutoff times while carrying compulsory safety kit.