Trail Running calendar near Welwyn 2026-2027

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.

Windsor 50 on 18 April 2026 offers 50 km, 25 km and 10 km looped trail routes from Windsor Racecourse through Great Park, Runnymede and the Thames Path with regular 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.

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 a trail running festival at Billingford Fishing Lakes & Country Park with distances ranging from 5k to Ultra. Enjoy a variety of terrains, finishers medals, and celebratory refreshments in a scenic park setting.

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.

Test your endurance on a flat but demanding loop along the Thames and historic canals. Choose from 100, 150, or 250 mile distances with full GPS tracking and checkpoint support.

A limited capacity evening trail run of 5 miles for over 18s with the course run in reverse from previous years. Route files are provided beforehand and finishers can exchange their race number at the bar for a drink.

Experience a unique 5k obstacle course in St Albans featuring large scale inflatable hurdles. This event offers a bouncy and active day out in Hertfordshire for participants of various interests.

Run your own marathon on The Itchen Way in Winchester. This flexible 7-hour event lets you decide your distance on the day, from a short lap to an ultra, with medals for all finishers. Start any time before 1 PM and enjoy a stocked aid stat..

A 15 mile trail run from the beer garden of the Ye Olde Smugglers Inne in Alfriston with two pub checkpoints offering a drink and snack; route GPX and a race narrative are provided and results appear within 24 hours.

Join this road running event in Bury St Edmunds featuring distances from 5k to an ultra marathon. Enjoy scenic undulating routes and a seven hour cut off on the same day as the London Marathon.