Trail Running calendar near Sudbury 2026-2027

Explore Northamptonshire's countryside on a 54-mile ultra marathon loop from Brixworth Country Park. For those preferring a shorter distance, the Rosebud Marathon covers the final 26.2 miles of the route. Relay team options are also availab..

Experience a scenic mixed terrain race along the banks of the Thames in Henley on Thames. Choose from a half marathon, 10K, or junior race starting at the iconic Temple Island Meadows.

Take on the Rosebud Marathon, a 26.2 mile stretch of the Rose of the Shires Ultra through scenic Northamptonshire trails, roads and canal tow path. Enjoy waymarked routes, on site support, a finisher medal and prizes for top runners.

Experience a unique obstacle run in Huntingdon featuring the world's largest inflatable course. Choose from multiple distances for a bouncy and active day out in Cambridgeshire.

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 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.

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

Join this inclusive event at Haughley Park featuring various distances from 5k to an Ultra Marathon. Enjoy a looped course through beautiful woodland and trails with full aid station support and a unique finisher medal.

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 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.

Enjoy a guided 19 mile trail run through the marshes and woodlands of the Norfolk Coast Path. This intermediate group run focuses on local wildlife and scenery at a conversational pace.

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.

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 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.