Trail Running calendar near Sudbury 2026-2027

A 54 mile circular ultra and a 26.2 mile marathon section based at Brixworth Country Park, combining trails, roads and canal towpath with waymarking, checkpoint support and real time GeoTracks tracking.

A mixed terrain half marathon, 10K and junior race take place along the Thames at Remenham Farm on 11 April 2026. The event features waymarked trails, chip timing and a race village with food and post race goodies.

A 26.2 mile multi-terrain marathon through Northamptonshire, starting near Hartwell and finishing at Brixworth Country Park. The course mixes trails, roads and canal towpath, features two staffed checkpoints and GPS tracking.

An inflatable obstacle 5 km event in Huntingdon, Cambridgeshire on 11 April 2026, featuring a course of inflatable obstacles and recent strong booking activity. Past attendees noted a positive atmosphere.

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.

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 circular *10 km* trail race on 12 April 2026 around Kings Cliffe, run on marked and marshalled tracks with an aid station. Entries open 16 June 2025, entry fee £22, minimum age 16, transfers or deferrals allowed.

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..

Outrun Archway offers recurring, in-person trail runs at Whittington Park in north London. Led by queer folks, the sessions prioritize a space for all paces and typically cover about 6k on unpaved surfaces.

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 looped challenge through Windsor Great Park and along the Thames Path. Choose to walk, jog, or run distances from 10 km to 50 km with full professional support and a celebration at Windsor Racecourse.

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.

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.