Trail Running calendar near Letchworth Garden City 2025-2026

Halstead & Essex Marathon offers an annual road race on scenic low traffic roads through rolling hills, woods and farmland. Run by Halstead Road Runners as they mark their 40th year, it blends competitive spirit with a friendly club vibe.

Event The Oliver Fisher 10k & 5k is scheduled for 10/05/2026 at Milton Creek Country Park in Sittingbourne, Kent. The event offers three race options: 10k 5k Junior Run The course is off-road on stone trail and follows the route used..

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Experience a scenic point to point ultra along the Suffolk and Essex coast, finishing in Harwich. Choose 100 mile, 50 mile or 50 km routes on mostly grass and trail with checkpoints, hot food and live tracking for a coastal adventure.

The The Maverick Cotswolds Trail will take place in Cheltenham on Saturday 16 May 2026.

Run 50 miles along the scenic North Downs Way from Farnham to Knockholt Pound, with about 1700 m of climb over mostly trail terrain. Well stocked aid stations and medical support make for a challenging but supported ultramarathon.

Event overview The Compton Downland Challenge is organised by Compton Harriers Running Club and is scheduled for Saturday, 16 May 2026. The event offers two multi-terrain race options that start and finish at Compton village recreation grou..

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

London 2 Brighton : event overview The London 2 Brighton Ultra Challenge takes place on 23-24 May 2026. The main continuous route runs from Richmond, West London, to Brighton Racecourse. The event uses trails over the North Downs and South..

RunThrough Trails presents The Fox, a quintessentially British trail running experience set in the picturesque Surrey countryside. On Saturday 23 May 2026, the event offers three distances: 20K, 41K, and 62K, with all routes finishing at Bu..

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the ra..

Run the Grim Reaper Festival at Grimsthorpe Castle on 23 and 24 May 2026 with day and night 10 mile loops plus ultra and relay options across scenic trails. Camp onsite and earn a finisher medal.

Farmmageddon at Hyde Hall Farm offers multi distance trail running on a scenic 5.3 km loop, from 10k to a 100 mile event run over two days. Enjoy grassy trails, secure parking and finisher medals including a buckle for 100 mile finishers.

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Me..

Event overview The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along The Ridgeway National Trail. The race starts at Ivinghoe Beacon in Hertfordshire and finishes at Avebury in Wiltshire. The course has about..

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and..

Beat The Sunset 50km in Maidenhead is a scenic, largely flat single lap ultra mostly off road along the Thames Path. With regular aid stations and race support, it suits ambitious first timers and seasoned ultra runners.

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Now in its sixth year, it offers a unique challenge of completing various distances on a 400-meter athletics track, in..