Trail Running calendar near Harwich 2025-2026

We have found 152 Trailruns within 80 miles of Harwich. See below where and when you can find the races.

The St David's Day Challenge is a six-hour running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners aiming for their fi..

The Stody Estate Trail Run, formerly known as the Hunny Bell Cross Country, features a scenic 8km route through the beautiful Stody Estate in Norfolk. Relaunched in 2024, the event offers three race options: a 4km route for beginners, an 8km for veterans, and a challenging 12km. Participants can enj..

Thunder Races offers an exhilarating trail running experience in Bedfordshire, featuring events designed for all skill levels. Participants can choose from three distances: 10km, 25km, and 50km, all set in the picturesque Harrold-Odell Country Park. The courses primarily traverse scenic woodlands an..

UTMB Index

The Thames Meander Spring is a scenic riverside race series taking place along the Thames Path, starting from the Petersham & Ham Sea Scouts HQ in Richmond. Participants can choose from three distances: a 10km, a half marathon, or a full marathon, all featuring flat and runnable routes. The event is..

The Thames Meander Marathon is a scenic running event series held along the picturesque Thames Path, starting from the Petersham & Ham Sea Cadets HQ in Richmond. Participants can choose from three distances: 10km, half marathon, and marathon, all featuring flat, runnable routes that are well-marked ..

The Trail et Semi Marathon de la Terre des 2 Caps is an annual running event held in Saint-Inglevert, France, organized by Marquise Athlétisme. Scheduled for March 9, 2025, it features a variety of races including a 30 km trail, a semi-marathon, and a 10 km trail, all showcasing the scenic landscape..

The High Lodge Half Marathon - Spring is a scenic trail running event set in Thetford Forest, taking place in March. This circular route features a mix of hard-packed trails, grassy footpaths, and forest paths, making it suitable for both seasoned runners and newcomers. Participants will enjoy a tra..

The Stow Maries Trail Challenge is a 6-hour trail running event set for March 16, 2025. Participants can choose their own targets, completing as many laps as they wish on a 5K loop that is predominantly off-road, featuring scenic views of the River Crouch. Runners will receive a medal and goodies up..

The Spring Blickling Half Marathon is a scenic running event held at the stunning Blickling Hall, known for its breathtaking backdrop. Scheduled for March 16, 2025, this popular race sells out annually, with limited entry numbers. Participants can expect a multi-terrain course combining trail paths ..

The Sevenoaks Circular Challenge is an annual walking event organized by the Kent Group of the Long Distance Walkers Association (LDWA). Participants can choose from three new routes of 30, 20, or 15 miles, showcasing the scenic beauty of the North Downs and the Greensand Ridge. The event features i..

The Moo-rathon, Calf and Hen K is a running event hosted by ZigZag Running at Hyde Hall Farm, returning for its second year. Participants can choose from various distances, including 10k, Half Marathon, Full Marathon, and Ultra Marathon. The scenic trail course features a mix of tarmac paths, grassl..

The Canterbury Riverside 10K is a scenic running event that takes place along a traffic-free course beside the River Stour, connecting Chartham to the center of Canterbury. Known for its flat terrain, the race begins with a lap around a playing field before following the river pathway to 'Toddlers C..

The Y2Y North Downs Trek/Run is an exciting outdoor event taking place in the picturesque Surrey countryside. Participants can choose between a 26.2-mile marathon starting in Guildford or a 14-mile route from Ranmore Common, both culminating at YMCA East Surrey in Redhill. The event, now in its 18th..

The Wivenhoe Trail Run is a 5-mile event taking place on March 24, 2025, starting from The Black Buoy pub in Wivenhoe, Essex. This unique trail run features a route that is a reverse section of the old Colchester Kawasaki 10, and it will be held in the dark, requiring participants to wear trail shoe..

The Gratitude 25KM is an exciting running event set to take place in Broxbourne, UK, as part of the larger Lea Valley 50KM event. Participants will enjoy a scenic route along the beautiful Lea Valley canal, culminating at the Here East finish line. This unique event emphasizes a spirit of gratitude,..

The Spring Coastal Guided Trail Run is a scenic 19-mile trail run that takes participants from Holme-Next-The-Sea to Wells-Next-The-Sea, following significant portions of the Norfolk Coast Path. Runners will experience a picturesque route that includes charming villages, tidal marshes, and pine wood..

The Zig Zag Challenge is a unique running event taking place at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or a 4-hour race, aiming to complete as many laps as possible on a 5.3k multi-terrain course featuring gravel paths and grassy areas. ..

April 2025

The Haughley Festival of Running, hosted at Haughley Park in Suffolk, is set to return for its third year, offering a variety of race distances including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon. Participants can enjoy a scenic route through the park's beautiful grounds, with a supp..

The Trifarm 15k Spring Trail Run is an exciting running event scheduled for April 6, 2025, at Trifarm in Boreham, Essex. This race features a scenic 15k route that is over 95% off-road, utilizing public footpaths and bridleways. Participants can enjoy amenities such as bottled water at registration,..

The Easter Challenge at Brandon Country Park offers a unique running experience set in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour event, running laps on a multi-terrain course that spans 5.3 kilometers. This event caters to runners of all levels, from beginners ..