Trail Running calendar near Sudbury 2025-2026

We have found 270 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

The 10k Rauceby Estate Run Summer is a scenic all-terrain race held on the expansive 2000-acre Rauceby Estate, featuring a new 10-kilometer course that includes at least 25% private land never before used for racing. The route combines rural footpaths and estate grounds, offering runners a unique ex..

The Chiltern 50 Ultra Challenge is a 50 km looped endurance event held in the scenic Chilterns countryside, starting and finishing at Henley Showground. Participants can walk, jog, or run the course featuring historic trails, rolling hills, nature reserves, and stunning views. The event offers 50 km..

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Thunder Races offers trail running events in Bedfordshire, featuring multiple distances including 10km, 25km, and 50km to suit all skill levels. The races take place in scenic locations such as Harrold-Odell Country Park, showcasing a mix of runnable terrain with diverse scenery including forests, f..

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The North Downs Way Ultra Run is a 30-mile trail run starting and finishing at St Martha's Hill in Guildford, Surrey. It showcases some of the best sections of the North Downs Way and surrounding Surrey Hills, including the famous Box Hill and Denbies Wine Estate. Designed as an ideal introduction t..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

The 2025 Grantchester Charity Runs, sponsored by Dartington Wealth Management, take place near Grantchester, Cambridge, featuring 10k and 3k races through scenic, predominantly flat farmland with no road crossings. This volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charita..

Run Sandringham is a popular running event held at the Royal Estate in Sandringham, West Norfolk, known as the Royal Family’s winter retreat. The event offers a scenic half marathon course of 13.1 miles that winds through trails and closed, traffic-free roads around the estate, passing directly in f..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..

The Pumpkin Run Colchester is an autumn-themed running event held at Foxes Farm in Colchester. It offers multiple race distances including a 10K, 5K, family-friendly 1K, and a doggy run, catering to runners of all ages and abilities. The course loops around scenic fields, a pumpkin patch, and a corn..

The Harbour Wallbanger is an exciting running event scheduled for 2025, starting on the beach at Broadstairs during low tide and extending to Ramsgate, where participants will "bang the Harbour Wall" before returning. This unique coastal route is designed for both beginners and experienced runners,..

The ZigZag Wensum Way Trail, held near Billingford Lakes, Norfolk (postcode NR20 4RG), is a scenic trail running event offering multiple distances including 10k, half marathon, marathon, and ultra. The course features a varied terrain of tarmac paths, grasslands, and rugged trails, providing an enga..

October 2025

The London Epping Forest 50 Km is an ultramarathon event organized by Camino Ultra, held in the scenic Epping Forest area of London. Covering a challenging 50-kilometer distance, this race offers runners the opportunity to experience beautiful natural trails within close proximity to the city. The e..

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Burnham on Crouch 10K is an exciting running event organized by the Rotary Club of Burnham-on-Crouch and Dengie Hundred, scheduled for October 5, 2025. Participants will enjoy a scenic, flat, single-lap course that features coastal paths along the Dengie peninsula and trails through open country..

The Thompson Millennium Green 10K is a multi-terrain running event held in Thompson, Norfolk, featuring a fairly flat course ideal for personal bests. The route traverses picturesque pathways, lanes, bridleways, farmland tracks, and byroads, including sections along Griston Road and Peddars Way, sta..

Run Layer 5 2025 is a community-focused running event taking place in Layer de la Haye, Essex. The event features a 5-mile multi-terrain run and a 1-mile children's fun run, both designed to showcase the scenic landscapes of North Essex. Participants can enjoy a friendly atmosphere, with trophies aw..

The Dovedale Dash is a renowned 4¾-mile cross country race held near the village of Thorpe, close to Ashbourne in the Derbyshire Peak District. The scenic course traverses field paths and open ground through the valleys of the rivers Dove and Manifold, featuring a unique river crossing at the famous..

The Thames Meander Autumn is a scenic riverside running event held in Richmond, starting from the Petersham & Ham Sea Scouts HQ. It features three race distances: 10km, half marathon, and marathon, all following flat, fast, and well-marked out-and-back routes along the Thames Path towpath. The 10km..

Endurancelife Suffolk is a popular running event set in the serene and beautiful landscape managed by Natural England, the RSPB, and the National Trust. The event offers four race distances: 10K (6.1 miles), half marathon (13.5 miles), marathon (26.7 miles), and ultra (32.7 miles). The courses are n..

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The Kent Downs 50 Ultra Challenge is a scenic endurance event held near Maidstone, Kent, known as the "Garden of England." Participants can walk, jog, or run looped routes of 50 km, 25 km, or 10 km, starting and finishing at the Kent Showground. The main 50 km course features iconic landmarks such a..

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