Trail Running Calendar United Kingdom 2025-2026

RTT Margam 10k & 5K is organised by Aspire X Events and takes place at Margam Country Park, Margam, Neath Port Talbot, SA13 2TJ on 28/09/2025. The event offers the following distances: 5K 10K The 10K route is a repeat of the 5K lap. The race starts near the East Lodge Car Park within Margam C..

Pumpkin Run Colchester takes place at Foxes Farm in Aldham, Colchester. The event offers multiple distances: a 10K, 5K, a family-friendly 1K, and a dog-friendly 5K. Runners loop across fields, past the pumpkin patch and through a corn maze, on traffic-free farm tracks that are mostly flat for fast t..

Race on the Chase is an annual trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10k distances, all featuring undulating downland terrain with historic ancient tracks, g..

The Grantchester Charity Runs, held near Grantchester village outside Cambridge, feature 10k and 3k races through scenic, predominantly flat farmland with no road crossings, ensuring a safe and pleasant course. The volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charitable T..

Richmond Park Half Marathon is a trail-style half marathon held entirely within Richmond Park, London. The course starts and finishes at Sheen Gate (race HQ) and covers 13.1 miles, looping from the centre to Richmond Gate and along the Tamsin Trail, with climbs to Broomfield Hill for drinks and pass..

The Floors Castle Trail Race is TriWorks Edinburgh’s inaugural event, held on 28 September 2025 at Floors Castle in the Scottish Borders—the largest inhabited castle in Scotland. The event offers 10km (two laps of the 5km course), 5km, and a Junior 3km race, run on undulating but fast hard-packed gr..

North Downs Way Ultra Run is a 30-mile trail event starting and finishing at St Martha’s Hill, Guildford, Surrey. The route follows the North Downs Way westbound, showcasing the Surrey Hills with highlights such as Box Hill and a pass through Denbies Wine Estate before finishing at Newland’s Corner..

The ZigZag Wensum Way Trail is a scenic trail running event held near Billingford Lakes, Norfolk (postcode NR20 4RG). The course features a 5.3 km out-and-back route combining tarmac paths, grasslands, and rugged trails, offering variety for trail enthusiasts. Participants can choose between 4-hour..

The Rayne QTR event, organized by Mid Essex Casuals, offers a self-navigation trail run of either 6.56 miles or 3.6 miles. Taking place on September 28, 2025, from The Swan Pub in Rayne, Essex, the course is mainly off-road, featuring footpaths, tracks, and field edges with some short road sections...

The BOFRA Malham Charity Relays is a fun, inclusive running event held near the Lister Arms in Malham, UK. Open to all ages, participants are grouped into mixed teams on the day of the race. The course covers approximately 0.7 miles (1.1 km) with a challenging 240-foot (75-meter) climb, starting fro..

Wild Deer Scottish Trail Runs returns to Dalkeith Country Park, a 1000-acre estate outside Edinburgh. In 2025 the event adds Marathon and Ultra distances alongside 5 km, 10 km and a Half Marathon. Distances are 5km, 10km, Half Marathon (two laps), Marathon (four laps) and Ultra (five laps), totaling..

The Nettlestone Road and Trail (RAT) Race is an annual running event held at Nettlestone Primary School in Seaview. The 2025 edition offers participants a choice between a 5-mile or 5km route, both featuring off-road sections and a scenic run along the Seaview seafront with views of the Solent. The..

Portishead's Black Nore 10km returns in 2025, a mixed-terrain coastal race starting at Portishead Lake Grounds. The route runs along the coast path of the Bristol Channel, past Black Nore Lighthouse and through Redcliffe Bay with water views toward Wales. Runners tackle a gently undulating course wi..

Credenhill Canter is a multi-terrain 10K race organized by Wye Valley Runners in Credenhill, Herefordshire. The route weaves through country lanes and woodlands, starting by the church and finishing at Credenhill Social and Sports Club, where food and drinks are available. The event features chip ti..

Wild Run Cotswolds is staged at Cornbury Park, Charlbury, Oxfordshire, within the Wychwood forests. The event offers a 10K loop with options for a half marathon, marathon (four loops), or a 360° challenge (six hours to complete as many 10K loops). The course uses private estate trails, mixing smooth..

RunThrough is staging the Trails Hamsterley Forest 10k & Half Marathon on Sunday 28 September 2025 at Hamsterley Forest Visitors Centre, Redford, Hamster DL13 3NL. The event listing shows it was booked 126 times in the last month. Entry prices range from £28 to £140 with options that include t-..

Harbour Wallbanger is a coastal 7k running event staged by Sporting Events UK, in partnership with Thanet Roadrunners AC. The race starts on Broadstairs Beach at low tide, heads to Ramsgate to 'bang the Harbour Wall,' and returns along the coast to Broadstairs in Kent. The event welcomes beginners a..

Eridge Park 10 Trail Challenge, staged at Eridge Green in Tunbridge Wells, Kent, marks its 25th anniversary in 2025. The 10-mile off-road trail race is renowned as a favourite among trail runners, offering stunning scenery, steep, narrow climbs and plenty of mud along a traffic-free route through Er..

Bournville Leafy 10k is a 10-kilometre multi-terrain race held in Bournville, Birmingham, with the start and finish at Rowheath Pavilion on Heath Road. The course winds through parkland and leafy paths, featuring off-road sections on grass and uneven ground. The event fosters a friendly, community a..

Ilam 3 Peaks is a classic, fully marked 4-mile fell race based at Ilam Primary School in Derbyshire (DE6 2AZ). The 6.4 km loop climbs Bunster Hill, crosses a river, and features fast sections between the three summits, with about 520 m of ascent. Organized by Wainwright Running Ltd as part of the Li..