Trail Running calendar near Grafham Water 2025-2026

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

The East Hanningfield Trail Marathon is a challenging off-road race held around the village of Danbury, starting and finishing at East Hanningfield Village Hall. The 26.2-mile circular course is approximately 95% off-road, featuring diverse terrain and navigated using written instructions rather tha..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Moonriver - Night Race is an exhilarating night-time fell running event held in the scenic Dovedale valley near Thorpe, UK. Covering a challenging 9.5km course with 345m of ascent, the race features diverse terrain including open fields, a rocky riverside trail, a woodland climb, and undulating..

The Country to Capital Ultra Marathon is a renowned 43-mile point-to-point race starting at the Shoulder of Mutton Pub in Wendover and finishing near Little Venice Canal Basin in London. Serving as the official opener to the ultra running season, it attracts a global field of elite and amateur runne..

The Fitstuff G3 Series No.1 is a trail running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km distances, with options to enter single races or bundled series of three runs. The event offers a scenic trail running experience in the Surrey c..

WTF - Where's The Finish? is a unique timed running event hosted by Zig Zag Running at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants choose between a 6-hour or 4-hour challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths..

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering water stations and first aid support. Participants receive..

The Windmill Way Wander, organized by Zig Zag Running, is a versatile road running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Participants can choose from multiple distances including 5k, 10k, half marathon, full marathon, and ultra marathon, all following the scenic Windmill W..

The Sherwood New Year 10k, 5k & Junior Run is a popular multi-terrain race held at Sherwood Pines in Nottinghamshire, set within the scenic Sherwood Forest. The event features 10k and 5k distances alongside a junior run, catering to runners of all levels from beginners to seasoned athletes. The cour..

The Crocodile Challenge is a 6-hour running event held at Ryton Pools Country Park in Warwickshire, near Coventry. The course is a runnable, relatively flat 3.3-mile out-and-back loop featuring crushed stone paths, open pasture, and scenic pools. Participants can complete as many laps as they wish w..

The Tissington Trail Half Marathon Weekend, held in Ashbourne, Derbyshire, offers runners a scenic and traffic-free course along the former railway line from Ashbourne to Buxton. Participants can choose between a half marathon and a 10k race, both featuring multi-terrain routes with a gentle uphill..

The OMG (One Mile 2 Go) Run, organized by ZigZag Running, takes place at Bawsey Country Park, located on the B1145 between Queen Elizabeth Hospital and Gayton. This trail event offers multiple distance options including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon, catering to both..

The Windsor Trail Run January 2026, organized by RunThrough UK, takes place at Alexandra Gardens in Windsor, UK. Set against the scenic backdrop of Windsor Castle, this event offers a flat, chip-timed trail course with two distance options: a 10K and a Half Marathon. Both routes feature well-marked..

The Fitstuff G3 Series No.2 is a running event held at Hound House Road, Surrey GU5 9JG. Participants can choose between 10km and 15km race distances. The start line and parking are conveniently located in a field off Hound House Road, marked by flags and signs for easy navigation.The event offers b..

The Lavenham 10K Race is a scenic trail run held in the historic medieval village of Lavenham, Suffolk. The course covers 10 kilometers of mixed terrain, including footpaths, forest trails, shallow streams, and quiet rural roads, following the old disused railway line. This multi-terrain route offer..

The Peddars Way Ultra Marathon is a 48-mile race through the historic landscapes of Suffolk and Norfolk, starting at Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. The course follows an ancient Pre-Roman trading route and former Roman road, featuring a mix..

The Squirrel Challenge is a 6-hour running event held at Daventry Country Park, United Kingdom. Participants run or walk as many 3.3-mile laps as they wish within the time limit, making distances flexible from just over 5K to over 80K. The course features mostly crushed stone paths through tranquil..

The Pilgrim Challenge is a renowned ultra marathon held along the historic North Downs Way in the UK, offering participants the choice to run or walk either 33 miles in one day or 66 miles over two days. The course features stunning landscapes, picturesque villages, and areas of outstanding natural..