Trail Running calendar near Letchworth Garden City 2025-2026

The Magna Carta Summer race, organized by Hermes Running, takes place in scenic Runnymede, Surrey, near the historic site where the Magna Carta was signed in 1215. The event features 10K, half marathon, and marathon distances, all starting by the River Thames at the Wraysbury Skiff & Punting Club. T..

The South Downs Trail Half Marathon and 10K, hosted at Queen Elizabeth Country Park near Petersfield, are celebrated trail running events in the South of England. Participants will enjoy scenic routes that connect with the South Downs Way, traversing beautiful downland and forested areas. The half m..

The Orion Harriers Forest Five is a series of annual one-mile races held on the first Saturday of June, July, and August at Jubilee Retreat in Chingford. Established in 2009 to support the construction of the Orion clubhouse, the series offers a competitive yet friendly environment for runners of al..

The Pathfinder March is an annual 46-mile event in Cambridgeshire, England, featuring running or walking options for individuals or teams. Participants traverse a scenic route passing through historic RAF Pathfinder Force Airbases, honoring their WWII legacy. The event starts and ends at RAF Wyton A..

The Chignal Fete Trail Race, organized by Essex Trail Events, is a 6-mile self-navigation trail run held in Chignal St James, Chelmsford, Essex. Scheduled for June 7, 2025, the race features a new route each year and requires participants to follow a written route description without course markings..

The Suffolk Back Yard Ultra is a highly competitive ultrarunning event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the hour time limit. The course is wide, flat, and fast, featurin..

The Tewinbury Trail 10K is a scenic off-road race held at Tewinbury Farm & Hotel in Hertfordshire. Participants can enjoy a challenging course through undulating trails, including forest paths and open tracks, with a total elevation of 180 meters. The route is fully marked and marshalled, ensuring e..

The Valley of the Owls Run is a scenic running event held in the picturesque village of Ousden, Suffolk, known for its historic roads and beautiful countryside. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra marathon, with a social out-and-..

The Dell 10km is a scenic multi-terrain race held on June 8, 2025, at Dummer Down Farm in Hampshire. The course features private farmland, woodlands, fields, and local roads, offering stunning views throughout. Participants receive a medal, pint cup, and a free drink at the finish, with options for..

Stately Trails: Forcett Park is a scenic running event held at Forcett Hall, North Yorkshire, featuring 5km and 10km distances on a two-lap course through historic parkland. Runners experience gentle trails across pasture fields, farm tracks, and woodland, passing ancient Iron Age fortifications, a..

The Salisbury Plain Summer Edition is an exciting running event set in the stunning landscapes of Wiltshire, within the largest military training area in the UK. Participants can choose from various distances, including a 50km ultra, marathon, and half marathon. The event promises well-stocked aid s..

The Norfolk Festival of Running is an inaugural timed running event held at the scenic Bawsey Country Park in Norfolk. Participants run laps of a 5.3 km course featuring gravel footpaths and grassy areas, designed to accommodate distances from 5K up to ultra-marathon lengths. The event offers a flex..

The South Downs Way 100® is an ultramarathon covering 100 miles along the scenic South Downs National Trail in England. The race starts near Winchester and traverses rolling hills, ancient forts, picturesque villages, and offers expansive views across Southern England, ending in Eastbourne. Particip..

The Nene Valley Trail Run is a friendly and scenic off-road running event held at Castle Farm Campsite in Fotheringhay, near Peterborough. Scheduled for June 14, 2025, it offers two race distances: 10 and 20 miles. The courses traverse the beautiful Nene Valley trails, featuring easy tracks through..

The Hampshire Hoppit is an exciting off-road trail running event held in the scenic North Hampshire Downs. Participants can choose from three distances: a full marathon (26.2 miles), a half marathon (13.1 miles), or a 10k race. The event features well-marked and marshalled routes that include sectio..

The Run Sandringham 10K is a prominent running event scheduled for June 15, 2025, set within the picturesque Royal Sandringham Estate in Norfolk. This race welcomes participants of all abilities to enjoy a scenic route through the estate and surrounding areas, while also supporting charitable causes..

The Herts Hobble 2025 is a cross-country walking and running event held in North West Hertfordshire, near Baldock. Participants can choose between two circular routes of 26 or 18 miles, traversing undulating countryside, fields, and woodland with scenic views. The event is organized by the Essex and..

The Robertsbridge Midsummer 10k & 5k is a popular community race held annually in East Sussex, returning in 2025. The event features multi-terrain, undulating courses suitable for all abilities, including a junior run. Participants can enjoy a friendly atmosphere with local support, volunteers, and..

The John Clarke Memorial Race will take place in London on Friday 20 June 2025.

The Phoenix Centaur 100 Mile Ultra is a challenging endurance event held at Denbies Wine Estate in Surrey. Participants have up to 30 hours to complete a flat, single-mile loop through scenic trails, with options including 12/24-hour, 50-mile, and 75-mile races, as well as marathons and half maratho..