Trail Running calendar near Hainault Forest Country Park 2025-2026

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 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 a scenic trail running event held in the picturesque countryside of Hampshire, centered around the village of Kingsclere. It offers three race distances: a marathon, half marathon, and 10k, all featuring clearly marked, single-lap off-road courses with friendly marshals. The..

The Herts Hobble is a cross-country event held in North West Hertfordshire, starting from the Scout Hut in Baldock. Participants can choose between two circular routes of 26 or 18 miles, traversing undulating countryside featuring grassland, fields, and woodland with panoramic views. The event cater..

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 Longbridge 100 Backyard Ultra is an inaugural running event designed for both seasoned and novice runners. This last-man/woman-standing race requires participants to complete a 4.167-mile loop every hour until only one runner remains. The event promises excitement and camaraderie, with support f..

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..

The Phoenix Denbies Marathon & Half Marathon is scheduled for June 21, 2025, at the Denbies Wine Estate in Surrey. Participants can enjoy a flexible event with up to 30 hours to complete their race, starting anytime between 8:00 am Saturday and late morning Sunday. The race features a flat, off-road..

Beyond Trails London is a trail running event offering two distances: a 25km trail and a 55km ultra, both taking place in Greater London. The routes follow the Capital Ring footpath, showcasing iconic landmarks such as Eltham Palace, Wimbledon Common, and Richmond Park, alongside hidden trails, park..

Race to the King is an ultramarathon event held at West Dean Gardens, featuring challenging courses along the South Downs Way and Monarch’s Way. Participants can choose from three options: the Coastal 50k, a flat and scenic loop around Chichester Harbour with 500m elevation; the Castle 50k, a more d..

The Oxford Greenbelt 10km is a scenic running event set in the beautiful Oxfordshire countryside, scheduled for June 21, 2025. This race is part of a larger event that includes a 3km and a 1km run, catering to participants of various ages and abilities. The 10km course features a predominantly off-r..

The Woodland Trail is a charity running and walking event held at Berkhamsted Castle, Hertfordshire. Participants can choose between 5- or 10-mile routes that wind through beautiful woodland and countryside, featuring fields, pathways, and some challenging, undulating terrain. The event offers a wel..