Three Castles 50Km

Summer Nights is a self-navigation trail race organized by Essex Trail Events, taking place at The Wheatsheaf in Hatfield Peverel, Essex. Scheduled for July 23, 2025, the race covers approximately 6 miles on a new route. Participants receive a written route description on the day, with no course mar..

The Kennet & Avon Canal 145 Mile Race (KACR) is a challenging non-stop ultra running event held in the UK, covering 145 miles from Little Venice, London, to Bristol. The route follows easy-to-navigate canal, river, and railway towpaths, including the Grand Union Canal, Jubilee River, River Thames, K..

The Trifarm Summer Trail 10k is a scenic trail running event held at Trifarm in Boreham, Chelmsford, Essex. Organized by Multisport-Management, this race is part of a seasonal series and features a mostly off-road course, with over 95% of the route on public footpaths and bridleways. The course foll..

The Orion Harriers Forest Five Series is a running event held at Jubilee Retreat, featuring a 5-mile race through forest terrain. Established in 2009 to support the Orion Harriers clubhouse, the 2025 series includes three races on Saturday mornings in June, July, and August. The third race also serv..

Sussex Loops is a challenging outdoor event held at Forest Row Village Hall in East Sussex, featuring distances of 12, 18, 25, or 31 miles with up to 3,250 feet of ascent. Participants navigate three loops exploring the scenic Ashdown Forest and surrounding countryside: the South Loop (12 miles), We..

The Vanguard Way Marathon is a scenic running event held near Croydon, starting from East Croydon Station, just 20 minutes from central London. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles), following part of the Vanguard Way National Trail, a 66-mile route stretching..