The ULTRA LONDON race course traces the Capital Ring footpath, creating a captivating loop around Greater London. Runners will experience stunning local sights such as the Thames Barrier, Eltham Palace, Wimbledon Common, and Richmond Park, showcasing the city’s diverse beauty. The terrain varies, incorporating a blend of trails, footpaths, parks, and old railway lines amidst scenic woodlands. Participants can expect an array of surfaces, including gravel, grass, and tarmac, with potential mud depending on the weather, adding to the race's challenge and excitement.