The course is 5000m (5K) long. The course is in Gunnersbury Park, South Ealing, West London, near to the car park and childrens play area. It is mostly on park pathways, with short sections on grass. Some of the pathways are in need of resurfacing so there are some trip hazards. Some sections of the course may accumulate mud, leaves and puddles after rain. Dependent on availability, marshals will be at key sections of the course, or signs will be in place.