Saturn 7 Hour Time Challenge

The Saturn 7 Hour Time Challenge is a flexible midweek running event held in Staines, UK, along a scenic stretch of the River Thames. Participants can run as many laps as they wish within seven hours, with each lap measuring approximately 4.37 miles (7 km), or a shorter 3.28-mile loop depending on conditions. The course is mostly on well-maintained paths and tarmac, suitable for road shoes, and fully marked for easy navigation.

The event welcomes all abilities, including walkers, and offers distances from a minimum 3 km up to ultra distances. Finishers receive medals, goody bags (including vegan options), and distance pins for half-marathon and longer achievements. Aid stations provide a variety of snacks and drinks, and facilities include toilets and changing rooms. Visit the organization's website for the most recent information.