Saturn 7 Hour Time Challenge - Staines-upon-Thames

Saturn's 7 Hour Time Challenge in Staines-upon-Thames is a flexible endurance event along the River Thames. Based at The Last Hop, Clarence Street, participants choose distance within seven hours, with a minimum of 3 km and full laps around 4.37 miles (7 km), subject to course changes. Laps count toward a half marathon (3), marathon (6), or ultra (7+), with a 50 km option.

The signposted course is mostly flat paths and tarmac with a short grass section, suitable for road shoes. Perks include finisher medals after 3 km, distance pins, goody bags (vegan options), an aid table, toilets, bag drop, and parking. Max 300 entrants; walkers welcome; age rules apply. Visit the organization's website for the most recent information.