Saturn 7 Hour Time Challenge - Staines-upon-Thames

The Saturn 7 Hour Time Challenge, known as the Great British Bake Run 2025, takes place in Staines along a scenic stretch of the River Thames. Participants run laps of a mostly flat, well-surfaced course featuring paths and tarmac, with a short grass section. The lap distance is approximately 4.37 miles (7km), with options for shorter turns to accommodate younger runners.

Runners can cover any distance within 7 hours, from a minimum of 3km up to ultra distances, with medals awarded for completing at least 3km. The event offers a festive atmosphere with a baking competition, aid stations with diverse snacks, vegan options, and a unique cupcake medal that doubles as a fridge magnet. Facilities include toilets, changing rooms, and parking nearby. Visit the organization's website for the most recent information.