Saturn 7 Hour Time Challenge - Wraysbury

Event overview

This is a 7-hour timed running event held on Friday, 24 July 2026 at Wraysbury Skiff & Punting Club, Egham, TW20 0AE. The event is limited to 300 entrants and entries close on 23/07/2026. The course follows a stretch of the River Thames, is fully signed and is mainly on well made paths and tarmac with a short grass section. The route is classed as flat / trail and road shoes are suitable. The regular course may be adjusted after a health and safety review.

Distances and lap structure

• Minimum 3 km (part of a lap)
• Full lap 7 km (4.37 miles) - may change to a 3.28 mile loop depending on course conditions
• Half marathon - 3 laps
• Marathon - 6 laps
• Ultra - 7 or more laps; 50 km option available

Age rules include a minimum age of 12 years. Anyone wishing to run over 45 km must be 20 years or older; 18 and 19 year olds can run up to 45 km.

Facilities and practical information

Finishers completing at least 3 km receive a themed medal. All finishers receive a goody bag; a vegan goody bag option is available. Distance pins are awarded for Half-Marathon, Mega-Half, Marathon, 50 km and Ultra and are attached to the medal ribbon. An aid and drinks table is provided at the start/finish of each lap with a variety of food including vegan options.

Toilets and changing facilities are available at the venue HQ. There is a pay-on-exit carpark at Runnymede Pleasure Grounds. A non-secure bag drop is provided. Headphones are allowed. Transfers and deferrals are permitted for stated fees and deadlines. The event is organised by Saturn Too Limited, a franchise partner of Saturn Running. Final race instructions and number pick up details are issued before the event. Visit the organization's website for the most recent information.