Saturn 7 Hour Time Challenge - Wraysbury
Wraysbury, United Kingdom • 1 May 2026
Event overview
The SATURN Midweek Chasing Numbers is a 7-hour timed running event held on Friday, 1 May 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). The event is limited to 300 entrants. Entries close 30/04/2026. Minimum age to enter is 12 years. Entry fees listed are Affiliated £25.00 and Unattached £27.00. Transfers are allowed for £2.50 up to the day before the event; later deferrals to another event are available for a fee of £18. Age rules: runners over 45 km must be at least 20 years old; 18 and 19 year olds may run up to 45 km.
Format and distances
The event is a flexible time challenge that lets participants control their distance within the 7-hour limit. Distances and lap structure include:
- 3 km minimum finisher distance.
- 7 km full lap (4.37 miles); may change to a 3.28 mile loop.
- Half marathon: 3 laps.
- Marathon: 6 laps.
- Ultra: 7 or more laps.
- 50 km distance available.
A 3k turn point and 5k turn point are provided on the lap to help comply with age restrictions.
Course, facilities and services
The course runs along a stretch of the River Thames, is fully signed, and is mainly well-made paths and tarmac with a short grass section. Road shoes are suitable year round. Toilets and changing facilities are available at race HQ, which also includes a cafe. There is a large pay-on-exit car park at Runnymede Pleasure Grounds near the start. A bag drop is provided but is unmanned and items are left at participants’ own risk. Headphones are allowed. The event takes place on public footpaths; participants are asked to be considerate of other path users.
Aid, awards and extras
An aid table and drinks table are available at the start/finish of each lap with savoury, sweet, fruit, cheese and vegan items. Finishers who complete at least 3 km receive a medal and a goody bag; a vegan goody bag option is available. Distance pins are issued for half-marathon and higher achievements and are attached to the medal ribbon. Special event numbers can be provided for milestone events (for example 50th, 100th). Visit the organization's website for the most recent information.