Magna Carta
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
The Magna Carta Winter event is organised by Hermes Running at Wraysbury Skiff & Punting Club, Riverside, Egham, Surrey TW20 0AA. The event date listed is 21 February 2026. All races start near the River Thames in the Runnymede area. The routes are out-and-back lapped courses along established river paths and are described as flat and fast. Runners World rated the course as one of the top 10 marathons in the U.K.
Course and distances
Turnaround points are fully marked and marshalled. Checkpoints at the start/finish and Old Windsor Lock are reported to be stocked with energy drinks and food.
- 10 km - 6.27 miles (10.09 km), one short loop plus one 5.27-mile out-and-back
- Half marathon - 13.14 miles, two short loops plus two 5.27-mile out-and-backs
- Marathon - 26.35 miles, five 5.27-mile out-and-back sections
Maps, GPX routes and a route video are provided by the organiser for each distance. The registration and race headquarters are at the Wraysbury Skiff & Punting Club. Visit the organization's website for the most recent information.