Magna Carta Winter
Egham, United Kingdom • 21 Feb 2026
Event overview
Magna Carta Winter is a road and trail running event held at Wraysbury Skiff & Punting Club, Riverside, Egham, Surrey TW20 0AA. The races use the Thames Path beside the river and are described as flat out-and-back lapped courses set in scenic Runnymede. Entry fees are listed between about £33 and £55. Photographs are available for purchase within 24 hours of the event.
Course formats and support
Distances offered:
- 10 km (listed as 10.09 km / 6.27 miles)
- Half marathon (listed as 13.14 miles)
- Marathon (listed as 26.35 miles)
The marathon is made up of five 5.27-mile sections to Old Windsor Lock and back, giving a total distance of 26.35 miles (allowing for GPS variance). The half marathon comprises two shorter out-and-back loops plus two 5.27-mile out-and-back sections, totalling 13.14 miles. The 10 km route combines a short out-and-back loop with a 5.27-mile out-and-back section, totalling about 10.09 km.
Turnaround points are marked and marshalled. The event provides well stocked checkpoints at the start/finish and at Old Windsor Lock, professional chip timing with results, and on-course medical first aid support. Unique Magna Carta themed medals and slate awards for 1st–3rd male and female finishers are included. Runners World has rated this course among the top 10 marathons in the U.K. Visit the organization's website for the most recent information.