After leaving various clues on social media, Mark Allison aka Run Geordie Run has finally revealed that his next challenge will be to run around the world. He will begin by covering 3,580 miles from Lisbon to Istanbul in 100 days, and will finish the challenge in New Zealand in 2024.
The journey will be split into eight sections and will see him pass through 23 countries across four continents, covering a total of 20,000 miles. He has already run from John O'Groats to Land's End, and across the USA and Australia so those sections are already ticked off.
Mark explained the reasons behind the challenge: "Australia was the toughest thing I've ever done. I had no idea how hard it would be. It almost broke me. When I came home I needed time to recover, mentally and physically, and I began thinking about why I run, why it's important to me and why I feel the need to continue.
"It was clearly all very much on my mind because I dreamt about this world challenge. I could see a map of the world with segments crossed off which I've already covered. It sounds daft but that's really how I came up with this idea."
As with his previous challenge, Mark will be raising funds for The Children's Foundation and the Sir Bobby Robson Foundation, with a target of £50,000.
For more information, visit the Run Geordie Run blog.