Princess Beatrice completed the 26.2-mile race as part of a team in 2010, but she's the only British royal to have taken on the iconic running challenge
The 44th edition of the London Marathon will take place on Sunday April 21, with around 50,000 runners - both amateur and professional - set to run 26.2 miles across the capital.
Marathon training essentials for beginners: From fuel to kit, trainers to massage guns, discover everything HELLO!'s Senior Lifestyle & Fashion Writer is using to train for the TCS London Marathon