Support Us Events & Challenges Running Royal Parks Half Marathon This stunning central London Half Marathon, takes in some of the capital’s world-famous landmarks on closed roads, and four of London’s eight Royal Parks – Hyde Park, Green Park, St James’s Park and Kensington Gardens. This is a very popular race, so sign up below ASAP to secure your place in this fantastic event through the city’s famous parks. Registration fee: £35 Minimum Sponsorship Target: £350 By registering, you are agreeing to our event terms and conditions.