The Royal Parks Half Marathon 2018 Book Now On Sunday 14 October 16,000 runners will take on the 13.1 mile route through closed roads, passing by the capital’s world-famous landmarks and scenic views of four of the eight Royal Parks - an event not to be missed by any keen runner. Spaces are limited so apply now if you are up for the challenge! Please click here to complete our online registration form. We ask all our runners to pay a £75 registration fee to secure their place, and pledge to raise a minimum of £300 for Trinity. For more information contact Philip via [email protected] or visit royalparkshalf.com/.