Latest Events Vitality Big Half Marathon The Vitality Big Half is London's community half marathon and welcomes participants of all ages (17+), abilities and levels of experience. More than a half marathon, The Vitality Big Half will bring together Londoners and runners of all backgrounds. Participants will get support every step of the way from the cheering crowds and live music along the route. Where: The 13.1-mile course starts by Tower Bridge and finishes at the iconic Cutty Sark. When: Sunday 10 March. The race starts at 9am. Register for a ticket below and we'll drop you an email to confirm your place and whether you want to do the 5 or 10KM. Easy! Set up your own fundraising page here. 100% of the money you raise goes to Hestia when raised through our website. See you there! Booking for this event has now closed.