Get Involved Challenge Yourself The Vitality Big Half We are pleased to announce we have 5 running spaces in this year's running event. We will be updating our challenge events pages shortly with more details about the event and how you can sign up to run for us, if you would like to be one of our fantastic 5. In the interim all event information about the run can be found on The Vitality Big Half website. Thank you for visiting our page. Last edited: Friday 8th January 2021.