The 40th Annual Harefield Fun Run and Family Day Join us for a very special celebration. The Harefield Fun Run and Family Day is turning 40 in 2023 and we want to make this our biggest Fun Run yet. Join hundreds of friends of Harefield Hospital on Sunday 10 September 2023 for a run through the beautiful Harefield countryside that will raise funds for this world leading hospital. Afterwards, there will be cool gifts to buy, delicious food to eat, refreshing drinks, live music and all manner of fun at the Harefield Family Day. Tickets will go on sale next year and you can register your interest below to be emailed as soon as they become available. Register your interest now Below you can watch a video of the 2022 Fun Run and browse photos from the event. We hope to see you there in September 2023.