In the United Kingdom, particularly at Sandringham Estate in Norfolk, King Charles III made a surprise appearance at the parkrun event on February 1, 2026. This event is organized in partnership with the Move Against Cancer charity, coinciding with World Cancer Day that is coming up next week. During this event, the King interacted with the participants, cheering them on as they completed their first lap. His presence was particularly meaningful given his own journey with cancer treatment as an outpatient since February 2024. This visit marked the second consecutive year that King Charles has surprised the joggers at this annual event, highlighting his support for initiatives aimed at raising awareness around cancer.