Kew The Run is a weekend that hosts the Kew Gardens 10km on 29th March 2025 and the Kew Gardens Half Marathon on 30th March, 2025. This Richmond 10K will take on a new course running entirely inside a flat Kew Gardens. The Half will start and finish inside Kew whilst taking on an additional flat and scenic route of the Richmond Riverside before finishing back at Kew.After the event, finishers and their families* can explore Kew Gardens that holds 50,000 living plants to be found across the UNESCO World Heritage site.