London challenge

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  • Big Half Marathon 2026

    London Tower Bridge , United Kingdom

    Are you ready for London’s most vibrant and inclusive half marathon? The 13.1-mile course takes runners from Tower Bridge to the Cutty Sark in Greenwich. The event returns in 2026 […]

  • Swim Serpentine 2026

    Hyde Park London Serpentine Bridge, London, London, United Kingdom

    Dive into the iconic Serpentine Lake at Swim Serpentine! Set in the heart of Hyde Park, London, this open water swimming event welcomes all levels—whether you're a first-timer or a […]