Get involved Ways to support Challenge events Get fit, challenge yourself, raise awareness and funds for a great cause. What's coming up in our challenge events calendar? It’s never too late to join one of these great events: London Landmarks Half Marathon 4 April 2027 Great Scottish Run Half Marathon 4 October 2026 Manchester Marathon 18 April 2027 Tough Mudder series Various Dates Oxford Half Marathon 11 October 2026 Cardiff Half Marathon 4 October 2026 Manchester Half Marathon 4 October 2026 Royal Parks Half Marathon 11 October 2026 Yorkshire Marathon 18 October 2026 Great South Run 19 October 2026 Inflatable 5K/10K series Various Dates All other events Charity Challenge From the North Pole to the South Pole, and covering deserts, rivers, mountains, forests and jungles in between. DIY Fundraising We’re always open to new fundraising ideas and innovations, but here are just a few to inspire, and hopefully make it fun and engaging to be able to help our cause. Manage Cookie Preferences