Great South Run 2026 with Mountbatten Isle of Wight Run the iconic Great South Run through Portsmouth, in 2026, and raise vital funds for Mountbatten Isle of Wight. It takes place on 18 October, but we invite you to register your interest today, giving you maximum time for training and fundraising. CLICK HERE to register your interest in taking on the AJ Bell Great South Run in aid of Mountbatten Isle of Wight CLICK HERE to sign up via the AJ Bell Great South Run official website Join Team Mountbatten Isle of Wight and take on the AJ Bell Great South Run on 18 October. This hugely popular 10-mile run, with it's inspiring history and salty air, has magnificent sea views guaranteed. Year on year, this event gets better, with fantastic support along the whole route, from cheering spectators, music to motivate, and incredible atmosphere from over 25,000 other runners alongside you. This event sells out fast, and we have limited spaces available, so if you are considering setting yourself a new challenge for the year, or are a regular runner who wants to do the race again, let us know by registering your interest today! How to take part in the AJ Bell Great South Run in aid of Mountbatten Isle of Wight on 18 October 2026. CLICK HERE to register your interest Ready to commit? CLICK HERE to sign up via the AJ Bell Great South Run website You'll be asked for £50 deposit to secure your place. We ask that you raise at least £300 through sponsorship or other fundraising activities. Our fundraising team will support you with tips and ideas to help you raise as much as you can. Interested in other challenges to support Mountbatten Isle of Wight? Click here to browse Mountbatten Isle of Wight 2026 challenge events Manage Cookie Preferences