London Aquathlon October 2025

Join us for the RunThrough London Aquathlon on Saturday 18th October 2025! Come and run a chip timed aquathlon, the event consists of a 400m swim inside London Aquatics Centre followed by 5k run around Queen Elizabeth Olympic Park. This course is not only flat and fast, but also inspiring. The RunThrough London Aquathlon is a great opportunity for a quick time and a fun morning out with a unique themed medal waiting for you at the finish! Included is a themed medal, water and post race goodies! Each kilometre of the run is accurately marked out with distance flags and we have plenty of helpers to keep you on track and to encourage you on your way to the finish. Come and enjoy the day with us; we hope to see you there!