Many of us assume that the ageing process is a fixed process, that we reach our peak then begin an irreversible decline. However, ageing is not a fixed process – we can change its trajectory. the world of sport represents a fascinating ‘laboratory’ for studying human potential in the absence of sedentary behaviour. In athletic competition, cardiovascular, respiratory, neuromuscular as well as cognitive systems must all work well individually, and as a system, making it one of the best testing grounds for how our body and brain should work together at their best. The performance of masters athletes can provide us with a biological model to understand what healthy, optimum aging looks like.