By Paul Eddison Longevity in swimming is rare but as Duncan Scott bids to reach his third Olympics, he is confident he has found the recipe. With six Olympic medals in his collection already, Scott ranks among the greatest Brits to have graced the pool, with the chance to match Jason Kenny’s all-time record of nine for a Team GB athlete in his sights. He comes into 2024 off the back of a tricky year, swimming just one individual race at last year’s World Championships, the 200m individual medley. In typical Scott fashion, even in what some might consider a down year, he managed to win world si…