Daniela Ryf is the most dominant female athlete in recent history when it comes to professional long distance triathlon and racing on the biggest stages which led Professionals Rachel Joyce and Mirinda Carfrae to wonder whether Daniela can be beaten on her best day. Lucy Charles-Barclay has been tormented by a series of 2nd place finishes behind Daniela (and most recently Anne Haug) but the challenge will surely make her a better athlete. Mirinda Carfrae compares the rivalry between Daniela and Lucy to her rivalry with Chrissie Wellington and she never got a chance to race together when they were both at their best