Kateřina Neumannová

Neumannová raced mountain biking at the Atlanta 1996 Summer Olympics, the sport's debut Games, between Winter Games where she won six cross-country skiing medals. The best came last, with 30km gold in Turin in 2006 after years of silver and bronze. The overlap is obvious once you see it: both sports reward climbing power and pacing over long, hilly courses, and she used summer racing as serious training for winter.