Who is the fastest person in the world on cross-country skis? Seems like a straightforward question, but the answer will unquestionably surprise you. An attempt to answer this seemingly easy question might quickly veer straight to the usual suspects. Johannes Hoesflot Klaebo would certainly rise to the top of the list—a Sprinter undefeated for an entire season seems like a good guess. But you would be very wrong. Bjorn Daehlie in his prime would be...