When it comes to running, it can be very easy to prioritise the sessions that really make you sweat – those runs that feel super hard. Like hills. But what if we told you running down those hills ...
Swap out some miles for a nice bike, pool, or yoga session to see your running longevity soar.
Cherie Gruenfeld, 81, is an Ironman Hall of Famer who completed her first marathon at age 42. She retired from competing at 78 with 14 world titles, and still competes in half-Ironmans and ...