Retirement is often a time when people slow down, but in Christine Hobson’s case, she’s speeding up. When her daughter persuaded her to join a running club so she wouldn’t get bored, she had no idea she’d get the fitness bug and run 125 marathons in total, visiting all seven continents. And the 72-year-old former teacher has plans to run the North Pole marathon in 2027. Hobson, who believes that exercise is the best anti-aging hack, tells Fit&Well: “I think what makes you old is not doing anything and just being sedentary, sitting around watching TV all the time. I really believe the less you move, the less you’re able to move, so when I retired at almost 61, I decided that my new job was to get fit. Latest Videos From “Aging isn’t just about age—if you make life easier now, the future will look after itself,” she says. Hobson, who strength trains too, has since become a fitness influencer, amassing over 132,000 followers on Instagram, where she shares workouts and her thoughts on …