You’ve probably got an excuse or two tucked in your back pocket for when you really, really , want to skip that run. Sadly, “feeling old” can no longer be one of them. In May 2025, Juan López García completed a 50-kilometer race in 4 hours, 47 minutes, and 39 seconds at the Spanish Master Championship in Malaga, turning a decade-long world record in the 80+ age category to dust, besting it by nearly 49 minutes. And naturally, that made a few scientists sit up and take notice. A team of Italian and Spanish scientists invited García into their lab for a battery of tests to figure out exactly what’s going on in his body, and to see if the rest of us mere mortals may be able to replicate his success. What they found, published in January 2026 in the journal Frontiers in Physiology , is the kind of data that will make you reconsider your relationship with the snooze button.…