A study of a woman who died in 2024 as the oldest person on Earth attempts to untangle the factors that enable some people to ...

Natalie Grabow’s body broke down as she crossed the finish line at the Ironman World Championship this week, though it wasn’t clear whether it was due to exhaustion or pure emotion. Grabow, who turned ...

For most people—regardless of age—so much as attempting a triathlon is a daunting prospect, let alone actually completing one. Even more impressive would be finishing fast enough to officially rank.