A 16-year-old from New Zealand has set a new world record for the fastest mile run by an under–18 athlete. Sam Ruthe crossed the finish line in an extraordinary 3:48.88 minutes at the John Thomas ...

Runner's World is the ultimate resource for runners of all levels, from beginners lacing up their first pair of running shoes to seasoned athletes chasing their next milestone. With decades of ...

As a model of successful aging, you can’t beat 82-year-old Juan López García. Really, you can’t beat him. Sixteen years ago, at age 66, López García first tried running a mile. He’d recently retired ...

After months of intense training and finally crossing the finish line, you find yourself sick after running a marathon. Whether it’s stomach upset or flu-like symptoms, it’s normal to feel sick after ...

When you’re just starting a running routine, you’re probably focused on getting out and clocking distance or time on your feet. And that’s smart, as you need to run consistently to get better at ...