Well, Mark Kleanthous, dubbed 'Britain's fittest 64-year-old,' is proving age is just a number after competing more than ...

Dropping 60 pounds in six months, this out-of-shape dad became an ultra-endurance athlete at 39 ... can help restore land that's been ruined by years of coal mining A triangle pointing right ...

In the race for PBs, it turns out your best days might not be behind you. Although it's a common belief that we all lose stamina with age, the decline varies, depending on several factors, says Lucie ...

While normal adults have resting heart rates between 60-100 beats per minute, hearts of endurance athletes can beat only 30 times per ... More than 500 marathons take place in Europe and America each ...