He had bright eyes and a big smile for each of the thousands of runners who headed over to him at the finish lines of almost every runDisney race. Thank you for giving me the gift of running, they ...

In our new, bi-weekly series CUriosity, experts across the CU Boulder campus answer pressing questions about humans, our planet and the universe beyond. This week, Psychology and Neuroscience ...

As a competitive distance runner, my teammates and I had a saying to help motivate us on hard days: you never regret going for a run. It seemed true at the time; we generally felt happier and more ...

Take a group of runners circling a track at unique, constant paces. Answering the question of how many will always end up running alone, no matter their speed, has vexed mathematicians for decades.

While most runners are chasing after a new goal or a personal best, some are chasing after something slightly more elusive: a runner’s high. Some describe it as euphoria. Others as calm, clarity or ...