Speed

Pro athletes are doing it, and it’s coming to a gym near you. Greatist investigates the rise of Keiser, the leading brand of pneumatic resistance machines that uses compressed air in place of weights so athletes can train at game speed.

Some things go bump in the night, but is your running tempo one of them? Read on to find out if the sensation of running faster at night is real — or all in our heads.

Feel the need for speed? Here are 25 ways to run faster this year and earn that new PR. Ready, set, go!

Feel the need for speed? Here are 25 ways to run faster this year and earn that new PR. Ready, set, go!

Pro athletes are doing it, and it’s coming to a gym near you. Greatist investigates the rise of Keiser, the leading brand of pneumatic resistance machines that uses compressed air in place of weights so athletes can train at game speed.

Some things go bump in the night, but is your running tempo one of them? Read on to find out if the sensation of running faster at night is real — or all in our heads.