A horizontal line on a distance-time graph close distance-time graphA graph with distance travelled plotted on the vertical axis against time taken on the horizontal axis. shows that the object is ...

The fastest Olympic sprint was Usain Bolt’s 100 meters at the London Games, averaging more than 23 miles per hour for 9.63 seconds. Marathoners, who run for two hours, top out around half of Bolt’s ...

Speed is a measure of how fast something or somebody is moving. The units of speed are linked to the units of distance and time being used. A formula triangle is a quick way to calculate the speed, ...

A few weeks ago the NHL finally unleashed its long-awaited player tracking data onto the public. Now it’s time to dissect what it all means. Sometimes, all it means is “That’s cool!” — and that’s OK.

Learn how Olympic speed skating works—event formats, race distances, elimination rounds, mass start rules, and how skaters ...