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.

If you want to know exactly how far, and fast, you've run, then a speed-and-distance monitoring (SDM) watch is an essential piece of kit. Timex, Garmin and Navman produce SDMs that use satellites to ...