CES 2014: Wearable fitness technology fun run
6 January 2014 Last updated at 08:41 GMT
A major theme at the Consumer Electronics Show (CES) in Las Vegas this year will be wearable technology - especially gadgets that track fitness levels.
Ahead of the show's opening, the BBC technology team invited some of the many companies and enthusiasts of wearable tech on a fun run around the city.
Video journalist: Dave Lee
You can follow Dave Lee on Twitter at @DaveLeeBBC.
With thanks to Tim Kelly and the Las Vegas Running Company