This adidas miCoach speed cell can give you the definitive score on how you measure up.

With up to 8 hours worth of speed, acceleration, distance and pace data, the speed cell answers the question of who's fastest, once and for all.

It fits invisibly in miCoach compatible boots or shoes (and comes supplied with a lace clip for everything else).

The Connect allows iPhone users to upload data directly from the miCoach Speed Cell to your iPhone so you can keep track of progress and share results right from your phone.