Also, I'm almost sure, judging by the interface and buttons, that the Mio is a rebadged Globalsat 580 with improvements. As the Globalsat is also the Timex Cycle training, it is worth trying if some software (e.g. Sport Tracks) can recognize the Mio as one of those devices. I convert my 580 tracks to GPX using Sport Tracks. Unfortunately it looses all Cadence info, but at least it works.