I have bought a 5G 30 GB iPod some weeks ago, and I wondered if i can go out with it and go jogging.
I know that salesmen in stores tell me you can go jogging with your iPod without problems, but I do not trust them because the iPod is harddrive based.
Is there anyone who tried to go jogging without damaging his/her iPod?
I jog with mine (30 GB), but I make sure that the HDD won't spin up during my runs by using playlists smaller than the built-in cache size (32 MB).
It is very easy to exceed the operational G limit of a micro-drive and cause a head crash (where the read/write head impacts the drive platter) while jogging - especially if the iPod is mounted to your body in a high-impact-transfer spot such as your waist, or being held with its flat side parralel to the ground.
A single head crash won't necessaraly kill the iPod's disk, but over time, multiple crashes, or bad crashes will, as each time this happens, the read-write head not only removes magnetic material from the surface of the disk, the head itself gets extremely hot and runs the risk of failure.
The non-operational G limits are much harder to exceed since the disk platters are not rotating, nor will the heads crash, as they are already touching the disk in the 'landing zone'.
If you can't already tell, I'd advise against running with your iPod, unless you don't mind having a series of playlists of 6 or less songs, and don't mind stopping every 30 minutes or so to change playlists. (this time quote assumes you're using AAC/128.
Something I should also mention is that, like you, I sometimes run for longer than 1 hour. It's really not that much of a hassle to walk fast for 20 seconds or so while the iPod caches a new playlist, then start up again once you feel the iPod's disk click off.
The only time I really listen to music while running is on my long, relaxing runs - where stopping to walk fast is not that big of a deal. During higher intensity running I strongly believe that people should not be listening to music anyway - doing so makes us weaker competitors when we are faced with situations where listening to music is not allowed.