most handheld gps units have a "max speed" field. just reset the max speed, put it in your pocket, and do a few long runs and see what it says.
I had my gps up to 381K.....didn't think the ol yammie could do that
I had my gps up to 381K.....didn't think the ol yammie could do that
it won't, unless dropped from a chopper.I had my gps up to 381K.....didn't think the ol yammie could do that
it won't, unless dropped from a chopper.