I've just purchased the pro version of the 10k, and am trying to figure out if it calculates mileage, like the Active apps do, with a built in GPS, or do I have to also use something else in the background like map my run?
I've just purchased the pro version of the 10k, and am trying to figure out if it calculates mileage, like the Active apps do, with a built in GPS, or do I have to also use something else in the background like map my run?