There are apps and.: Many apps exist that you can monitor your progress, both for iphones or android (methyltestosterone) devices, which have gps. I am not endorsing a specific app, but with my iphone 4s, I use an app called cylcemeter, which measures and maps my routesw on my mountain bike, calculates speed, and if i redo the path later, it will compute your average speed for both. Many apps are available. See what the reviews are.
Answered 2/13/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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