'VERY USEFUL AND WHAT IS REQUIRED FOR THOSE LONG RUNS.'
Strengths: The graphic view on the website of your mileage pace. Watching the number of miles creep. the comparisons between similar distance. Paula and Lance speeches very motivating.
Weaknesses: Calibration of unit can take a few goes. changing shoes also changes the speed( If only it was true). Some friends have complained about the sensor in the nike shoes can be uncomfortable.
Overall: A very useful and relatively cheap piece of kit. I have found the forums for nike + very useful. I was take it running and listen to your favourite songs can be very motivating. on the whole buy it if you are short funds for the expensive gps models!
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