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The 10 Best running watches

These devices won't just give you the time of your jog – but calories burned, your heart rate and the route taken.

A week with: Garmin Edge 810 bike satnav

Price: £379.99
Screen: 2.6-inch touchscreen
Battery life: 17 hours
Maps: Built in mapping and Ordinance Survey compatible
Connectivity: Automatic Bluetooth syncin