Garmin Forerunner 630

Amazon.com Price: $264.95 (as of 02/06/2019 08:20 PST- Details)

2ND GENERATION RUNNING DYNAMICS -Calculates 6 advanced running dynamics: stride length, ground contact time balance, vertical ratio, cadence, vertical oscillation and ground contact time
PHYSIOLOGICAL MEASUREMENTS -Supports advanced physiological measurements: stress score, performance condition, lactate threshold, recovery time, VO2 max, predicted race times
BATTERY LIFE – Long-lasting, user-replaceable battery.

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