1. Just ran my 1st Marathon – The San Francisco Marathon #SFM2012 -It was EPIC [And I Youtube video documented the entire 1 year of training runs] However, I could of used some of your advise. Congrats on your achievements!

  2. It would be good to mention what age groups those HR would apply to. A target HR for a 20 year old would be very different to a 60 year old. If a 60 year old had a HR of 195, call 911.

  3. Free Delivery ….. i got mine from polar-watches net
    they had them all! brilliant watch

  4. Thanks for that mate! Great advice

  5. Cheers this clip really helped, was losing faith in the monitor

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