https://buy.garmin.com/shop/shop.do?pID=11039&ra=true
The only GPS/HRM you will ever need to buy! I bought mine 2 years ago and it has changed the way I work out! I used to have at Timex GPS and a Polar HRM and don't really recommend either compared to the all in one Garmin. Tells you everything you ever want to know. If you are hiking tells elevation, distance, calories burned, how to get back to where you started from if you get lost etc. etc. If you are running you can use it for distance, pace, or set up a virtual trainer that you can race against. Biking same sort of thing as you just tap a couple buttons to get it onto bike mode. Can't say enough about it and I use it all the time (unlike my garmin gps in my car). I wanted one so bad I went into the Running Room and allowed myself to be ripped off but you can get them online for less. Battery charges quick also! You can get about 8 hours on a charge so if you are going for an epic hike you may have to turn the GPS off part way up but for most things that is enough. I wear it swimming also despite being told not to...so I guess it is waterproof....