Here are some links that may be of interest to you.


http://www.irunfar.com/ - This is a website about ultra running. But, even if you not an ultra runner, you will find here something that relates to you. 

http://www.polar.com/en

http://www.dcrainmaker.com/ - This guys writes great sport related product reviews. If you are not sure which sports watch to buy, this is a good place to start.