I love this new toy!!! The major differences between the 910xt and the 310xt is the swim features. Check it out for yourself. http://sites.garmin.com/forerunner910xt/#. The coolest part is that it calculates your SWOLF score and gives you a swim efficiency score. Check out my swim from the other day http://connect.garmin.com/activity/145705909. Its also very accurate. I have yet to test it in open water but I had I have heard that it is way accurate something the 310xt didn't have. It also doesn't feel like a brick on your wrist!
5 years ago