Garmin Forerunner 310XT (GPS receiver)

Pros: Better battery life (>10 hours), nicer functions compared to the earlier Forerunner 305, more comfortable on the wrist too. Satellite reception is great and once it has a fix it will keep it even in dense tree cover and urban environments. You must g

Cons: The ANT wireless transfer of data is an absolute disaster zone. It rarely works first time, and any large transfer such as a firmware update, course transfer or workouts, it will inevitably fail. You will have to start the transfer all over again, and ra

Summary: If you can get it to work then it is indeed a great watch with good battery life and satellite pickup on the road or run. However the wireless ANT connection is very problematic, incredibly slow and dropping out on a regular basis. The mapping of your track on the watch often fails too, and history is not always successfully downloaded despite being in the watch history. I would not recommend this watch - go back to the forerunner 305 for fully functioning and good data transfer if you can cope with the poorer battery life and slightly less comfortable fit.