The summer is a fantastic time to get outside and be active, and if you're planning on getting serious about fitness this season, you might want to add a good fitness tracker to your repertoire to keep yourself in sync with your goals.

Get an advanced fitness trackers and running watches for their lowest prices of the year before Amazon's big shopping holiday.

If you've been waiting for Prime Day to upgrade your running watch, I've got good news — the sales have started early. I review running watches for a living, and have done so for the past decade, so I know exactly what I'm looking for when it comes to the tech on my wrist on race day.