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.

You don't have to wait until July to save. We've rounded up the best early Prime Day deals worth checking out now.