Meredith Dietz
Meredith Dietz Senior Staff Writer
Experience
Meredith is a marathon runner and stand-up comedian. As Lifehacker’s Senior Staff Writer, she covers personal fitness tech, home gym equipment, and more.
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May 8, 2026
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Credit: Meredith Dietz
Table of Contents
Last weekend, I strapped two Garmin running watches to my wrists and raced a 10K—the top-of-the-line Forerunner 970 on one arm, and the budget-friendly Forerunner 165 Music on the other. Whether you're toeing the line at your first 5K or chasing a marathon PR, one thing I learned is that even the most powerful running watch in the world won't help you on race day if you haven't set it up properly beforehand. Here's the checklist I wish I'd had before race day.
How to train with a Garmin watch before a race
Once you've registered for a race, it's time to start training.…