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I ran the New York City Marathon wearing seven fitness trackers to see how they compare, and I left with a few favorites. I received a lot of strange looks, but if shame is the price to pay for finding the best fitness tracker for running a marathon, so be it.
While training for the race, I used 10 different trackers in total — deep breath — the new Apple Watch Ultra 3 (which replaced my Apple Watch Ultra 2, which replaced my Apple Watch SE), the Garmin Forerunner 570, the Whoop MG, the Pixel Watch 4 (as well as the older Pixel Watch 3), the Suunto Run, the Oura Ring 4, and the Fitbit Charge 6.
In the end, I ran the marathon using the seven most updated models of our top contenders. I was most impressed by the Whoop MG, Garmin Forerunner 570, and the Apple Watch Ultra 3. The more affordable Suunto Run also has a lot to offer runners.
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