The essential vs. the overload: How ignoring certain advanced metrics on my Garmin watch has become my secret weapon as I prepare for the Garmin Tucson Marathon by michael.hicks@futurenet.com (Michael L Hicks) from Latest from Android Central on 2025-11-09 16:03 (#71BE9) I'm running a marathon in six days, and while I relied on my Garmin watch for my training, I only got in the best shape by ignoring Garmin's advice.