Forerunner 610
Used by 1 personsites.garmin.com ↗
“If you're going to run no more than 5-6 hours (like a marathon), I'd recommend the Garmin Forerunner 610.”
Matt Cutts Interview, Head of Google's webspam team · via Uses This
“If you're going to run no more than 5-6 hours (like a marathon), I'd recommend the Garmin Forerunner 610.”