Garmin's Forerunner-570 brings serious athlete-level tracking to a sleek, 42-mm AMOLED smartwatch built for runners and triathletes. It combines a bright display with multi-band GPS, built-in microphone and speaker for on-wrist calls, skin temperature sensing, and a suite of training tools-plus Garmin Coach adaptive plans, to help athletes prep, recover, and perform better from one race to the next.