Home > Technology First Look: Garmin Forerunner gauges VO2 Max, Stride Style on Run Written by Stephen Regenold Sep 16, 2013 8:05 a.m. ET Share this:Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window) Support us! GearJunkie may earn a small commission from affiliate links in this article. Learn More Forerunner 220 Forerunner 620 comes in white and other colors Note unique gauge readings on the watch at left (measuring a runners’ cadence, vertical oscillation, and ground contact time) Forerunner 220 Pages: 1 2