Live tracking and group tracking with Garmin, Wahoo, Quarq and Google - YouTube
Garmin - The Edge 820 comes with GroupTrack for when you pull away from the pack......or drop off from the pack...... (hopefully not) . Our new feature, GroupTrack1, allows you to pair
Garmin Edge 520 Plus and Varia RTL510 announced - BikeRadar
Garmin Edge 820 Bike GPS (2.3" Touchscreen ,Group Track Keeps Tabs on Fellow Riders ,Advanced Performance Monitoring) | Lazada