Garmin dominates the running tech space, and their watches are virtually ubiquitous among serious runners. But their training plans for marathon runners require some tweaking.

The Urban Prepper explores Downtown GPS Testing: Garmin eTrex 30 with focus on preparedness, utility, and survival strategies. Ray Dalio warns of debt surge, brewing ‘civil war’ in U.S.

While using your phone’s sat-nav would cause it to conk out long before you’d had a chance to stock up on Candy Kahuna refills, the eTrex Touch’s battery lasts up to 130 hours with the GPS turned on.