I did 2 short snowshoe runs earlier today. The data appear correct in the History screen on my Forerunner 15. When I tried to sync, they showed up briefly, but with a map that was thousands of miles away and with no route showing. Then they disappeared, and despite 2 or 3 more attempts to sync, they don't show up at all. The distances and calories burned do seem to be included in my daily totals, though. Does anyone have any idea how this could happen? Not really a big deal, assuming it doesn't happen often, but it would be nice to solve the mystery.