Here you can view the stats for a specific player for all the packs available in the ATLauncher. It's broken down into the different packs and the amount of time played on each pack as well as the last time they played the pack. Currently the leaderboards are cleared every week on Mondays at 00:01 UTC.

United States

Pack	Minutes played	Hours played	Last played
PixelmonCraft	897.15 minutes played	14.95 hours played	4 days ago