Samoa won the Plate, Canada won the Bowl and Russia took home the Shield at the inaugural event in Vancouver.
A record 60,418 fans turned up across the two days with the tournament set to go down in history, also the first sevens event to be played under a closed roof.
Another bit of magic from Samoa's man of the moment Phoenix Hunapo-Tofoa played a pivotal role as Samoa won the Plate.
Alex Samoa scored twice in the win as move to ninth in the series standings with the win, with Hunapo-Tofoa setting up his second which secured the win despite consolation tries from Madison Hughes and Ben Leatigaga for the USA.
The final score was Samoa 31-USA 19