Erin Andrews and NHL Boyfriend Jarret Stoll -- Hardbodies

Erin Andrews took a break from being yelled at by NFL superstars to remind you ... she's actually in pretty good shape.

Andrews and L.A. Kings star Jarret Stoll are on a little couples retreat at the moment -- and decided to spice things up with a stand-up paddle board session.

Not as exciting as getting screamed at by Richard Sherman ... but still, impressive.