The 2nd Annual Jigsaw Puzzle Jamboree has a speed puzzling contest Feb 20 (cardboard jigsaw puzzle) that you can do from the comfort of your own home.
The entry price is a bit steep because it includes the 500 piece (cardboard) jigsaw puzzle you'll be speed-doing.
They have divisions for individuals, families, and friend-groups.
You have to register by February 3 (so they have time to ship you the puzzle, which you are NOT supposed to open until the contest starts).
Ignore where it says to register by Dec 20, you have until January 31 to sign-up!