Any memory sport geek out there?
http://mullenmemory.com/blog/2016/5/10/2016-usa-memory-championship-recap
Alex Mullen, current memory champion and world record holder for learning a deck of cards, just did it again. He took 18.653 seconds to learn the order of a shuffled deck of cards, awesome!
If you're interested in how it's possible to do that, the answer is: Method of loci. It's an awesome technique, that enables almost everybody to learn countless things by heart, check it out! Or ask me.