What did you do on your 21st birthday? If you’re anything like Alex Guimont, you set out with 7 people and a couple of tripping canoes to casually achieve greatness. A mere stone’s throw away from Las Vegas where other 21 year olds were having very different birthday parties, Guimont and co. were the first recorded team to paddle the Colorado River through the Grand Canyon in tandem tripping canoes without raft support.