This is a video of Armand Duplantis pole vaulting 11'2 as a 10 year old. He is now 11 and has gone 12'9" He is the WORLD RECORD Holder for 7,8,9,10,11 year old kids. He plays on my baseball team and is humble as they come...You can see his 12'9 jump by going to youtube and doing a search for armand duplantis.
http://www.runnerspace.com/video.php...O_lx_yhQRz2RRi