This video explains the "Ian Knot", the World's Fastest Shoelace Knot. It demonstrates how to tie the "Ian Knot" and compares it with the two most common knots used for tying shoelaces. You can read the information contained in this video and see detailed diagrams clicking here.
This shoelace tying information has been provided by Ian Fieggen.
Another reason why shoelaces will not stay tied is once shoelaces are worn or frayed by tying them many times they will get to where they will not stay tied as well as they did when they were new Shoelaces. Therefore shoelaces should be replaced every six to twelve months. The length of time depends on how often the shoes are worn.