Who’s the fastest, most fit human? World’s fastest human. i am not Usain Bolt, but i am one of the most physically fit and fastest 58-year-olds on the planet. And you might be too. • • • • • This website is about our BODY. To read today’s post about our SPIRIT, click here. By jeff noel Retired Disney Institute Keynote Speaker and Prolific Blogger. Five daily, differently-themed personal blogs (about life's 5 big choices) on five interconnected sites. View all of jeff noel's posts.