Hello how may I help you? I have a question about a world records What is your question who is the fastest runner\ The worlds fastest runner is Usain Bolt, he was clocked at 28 miles per hour during the 100 meter sprint. Do you have any other questions? Tallest man ever live ? The tallest man to ever live was Robert Wadlow, he was 8 feet 11 inches (or 2.72 meters) tall. tallest building The tallest building in the world is the SOFAZ tower, it is 710,906 feet tall. Do you have any more questions? alright thank you No problem, I hope I helped you!