>>7519463A post on account, which is run by his father Rudolph Senior, says he crossed the line in just 13.48 seconds, beating his personal best by 1.5 seconds.
If that time is correct, it is a new record - USA Track and Field says the previous best time for a seven-year-old is 13.67.
His dad wrote: "Proud to say my son maybe the fastest 7 year old in the world. To the top love all those hours of training paid off."
https://www.instagram.com/p/BtruBUVhvHV/