His name is Sam Kendricks, a world champion. One of the best pole vaulters in the world right now. He would have been seeded 3rd with a life time best of 6.06m. (Only behind the former world record holder and the current world record holder).

https://www.theguardian.com/sport/2021/jul/29/olympic-athletes-fear-domino-effect-as-pole-vaulters-test-positive-for-covid

https://www.youtube.com/watch?v=IAnf3jPSX7o

(He stops in the middle of his run to stand for the national anthem)

Here's where it gets interesting. Kendrick's is in the USA military, and is epitome of a classy gentlemen. If I'm not mistaken he is openly Christian and Conservative. Born in Mississippi.

If anyone was a conspiracy minded individual, one could speculate that the tests are, well... RIGGED.