In June, 20-year-old Dustin Sebastian Coe broke the U23 record with a cannon time of 1.43.82 and a couple of weeks later he qualified as second at the British Olympic competitions.
But it looked like the medal jump would possibly miss the Olympics in Tokyo after he was caught with cocaine in his body.
According to The Times, that suspicion is now gone since it turned out that the urine sample was contaminated.
The men's trial of 800 meters begins on 31 July.