Last year in Jamaica, he ran a 31.03 (#3 all-time) - not too far off of Michael Johnson's world best 30.85.
He says his tight hamstring is feeling great.
Eaton: "I hope people realise Usain Bolt will destroy me in the race. The goals are 1: Be in proximity to and experience that kind of speed. 2: See how many metres I can stay relatively close. 3: PB."