This weekend the Diamond League travels to Eugene, USA, where many of the world's fastest sprinters are set to race.
Jamaica's Olympic champion from London 2012, Shelly-Ann Fraser-Pryce, the fastest man in the world this year, Justin Gatlin, and the returning American favourite, Allyson Felix, are all set to feature in the third meet of the season.
The event will be a landmark 40th Prefontaine Classic with Gatlin having won more times than any other athlete ever.
It's possibly the 200m duel of Fraser-Pryce and Felix, along with Blessing Okagbare, the bronze medalist from the World Championships in Moscow last year, and Ivory Coast´s Murielle Ahoure, that will steal the show, though.
The Jamaican athlete stole the headlines last year when she won three golds in the Russian capital, adding the 100m and 4X100m titles to the 200 crown, but Felix is a champion of the past and is perhaps coming back to her best.
Okagbare has been in great form in the last couple of years and will certainly be a threat in this race, as will Ahoure, who took the silver in the World's in 2013.
The high-class sprinting won't stop there, though. In the men's events, Gatlin, fresh from his world-leading time of 9.87 in Beijing last week, will face a threat from countryman Mike Rodgers, as well as Jamaicans Nesta Carter and Nickel Ashmeade.
The American, winner of the Pre Classic on four occasions, has looked a class apart from everyone else so far this campaign, but will want to carry that on before the likes of Usain Bolt and Yohan Blake begin competing in the Diamond League again.
The meet takes place at Hayward Field, in the state of Oregon, this Saturday.
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