Piotr Lisek of Poland clears the bar during the Pole Vault. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

Denmark runner Sara Petersen takes off from her block in the Women’s 400mH. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Sam Kendricks of the United States uses his pole to pull off the ground during the men’s pole vault competition. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

After his second round of the Men’s triple jump, USA’s Will Claye looks up in thanks as he receives roars from the crowd. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

USA’s Ryan Crouser goes for his second shot put throw. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Former Oregon hurdler Devon Allen clear a hurdle during the men’s 110m race. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

Great Britain’s Mo Farah pulls toward the front of the pack in the second to the last lap of the Men’s 5000m. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Fans in the west grandstand watch as Mo Farah runs the final meters of the men’s 5000m race to win it. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

Mo Farah, runner from Great Britain kisses the ground after winning the Men’s 5000m. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Mo Farah of Britain celebrates after winning the men’s 5000m race. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

Airine Palšyte from Lithuania clears the bar in the women’s high jump. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

After setting the record for the Women’s 400mH, USA runner Ashley Spencer lays down to soak it all in. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Ashton Eaton and Brianne Theisen-Eaton complete a ceremonial lap around the track during the meet. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

Well ahead of the pack, Thiago Do Rosario Andre from Brazil celebrates his win as he passes through the finish line. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

After getting injured during the Men’s 400m, Botswana runner, Karabo Sibanda, is escorted out in a wheelchair. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Ryan Crouser of the United States releases the shot during the men’s shot put competition. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)

In a close finish, Omar Mcleod from Jamaica leans towards the finish line. The Prefontaine Classic is held at Hayward Field in Eugene, Ore. on May 27, 2017. (Amanda Shigeoka/Emerald)

Ronald Kwemoi celebrates after winning the Bowerman Mile race. The Prefontaine Classic is held at Hayward Field in Eugene, Ore on Saturday, May 27, 2017. (Adam Eberhardt/Emerald)