Wojciech Nowicki of the Slovak Republic releases the hammer. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Hellen Obiri of Kenya crosses the finish line in the women’s 5000 meters. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Brittney Reese of the United States jumps in the women’s long jump. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Janay Deloach of the United States jumps in the long jump. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Alysia Montano of the United States leads the field in the women’s 800m race. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Tomasz Majewski of Poland reacts after throwing poorly in the shot put. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Sandra Perkovic of Croatia winds up to throw the discus. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Tom Walsh of New Zealand winces after scratching in the shot put. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
O’Dayne Richards of Jamaica releases the ball during the shot put. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Gelete Burka of Ethiopia leads the pack during the women’s 5000m race. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Nicole Tully of the United States is helped off the track after finishing last in the women’s 5000 meters. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Joe Kovacs of the United States yells after winning the men’s shot put. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Mo Farah of Great Britain runs during the men’s 10,000 meter run. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Kaylee Domzalski/Emerald)
Mo Farah of England round the back curve during the men’s 10,000m race. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Mo Farah of England looks back after passing William Sitonik of Kenya on the final stretch of the men’s 10,000m race. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)
Mo Farah of England signs autographs after leaving the press tent. The Prefontaine Classic is held at Hayward Field in Eugene, Oregon on May 27, 2016. (Adam Eberhardt/Emerald)