Luckily no one was seriously injured. After things returned to normal, America's world champ Emma Coburn nearly go the twin.

Ayanleh Souleiman won the 1500 in 3:31.68 with Ryan Hill 7th (3:35.38), Albert Rop dominated the 5K in 13:09.98, and Kenya's Timothy Kitum won the 800 (1:45.43) as Charles Jock was 10th (1:48.23). *MB: Ryan Hill runs 3:35 in Hesuden

Emma Coburn, Stephanie Garcia and Colleen Quigley all advanced to Wednesday's final in the Bird's Nest after some quick qualifying heats. Coburn and Garcia both made it automatically, finishing third in their heats, while Quigley's 9:29 in heat 2 was enough to grab a time qualifier. Coburn will attempt to make some more history on Wednesday as she goes for the U.S.'s first-ever medal in the event.

The Morton Mile is headlined by Aussies Jeff Risley and Ryan Gregson as well as Americans Jordan McNamara, Pat Casey, Mac Fleet and Ford Palmer. Aisha Praught and Shelby Houlihan lead the women's mile. Robby Andrews is in the men's 800 while NZ's WUG champ Angela Petty leads the women's race with USA's Lauren Wallace. Andy Vernon vs Will Geoghegan in the 3000.

As of this month she is eligible to represent Jamaica in international competition. Praught: "It's almost as if I'm a novelty. Distance running (in Jamaica) is not cool. You've got all the kids trying to emulate Usain Bolt in the starting blocks."
*MB: Aisha Praught to represent Jamaica

Farah will face five men who have broken 7:31 including Hagos Gebrhiwet and Yenew Alamirew. The women's 1500 features '14 world leader Sifan Hassan and '13 world champ Abeba Aregawi, while Ethiopians Sofia Assefa and Hiwot Ayalew will race in the women's steeple. Justin Gatlin (100) and Allyson Felix (200) headline the non-distance action.

Emma Coburn was fantastic all season long and nabs the #2 spot in the world.

Coburn ran a very impressive 9:19 in 84-degree heat and now owns three of the top six times in the world this year. Ashley Higginson ran a big PR of 9:27 for second.