We've compared the 2021 and 2019 NCAA times and the distance times are faster in 2021, while the sprint times are not, showing the super spike impact is real. *MB: The NCAA data is in - The super spike effect is real

Bernard Lagat's sister may have found a new distance, the NCAA DMR heated up, there was a false start in the world record in the half marathon, and of course Rojo has some Vaporfly talk.

Kipp, who worked on the study that gave the Vaporflys their 4% name, is pleased by the new regulations as she thinks within a year or two athletes will have a level playing field. In the meantime, she says some brands need to let their athletes run in the Nike Vaporfly "or they are going to be at a disadvantage." She also talks about what it was like to realize in 2016 that Nike had a shoe that was so much better than anyone else that she and her fellow researchers nicknamed it "The Magic." And how she believes the shoes cost Kara Goucher an Olympic spot.

   

LRC has obtained the press release Nike will release if the sub-2 hour marathon is achieved by its shoes.

Can Huddle get the AR? Will Emily Sisson arrive as the next US distance star? We'll find out on Sunday.

Can Callum Hawkins keep his hot streak going or will the Flagstaff-based Olympic silver medallist Feyisa Lelisa get the win? Who will be the top American? And what does Chris Derrick think of Nike's new shoes Zoom Vaporfly shoes - should they be banned?