Hasay was visually annoyed/angry at Rowbury after the race and only put on a fake smile when Shannon was right in front of her face.
From Rowbury's interview it was clear that she was meant to share in the duties of setting the pace near the end, but she didn't citing "Hasay pushed the pace every time I tried." She never tried to go to the front once.
Sure, this is a race, and the first one across the line wins, but it is a low move to have a strategy decided with your teammate and not follow through. Even worse to kick past that teammate at the end then.
Editor's note: Here are post-race interviews with Hasay and Rowbury. Rowbury admitted she was supposed to lead a few laps:
Hasay seemed resigned to the fact Shannon was going to beat her no matter what: