Too bad this isn't an Olympic year, she's in top form. Sounds like they were running on a fast track, she and another runner, the current American record holder, both broke the American record, Karissa came in second.
Article says she also set a PR in the 1500 m recently. I hope she can perform at this level when the Olympics role around. That would be great to see!
https://mutigers.com/news/2020/7/11/womens-track-and-field-schweizer-posts-second-fastest-5000m-time-in-american-history.aspx