10. Katelyn Tuohy goes US No. 2 all-time in the 2-Mile in 9:51.05 -- and she was one of two to go under 10, which also included Katelynne Hart, who went 9:58.42
A third athlete, Sydney Thorvaldson, went 10:01.52. On the all-time rankings, Tuohy is No. 2 all-time, while Hart and Thorvaldson are both top 10.