Katherine "Katie" Follett; born November 12, 1987)[1] is an American middle-distance runner.

[11] Katie Mackey placed 11th in the 1500 m at the 2012 United States Olympic Trials (track and field) in 4:11.46 and DNS in 5000 m.[12] Katie Follett placed 21st in the 1500 m at the 2008 United States Olympic Trials (track and field) in 4:22.60.

[13] [14] [15] Katie Follett won the Elanor Troxell Award in 2006 as Fort Collins' top student-athlete.

[16] Katie set Fort Collins school records in the 3200 m (10:47.51) and 3200 m relay, and at 5 km in cross country (18:16).

[17] Katie met Danny Mackey in February 2011 and they were married on New Year's Eve in 2011.