She is a four-time national champion and holds the American record in the indoor 5000 metres.

At the 2018 NCAA Division I Outdoor Championships, she won the bronze medal in the 1500 m.[4] After graduating from college in 2018, Cranny turned professional with the Bowerman Track Club.

[1] At a Bowerman inter-squad meet on July 31, 2020, she competed as a member of the 4 × 1500 m relay team alongside Colleen Quigley, Karissa Schweizer, and Shelby Houlihan.

Running in 94 degree heat, Cranny won the race with a time of 15:27.81, 0.3 seconds ahead of Bowerman teammate Karissa Schweizer.

[11] In November 2024, it was announced that she had signed up for the inaugural season of the Michael Johnson founded Grand Slam Track.