Regan Enfield will be signing her letter of intent to Mt. Mercy for track on Wednesday, May 16th at 2:45. Regan Enfield will be signing her letter of intent to Mt. Mercy for track on Wednesday, May 16th at 2:45. Enfield is currently in track and field and will run at state in the 100 hurdles. Enfield has also run the 400 meter hurdles 800 meter run and 400 meter dash this season, plus some relays. The signing will be in the gym.