#3-Austin Dillon was quickest during happy hour for the US Cellular 250 with a speed of 135.257mph. He was followed by: #32-Kyle Larson, #77-Parker Kligerman, #99-Alex Bowman, #11-Elliott Sadler, #43-Michael Annett, #2-Brian Scott, #54-Drew Herring, #29-Kenny Wallace, and #6-Trevor Bayne. 33 drivers participated in the session. See complete results on the Iowa practice 2 speeds page (pdf) .
