William Byron won his first career NASCAR XFINITY Series pole during qualifying for the 13th Annual DC Solar 200 at Phoenix International Raceway.
The rookie topped the charts with a speed of 133.487 miles per hour and a time of 26.969.
Monster Energy NASCAR Cup Series regular Erik Jones (133.432 mph), who was fastest in the first practice on Friday, took second place.
Cup regular Austin Dillon(133.033 mph) grabbed the third starting spot.
XFINITY drivers Blake Koch (132.724 mph) and most recent Dash 4 Cash winner Justin Allgaier (132.694 mph) rounded out the top five.
Thirty-two cars competed in the qualifying session, with eight cars failing to post a time, including Ryan Blaney, who was fastest in the second practice.
Brendan Gaughan (131.96 mph), who led the final practice, qualified in 10th place.
Forty cars were on the entry list for the race, as the No. 77 entry withdrew on Friday, so no team failed to qualify for the event.
Coverage for the race begins at 4 p.m. eastern time on FOX.
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