Sprint Cup regular Dale Jr. posts top-10 speeds during both sessions Play: NASCAR Fantasy Live XFINITY Series Practice 1 " Full results Austin Dillon clocked the fastest lap in opening NASCAR XFINITY Series practice Friday afternoon at Las Vegas Motor Speedway . Dillon , the only driver to break the 30-second barrier in the 55-minute session, drove the Richard Childress Racing No. 33 Chevrolet to a best lap of 180.977 mph on the 1.5-mile track. He'll be making his second XFINITY Series start of the season in Saturday's Boyd Gaming 300 (4 p.m. ET, FOX Sports 1). Dale Earnhardt Jr . was second-fastest at 179.414 mph in the JR Motorsports No. 88 Chevrolet that he co-owns. He was just ahead of JRM teammate Regan Smith , who registered the third-fastest lap at 178.453 mph. Ryan Blaney and Denny Hamlin completed the top five. Joe Gibbs Racing wound up using two fill-in drivers in their three entries for Saturday's 300-miler. Matt Kenseth was an emergency sub in the No. 18 Toyota for rookie Daniel Suarez, who was treated in the infield care center for a stomach ailment. Suarez felt well enough to turn a handful of laps near the end of the session, but it was Kenseth who posted the team's best lap, a 177.363-mph speed that was ninth-fastest overall. Hamlin will substitute all weekend in Gibbs' No. 54 Toyota for the injured Kyle Busch , who suffered multiple lower-leg injuries in the season opener at Daytona International Speedway . Defending series champion Chase Elliott , Erik Jones , Elliott Sadler , Darrell Wallace Jr ., Cale Conley , Ross Chastain , Kenseth, Earnhardt, Smith, Hamlin and Blaney were all held out of the first 15 minutes of practice. Their respective teams all served a penalty for being late to technical inspection last weekend at Atlanta Motor Speedway . XFINITY Series co-leader Ty Dillon was sixth-fastest of the 35 drivers who participated in the opening season. Chris Buescher , who shares the top spot in the standings, was 13th-fastest. Series regular Brian Scott didn't complete a lap after the engine in his Richard Childress Racing No. 2 Chevrolet developed early trouble. XFINITY Series final practice " Full results Opening practice leader Austin Dillon continued to lay down fast lap times during Friday's final practice session for the Boyd Gaming 300 at Las Vegas Motor Speedway . The No. 33 driver propelled his Richard Childress Chevrolet around the Nevada oval at 182.927 mph. After replacing the engine in his No. 2 ride, Brian Scott finally hit the track for the second practice. The lack of seat time a few hours earlier didn't seem to deter the Richard Childress Racing driver, as he posted the second-fastest speed, circling the speedway at 179.665 mph. Rounding out the top five were RSS Racing's Ryan Sieg (179.384 mph), Richard Childress Racing 's Brendan Gaughan (179.348 mph) and JR Motorsports' Regan Smith (179.301 mph). Sprint Cup Series veteran Denny Hamlin is subbing for the injured Kyle Busch in the No. 54 Joe Gibbs Racing Toyota this weekend. After running the most laps during the final practice, Hamlin ranked seventh on the leaderboard. Posting the ninth-fastest speed was JR Motorsports owner Dale Earnhardt Jr ., who is wheeling the team's No. 88 machine this week. JRM driver and reigning XFINITY champion Chase Elliott rounded the 1.5-mile track 18th-fastest in his No. 9 Chevrolet. Joe Gibbs Racing 's Daniel Suarez missed most of the first session due to a stomach ailment, but was back behind the wheel of his No. 18 Toyota by the final practice. He posted the 19th-fastest speed on the leaderboard. The XFINITY Series will be back on track on Saturday at 12:45 p.m. ET, for the Coors Light Pole Qualifying with coverage on FOX Sports 2. MORE: READ: Latest NASCAR news PLAY: Sign up for Fantasy Live WATCH: Latest NASCAR video FOLLOW LIVE: Get RaceView today FULL SERIES COVERAGE • Latest news • Standings • Schedule
Suarez involved in wreck during second group of first round in qualifying Play: NASCAR Fantasy Live Related: Full qualifying results Austin Dillon won the Coors Light Pole Award at Daytona International Speedway for the NASCAR XFINITY Series season-opening Alert Today Florida 300. The 2013 XFINITY Series champion posted a lap of 190.251 mph in the final round of the three-round group qualifying session at Daytona. Justin Marks will join Dillon on the front row. Chad Boat and Brendan Gaughan will comprise Row 2, while Aric Almirola and Erik Jones will make up Row 3. A large crash occurred in the second group of the opening round with Daniel Suarez, Tanner Berryhill, Carlos Contreras, Harrison Rhodes, Landon Cassill and Blake Koch among the cars involved in the wreck. The No. 18 car of Suarez was pretty torn up and he had to go to a backup car. Seven cars did not make the race, including Rhodes, Contreras and Berryhill. Following the crash Kyle Busch, who is teammates with Suarez told FOX Sports 1 of the group qualifying, "This is not what it needs to be. Somehow, someway, this isn't right." Busch later added, "you don't want to see cars wrecking in qualifying. The show is the race." Shortly after the crash, qualifying was putting into a holding pattern due to some rain in the area. That delayed last about 40 minutes. Dale Earnhardt Jr., who was not in the actual crash but in the group where it took place, had a slower time as a result and will start 40th, the last spot in the field. He got that spot as a result of his champions provisional in the series. Something he joked about on Twitter. Guess I'm gonna use that champions provisional today. #ThingsYouSayAt40 — Dale Earnhardt Jr. (@DaleJr) February 21, 2015 The group qualifying procedure for Daytona, adjusted by NASCAR on Wednesday, saw the first round consist of four groups with each group alloted two minutes and 30 seconds to complete a lap. Once a vehicle started rolling off pit road, it couldn't stop and had to proceed to the track. The fastest 24 advanced to the second round with consisted of two groups, which the same time frame as the first round. The top 12 moved on to the third and final round. This same format was used in Friday's Keystone Light Pole Qualifying for the NASCAR Camping World Truck Series NextEra Energy Resources 250. The Alert Today Florida 300 will be Saturday at 3:30 p.m. ET with TV coverage on FOX Sports 1. MORE: READ: Latest NASCAR news PLAY: Sign up for Fantasy Live WATCH: Latest NASCAR video FOLLOW LIVE: Get RaceView today FULL SERIES COVERAGE • Latest news • Standings • Schedule
Patrick suffers minor damage from contact Play: NASCAR Fantasy Live " Vote: Ultimate Daytona Challenge MORE: Complete Sprint Unlimited results Danica Patrick's car was dinged from some three-wide racing with Ricky Stenhouse Jr. and Austin Dillon in the Sprint Unlimited, but Stenhouse and Dillon took the brunt of the damage. RELATED: See the best photos from Saturday's race The incident on Lap 62 brought Patrick to pit road quickly, and she would lose a lap. She had spent some of the race running in the top five but had to make multiple pit stops to repair the damage. Stenhouse Jr. smacked the wall, while Dillon went for a spin after the two made contact. Both Stenhouse Jr. and Dillon's car suffered enough damage to put them several laps down. Patrick would go on to finish the race in 10th place, while Stenhouse Jr. and Dillon would finish 16th and 17th, respectively, 14 laps down. MORE: READ: Latest NASCAR news PLAY: Sign up for Fantasy Live WATCH: Latest NASCAR video FOLLOW LIVE: Get RaceView today FULL SERIES COVERAGE • Latest news • Standings • Schedule
Austin Dillon started on the pole and dominated the entire day holding off a late race charge by Ryan Blaney to win the Boyd Gaming 300 at Las Vegas Motor Speedway.
Austin Dillon is able hold off Ryan Blaney's run for the lead in the final lap of the Boyd Gaming 300 at Las Vegas Motor Speedway.
Austin Dillon goes for a solo spin after cutting a tire down at Atlanta Motor Speedway.
While the field was under red flag, Mike Wallace runs into the back of pole sitter Austin Dillon .
Austin Dillon celebrates his dominating performance and third career Xfinity Series win in the Boyd Gaming 300 at Las Vegas Motor Speedway.
Austin Dillon talks about how he was able to hold off Ryan Blaney in the final laps of the Boyd Gaming 300 at Las Vegas Motor Speedway.
After rain delays most of of on-track time, RCR driver leads wet session Vote: Who will win at Martinsville? " Play: NASCAR Fantasy Live Practice 1 " Results Following a lengthy delay for rain, Ryan Newman led Friday's lone Sprint Cup Series practice at Martinsville Speedway . Practice was originally slated to begin at noon ET, but cars didn't get on the 0.526-mile track until 2:04 p.m. ET. When they did, Newman ran a session-best speed of 97.835 mph for a best time of 19.355 seconds. He was followed by four Chevrolets in AJ Allmendinger (97.679 mph), Jeff Gordon (97.664 mph), Jimmie Johnson (97.618 mph) and Martin Truex Jr . (97.558 mph) to round out the top five. Defending race-winner Kurt Busch was 14th, with a speed of 97.083 mph. There was a caution late in the session when the No. 3 of Austin Dillon endured engine issues and caused heavy smoke, effectively ending the practice session. Coors Light Pole qualifying was pushed back from 4:45 p.m. ET to 6:10 p.m. ET. Per a NASCAR bulletin sent to teams earlier this week, the opening round of qualifying will be 20 minutes instead of 15 minutes, as it had been for the past four events. Should qualifying be canceled because of weather, Newman would start Sunday's race from the pole position. MORE: READ: Latest NASCAR news PLAY: Sign up for Fantasy Live WATCH: Latest NASCAR video FOLLOW LIVE: Get RaceView today FULL SERIES COVERAGE • Latest news • Standings • Schedule