Second practice ends with a miscue for the No. 88 Hendrick Motorsports Chevroletat Dover International Speedway
Both sessions went incident-free.
Kyle Larson, looking for his first Cup win, topped the speed chart on Friday.
The Stewart Haas Racing No. 10 team looks to get backup car up to speed.
Ricky Stenhouse Jr. posted a lap of 202.643mph.
The Hendrick duo continue to flex their muscles at Daytona.
Today's sessions did not go incident-free.
Practice is over, qualifying is complete, the Duels have been run ... All that's left is 500 miles.
Most teams opted to sit out practice today.
Toyota teams top the speed chart after opening practice at Indy
The first practice for the NASCAR Sprint Unlimited at Daytona started off with a bang.
Top ROTY contenders Austin Dillon and Kyle Larson quickly found the wall in the opening practice session at Darlington today; even forcing one of them to go to a backup car.
Tony Stewart, No. 14 Bass Pro Shops/Mobil 1 Chevrolet SS: "... it wasn’t anything that we knew with some warning."
Michael Waltrip and Kasey Kahne fastest as Sprint Cup drivers practice for Thursday’s Duel races to set final starting lineup except for the front row which locked in after Sunday’s qualifying.
Sprint Cup and Nationwide Series practice got the green flag for each of their sessions with the sun coming on the Watkins Glen road course.
Owen Kelly ended running practice in 20th position.
Roush Fenway's Biffle 3rd in both practices, Edwards in his backup Ford.
Dale Earnhardt Jr. had an engine failure in practice and Ryan Newman crashed, but his will repair his car.