Kyle Larson was fastest overall in the Cup Series’ only practice session at Watkins Glen with a fast lap of 123.715 mph (71.293 s) before a pair of Toyota drivers suffered simultaneous problems as time drew to a close.
Ty Gibbs put his right side tires on the grass coming out of the stop and slid off the track. He went through the grass and bounced off the left side of the #45 car against the tire barriers.
“I just relaxed a little bit,” Gibbs said.
Meanwhile, in the SS, Christopher Bell lost an engine in his #20 car. He stopped after smoke and fluid came out from under the car.
Chase Elliott was second fastest at 123.689 mph, AJ Allmendinger was third at 123.464 mph, and William Byron was fourth at 123.183 mph. Gibbs was fifth fastest at 122.983 mph before the incident occurred.
Chris Buescher was sixth at 122.934 mph, Chase Briscoe was seventh at 122.925 mph and Tyler Reddick was eighth at 122.918 mph. Daniel Suarez was ninth at 122.836 mph and Alex Bowman rounded out the top 10 at 122.730 mph.
Kimi Raikkonen, in his first Cup Series start, was 20th fastest in practice, clocking 122.342 mph.
Mike Rockenfeller was 35th in practice (121.346 mph), Loris Hesemans 37th (119.757 mph), Daniil Kvyat 38th (118.456 mph), Kyle Tilley 39th (116.476 mph /hour).
Larson was the fastest 10-lap average behind Tyler Reddick, Ricky Stenhouse Jr., Alex Bowman and Kyle Tilley. They were the only drivers to run 10 consecutive laps in practice.
There are 39 registered drivers in Watkins Glen.