61st Annual Chevrolet Performance U.S. Nationals Finals - 9/7/15

Angelle Sampey makes a clean pass to advance to the third round of pro stock motorcycle eliminations during the 015 Chevy Performance U.S. Nationals Finals. - Sept. 7, 2015. © 2015 Jason Porter Media

Jerry Savoie (near) gains a slight advantage over Steve Johnson (far) in their second round run during the 2015 Chevy Performance U.S. Nationals Finals. Savoie would go on to win the round. - Sept. 7, 2015. © 2015 Jason Porter Media

Brittany Force blows cylinders and goes up in smoke near the start of her third round run against Morgan Lucas during the 2015 Chevy Performance U.S. Nationals Finals. Lucas would go on to win the round. (1 of 3) - Sept. 7, 2015. © 2015 Jason Porter Media