James Buescher knew it would be tough to repeat as the NASCAR Truck Series champion without winning some races.
With two victories in his last four starts, Buescher is finally gaining ground on leader Matt Crafton.
Buescher took control during a second green-white-checkered finish and held on to win Sunday at Iowa Speedway.
Buescher has cut his deficit to 37 points behind Crafton, who finished seventh.
''We're definitely on a roll. Four races ago we were 64 points out of the lead,'' Buescher said. ''We've got plenty of races to go, and I think we can keep it up. We're running well.''
Buescher grabbed the lead from the outside position and edged pole-sitter Ross Chastain for his sixth career victory.
Chastain, denied his first career win, was followed by Ty Dillon, Johnny Sauter and Darrell Wallace Jr.
Buescher's final run capped a wild finish to the second Iowa race of the season.
There were 12 lead changes on Sunday, smashing the track record of seven.
Ryan Blaney grabbed ...