Britannica
Sources used in this answer
What happens when a bowler steps over the foul line in tenpin bowling?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
bowling
Tommy Jones competing in the Professional Bowlers Association Tournament of Champions final in Uncasville, Conn., April 1, 2007.
In tenpin bowling, stepping over the foul line is considered a foul. When this occurs, the bowler incurs a penalty resulting in the loss of all pins knocked down during that specific delivery.1