MTN Sports reports that Billings-own Boulder-Arrowhead All-Stars are one win away from a shot at the Little League World Series in Williamsport, Pennsylvania. B-A won Thursday’s undefeated semifinal at the Northwest Regional in San Bernardino, California. The Billings 11-and-12 year-old All-Stars took advantage of two Idaho errors in the bottom of the fifth inning and tacked on another pair of runs for the 5-2 win. Boulder-Arrowhead will play in Saturday’s 1 p.m. Northwest Regional championship against today’s winner between Idaho and Oregon.