4A boys lacrosse state tournament bracket CHSAAMay 7, 2018, 9:49 AMBoys LacrosseBrackets0 Comments 2 The 2018 state tournament bracket for Class 4A boys lacrosse is below. This year's tournament runs May 9-18. Boys lacrosse brackets: 5A | 4A 2018 CHSAA Boys Lacrosse Championships Class 4A