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Lacrosse Rules

Indoor Lacrosse

The Federation of International Lacrosse (FIL), US Lacrosse, and the Canadian Lacrosse Association all offer official rules of box/indoor lacrosse. There are some variations between the three rule sets. The FIL rules, first published in 2015, are based on the National Lacrosse League rules. US Lacrosse’s 2017 rules were developed with input from the FIL, CLA, NLL, and other prominent lacrosse organizations and include modifications for youth games. US Lacrosse also offers a small-sided, small-size, boardless field variation of outdoor lacrosse rules.

The Indoor Field

A typical indoor lacrosse field is 200 feet long by 85 feet wide, the same size as a hockey rink or arena soccer field. The goals are 4’9″ wide and 4′ tall; the goal line is 12 feet from the ends of the field. Dasher boards are between 3’6″ and 4′ tall with safety glass on top.

Outdoor Lacrosse

The FIL publishes official rules for men’s and women’s field lacrosse. US Lacrosse, in conjunction with the NCAA and NFHS, also publishes outdoor rules for men, women, boys, and girls at the youth, high school, collegiate, and post-collegiate club levels.

An outdoor lacrosse field is 120 yards long by 65 yards wide, the same length as a regulation football field and slightly wider. While the field size is the same in both men’s and women’s lacrosse, field markings differ slightly. The FIL also publishes diagrams for alternate-sized fields and for a shared lacrosse/field hockey field.

Indoor field diagram; click to enlarge.

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