Lacrosse: Quarters or Halves? A By-Level Breakdown

Men’s field lacrosse plays four quarters; women’s field lacrosse traditionally plays two halves. That is the fast answer, and for most people it is enough. But “how long is a quarter” and “which level” change the details, so here is the exact format and clock by level, starting with a table you can scan in five seconds.

Quarters or halves, by level

Level / league	Format	Period length	Game clock
NCAA men’s (college)	4 quarters	15 min	60 min
NFHS men’s (US high school)	4 quarters	12 min	48 min
PLL (pro field)	4 quarters	12 min	48 min
NLL (pro box)	4 quarters	15 min	60 min
NCAA women’s (college)	2 halves	~30 min	~60 min
NFHS women’s (US high school)	2 halves	~25 min	~50 min
Olympic sixes	4 short quarters	~8 min	~32 min

Two notes on that table. The women’s half lengths vary by governing body and are the figures most commonly cited rather than a single universal standard, so confirm against your own league. And the sixes column is the compact Olympic format, which is built around short quarters and a shot clock, not the traditional field game at all.

The men’s game: four quarters everywhere

At every serious level, men’s field lacrosse is a four-quarter game. The clock length is the only thing that moves:

• NCAA plays 15-minute quarters — the longest, giving 60 minutes of game clock.
• US high school (NFHS) plays 12-minute quarters, 48 minutes total.
• The PLL, the top pro field league, also plays 12-minute quarters, paired with a shot clock to keep the pace up.

Because the clock stops for goals, penalties and dead balls, a “60-minute” college game runs closer to two hours in real time. Halftime falls between the second and third quarters, and teams switch ends each quarter.

The women’s game: two halves, but changing

Women’s field lacrosse grew up as a distinct, lower-contact game and kept the two-half structure while the men’s game standardized on quarters. Halves have traditionally run around 25 to 30 minutes depending on the level, with a running or stop clock that varies by competition.

The important nuance is that this is not frozen. Several levels of the women’s game, and the Olympic-format sixes, have moved toward quarters in recent years, so the neat “men play quarters, women play halves” split is less absolute than it used to be. If you are checking a specific competition, look at that body’s current rules rather than assuming.

Box lacrosse: quarters, hockey-style

Indoor box lacrosse, played by the NLL, runs four 15-minute quarters, like a hockey game’s periods in feel and pacing. Combined with a tight 30-second shot clock, the box game is relentless — there is very little standing around, which is a big part of its appeal.

The bottom line

If someone asks “quarters or halves?”, the honest answer is both, depending on the game: men’s field and box lacrosse use quarters, the women’s field game is built on halves but is drifting toward quarters, and the exact minutes change with the level. For the rest of the timing picture — including what happens when the score is level at the end — see our explainer on lacrosse overtime rules, and if you are new to the sport entirely, start with the lacrosse rules for beginners guide.