INTRAMURAL BASKETBALL RULES

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Last updated: October 27, 2025

⏱️ Game Timing & Substitutions
  • Game length: 50 minutes; games start on the hour.
  • Periods: Four (4) 10-minute quarters (running clock).
  • Halftime: 2 minutes.
  • Substitutions: Every 5 minutes in all divisions; only at these marks (except for injuries).
  • Clock stoppages: Timeouts; all whistles in the last 4 minutes (Ages 5–8 run continuously).
  • Overtime: 4-minute running clock (stops for foul shots).
    • Regular season: one OT max (ties allowed).
    • Playoffs: continue until a winner.
    • Substitutions required at the 2-minute mark of each OT.
⏸️ Timeouts
  • 3 timeouts per game; no more than 2 per half.
  • Each timeout lasts 60 seconds.
πŸ• Playing Time Guidelines

Minimum and maximum playing times are based on active roster size.

Active PlayersMinimum TimeMaximum Time
1020 min (4 shifts)20 min (4 shifts)
920 min (4 shifts)25 min (5 shifts)
820 min (4 shifts)25 min (5 shifts)
720 min (4 shifts)30 min (6 shifts)
620 min (4 shifts)35 min (7 shifts)
520 min (4 shifts)40 min (8 shifts)

Late arrivals: Arrive before Q2 β†’ still play 20 minutes. Arrive after Q2 starts β†’ play at least 10 minutes.

🚫 Forfeits

A team forfeits if it has fewer than 5 players by the start of Q2. The game may still be played, but the forfeit is recorded.

πŸ›‘οΈ Defensive Rules

Ages 5–8

  • Defense remains in a 2–3 zone (floor dots) until a shot is taken.
  • If defense rebounds: offense transitions to defense.
  • If offense rebounds: switch to man-to-man (no double-teaming).
  • No stealing off the dribble

Grades 3–4

  • No full-court press.
  • Man-to-man within the 3-point arc (no double-teaming).
  • Defense not required to extend beyond 5 feet outside the perimeter.
  • Last 2 minutes: defense may extend beyond the arc to prevent stalling.
  • No double-teaming except in the paint.
  • No stealing off the dribble

Grades 5–6

  • No full-court press except in the last 2 minutes.
  • Defense style is coach’s choice.
  • No double-teaming except in the paint.

Grades 7–12

  • Any defense allowed; full-court press allowed at any time.
🚨 Fouls & Free Throws
  • 5 personal fouls per player (fouls out on 5th).
  • Team fouls: 10 per half; Grades 3–12 shoot two FTs at 10; reset at halftime; second-half fouls carry into OT.
  • 3-point shots count for Grades 5–12 only.
  • FT line: 15 ft standard; Grades 3–4 use a closer line.
  • No stealing off the dribble for Ages 5–8 & Grades 3–4.
πŸ“Š Scorekeeping & Technical Fouls
  • Official scorebook is final unless overruled by a referee + scorekeeper majority.
  • Tech foul β†’ suspended for rest of that game and the next.
  • Second tech in a subsequent game β†’ removal from the league for the season.
πŸ€ Equipment & Ball Sizes

Only LAA-provided basketballs are allowed in the gym during games.

DivisionBoysGirls
Junior (Ages 5–6)Size 5 (27.5")Size 5 (27.5")
Ballers (Ages 7–8)Size 5 (27.5")Size 5 (27.5")
Rookies (Grades 3–4)Size 6 (28.5")Size 5 (27.5")
Starters (Grades 5–6)Size 6 (28.5")Size 6 (28.5")
All-Stars (Grades 7–8)Size 7 (29.5")Size 6 (28.5")
Jr. Varsity (Grades 9–10)Size 7 (29.5")Size 6 (28.5")
Varsity (Grades 11–12)Size 7 (29.5")Size 6 (28.5")

Reference: If a situation is not covered by these rules, refer to the National Federation of State High School Association (NFHS) guidelines.