INTRAMURAL BASKETBALL RULES
π Download One-Page Rules Quick Reference
Download PDFLast updated: October 27, 2025
β±οΈ 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 5β8 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.
βΈοΈ Timeouts
- 3 timeouts per game; no more than 2 per half.
- Each timeout lasts 60 seconds.
π Playing Time Guidelines
Minimum and maximum playing times are based on active roster size.
| Active Players | Minimum Time | Maximum Time |
|---|---|---|
| 10 | 20 min (4 shifts) | 20 min (4 shifts) |
| 9 | 20 min (4 shifts) | 25 min (5 shifts) |
| 8 | 20 min (4 shifts) | 25 min (5 shifts) |
| 7 | 20 min (4 shifts) | 30 min (6 shifts) |
| 6 | 20 min (4 shifts) | 35 min (7 shifts) |
| 5 | 20 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.
π« 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.
π‘οΈ Defensive Rules
Ages 5β8
- Defense remains in a 2β3 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 3β4
- 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 5β6
- No full-court press except in the last 2 minutes.
- Defense style is coachβs choice.
- No double-teaming except in the paint.
Grades 7β12
- Any defense allowed; full-court press allowed at any time.
π¨ Fouls & Free Throws
- 5 personal fouls per player (fouls out on 5th).
- Team fouls: 10 per half; Grades 3β12 shoot two FTs at 10; reset at halftime; second-half fouls carry into OT.
- 3-point shots count for Grades 5β12 only.
- FT line: 15 ft standard; Grades 3β4 use a closer line.
- No stealing off the dribble for Ages 5β8 & Grades 3β4.
π 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.
π Equipment & Ball Sizes
Only LAA-provided basketballs are allowed in the gym during games.
| Division | Boys | Girls |
|---|---|---|
| Junior (Ages 5β6) | Size 5 (27.5") | Size 5 (27.5") |
| Ballers (Ages 7β8) | Size 5 (27.5") | Size 5 (27.5") |
| Rookies (Grades 3β4) | Size 6 (28.5") | Size 5 (27.5") |
| Starters (Grades 5β6) | Size 6 (28.5") | Size 6 (28.5") |
| All-Stars (Grades 7β8) | Size 7 (29.5") | Size 6 (28.5") |
| Jr. Varsity (Grades 9β10) | Size 7 (29.5") | Size 6 (28.5") |
| Varsity (Grades 11β12) | 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.
