IHM Knowledge Center
What Is the Difference Between a Minor and a Major Penalty in Ice Hockey?
Why do some penalties end after a goal while others continue, and what makes a penalty “minor” or “major” in hockey?
Editor: Coach Mark • Updated: April 19, 2026
Short Answer
A minor penalty lasts two minutes and usually ends if the opposing team scores. A major penalty lasts five minutes and continues regardless of how many goals are scored.
Full Explanation
Penalties in hockey are categorized based on severity. Minor penalties are given for standard infractions such as tripping, hooking, or slashing. Major penalties are reserved for more dangerous or severe actions.
The key difference is how long the penalty lasts and how it affects the game. Minor penalties create a temporary disadvantage that can be canceled by a goal. Major penalties create a full five-minute disadvantage that must be served completely.
This difference significantly impacts strategy. A team on a minor penalty may focus on surviving briefly, while a major penalty forces a longer defensive commitment.
NHL vs IIHF Rule Differences
In both NHL and IIHF, minor penalties are typically two minutes and major penalties are five minutes.
The core difference remains consistent across leagues, though additional discipline such as game misconducts may be more strictly enforced in international play.
The structure of penalties is universal in modern hockey.
Game Impact and Strategy Differences
Minor penalties create a standard power play opportunity. If the attacking team scores, the penalty ends early.
Major penalties are more impactful because the opposing team can score multiple goals during the full five-minute period.
This changes how teams approach both offense and defense. Power play teams become more aggressive, while penalty kill units must manage longer shifts and fatigue.
Why These Decisions Are Controversial
The difference between minor and major penalties is often controversial because it depends on interpretation of severity.
Fans may see a play as routine, while referees see it as dangerous.
Controversy usually arises from:
- Intensity of contact
- Result of the play (injury or not)
- Player intent vs outcome
- Consistency of calls
These calls can significantly change the outcome of a game.
Edge Case: Minor Upgraded to Major After Review
A key edge case occurs when a referee initially calls a minor penalty but reviews the play and upgrades it to a major.
If video shows increased danger, force, or injury risk, the penalty can be escalated.
This ensures that serious infractions are properly penalized even if they were not fully recognized in real time.
These situations often lead to major momentum swings.
IHM Signal System: How to Read the Situation
To understand whether a penalty is minor or major, focus on these signals:
- Severity signal: How dangerous was the action?
- Impact signal: What was the result of the contact?
- Control signal: Was the play controlled or reckless?
Trigger-level rule:
If a play involves dangerous contact with injury risk or loss of control, it is almost always considered for a major penalty.
If the action is controlled and within normal play, it is usually a minor penalty.
IHM Insight: Why This Rule Is Misunderstood
This rule is misunderstood because fans focus on intent, while referees focus on risk and outcome.
A player may not intend harm, but the result can still justify a major penalty.
Two similar plays can result in different penalties depending on angle, timing, and force.
Understanding risk vs intent is key.
Mini Q&A
How long is a minor penalty?
Two minutes.
How long is a major penalty?
Five minutes.
Does a goal end a minor penalty?
Yes.
Does a goal end a major penalty?
No.
Which is more serious?
A major penalty.
Why This Rule Exists
The distinction exists to separate normal infractions from dangerous actions and apply appropriate consequences.
It ensures fairness while protecting player safety.
Key Takeaways
- Minor penalties last two minutes
- Major penalties last five minutes
- Minor penalties end after a goal
- Major penalties continue regardless of scoring
- Severity determines the type of penalty