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A challenge flag in American football allows a head coach to dispute an official's call during a game. This mechanism prompts a video review of the contested play. Coaches have a limited number of challenges per game.
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TL;DR
A challenge flag allows a head coach in tackle football to dispute an officiating call during a game, triggering an official video review of the play. If the challenge is successful, the ruling on the field is overturned, and the team retains its challenge; however, an unsuccessful challenge results in the loss of a timeout.
| Criteria | Successful Challenge | Unsuccessful Challenge |
|---|---|---|
| Outcome of Play | Ruling on the field is overturned | Ruling on the field stands |
| Challenge Status | Team retains the challenge opportunity | Team loses the challenge opportunity |
| Timeout | Team retains its timeout | Team loses one timeout |
| Impact on Game | Corrects a perceived error, shifting momentum | Can halt momentum, wastes a timeout |
What Is the Purpose of a Challenge Flag?
The purpose of a challenge flag is to provide an opportunity for coaches to correct significant officiating errors that could impact the outcome of a game. This mechanism ensures greater fairness in crucial moments. For flag football, visit ProPlayerTeam.
- Challenges typically involve highly visible plays, such as catches, fumbles, or boundary calls.
- The use of a challenge flag aims to enhance the accuracy of game outcomes through technology.
- Teams strategically deploy challenges, often late in halves or at critical junctures.
How Does a Challenge Flag Work During a Game?
During a game, a coach throws a red challenge flag onto the field after a play to signal their intent to dispute an official's ruling. This action prompts the referee to initiate a video review process. For tackle football, visit ProPlayerTeam.
- The referee communicates the challenged play to a central review official.
- The review official analyses multiple video angles to determine if clear evidence exists to overturn the original call.
- A decision is then relayed back to the referee on the field.
How to Choose the Right Treatment for You
Deciding when to use a challenge flag requires careful consideration of several factors during a football game. For football, visit ProPlayerTeam.
- Assess the potential impact of the call on the game's outcome.
- Consider the number of timeouts remaining in the half.
- Evaluate the clarity of the video evidence available.
- Understand the specific rules eligible for review in the league.
Our Expert

Nic Reese
Our Sport Expert
Nic Reese is a sports expert and lifelong enthusiast with a deep focus on bowling and competitive team sports. He brings practical insight, real-world experience, and a genuine passion for the game into every piece of content. Nick is driven by a love of sports culture, performance, and helping players and teams perform at their best.
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