Okay, so, I’ve been a football fan for a while now, and one thing that always gets me is the rules about the clock stopping when a player goes out of bounds. I mean, it seems simple enough, but then you see different things happening at different times in the game, and it gets confusing. So, I decided to really figure this out once and for all.

First, I grabbed the official NFL rulebook—yeah, I’m that guy now. I dug into the section about game timing. What I found was pretty interesting.
Basically, in most of the game, the clock keeps running even if the ball goes out of bounds. It only stops while the ref sets the ball back up. So I grabbed my stopwatch and tested this out during a game. Yep, the clock barely stops. The ref sprinted to get the ball, placed it, and boom, the clock started right back up.
- Most of the game: Clock runs after a player goes out of bounds.
- Ref sets the ball: Clock stops briefly, then restarts.
But here’s where it gets tricky. In the last two minutes of the first half and the last five minutes of the second half, things change. If the ball goes out of bounds then, the clock stops until the next play actually starts. I watched a bunch of game highlights to see this in action, focusing on those end-of-half and end-of-game situations. Sure enough, the clock stopped and stayed stopped until the snap.
- Last 2 minutes of first half: Clock stops until the next play.
- Last 5 minutes of second half: Clock stops until the next play.
Why the Different Rules?
I did some more digging because I wanted to know why these rules are different. Turns out, it’s all about strategy and keeping the game exciting. These rules make those last few minutes of each half super important for clock management. Teams can use going out of bounds to stop the clock and give themselves more time to plan a play. If a player goes out of bounds at the last five minutes of the second half, the clock stops and only starts after the snap, so the team can take their time to plan their next strategy.
The NFL changed this rule back in the 1990s. Before that, the clock stopped any time a runner went out of bounds, I checked some old game footage from the 80s—yeah, I went that deep—and it’s true. The games were a lot different back then. Changing the rule made the game faster and, in my opinion, more exciting.
So there you have it. It wasn’t easy and I spent a lot of time, but now I finally understand when and why the clock stops when a player goes out of bounds in the NFL. It’s all about keeping the game moving and adding that extra bit of strategy in the final minutes.