Extra time in soccer is 30 minutes long. The additional time is broken up into two 15-minute halves, bringing a game's total match time to 120 minutes, plus stoppage time.

Extra time is a crucial feature in tournament soccer, but how does it work? How long is it? Why is it only sometimes used? Allow us to explain.

How long is extra time in soccer at the Olympics? Once the knockout rounds begin matches can't end in a tie. Here's how a winner is decided if things are tied up.