TongRo Images/TongRo Images/Getty Images. A soccer game consists of two halves lasting 45 minutes, meaning a soccer game is 90 minutes long -- except it isn't. Unlike other timed sports, the clock doesn't stop when an injury, substitution or other event interrupts game play.The referee makes note of these stoppages and tacks on time at the end of each half.he length of a soccer game also depends on the age of the players. U.S. Youth Soccer provides guidelines with shorter periods for players under age 16. For example, games for children younger than 6 are divided into six-minute quarters.