How many small sided games in a two hour session, and how long should each one last? Enrich’s answer: as many as you can, with length set by intensity. An 8v8 can run 12 minutes, a 4v4 no more than 4, often played in two-minute sets with equal rest. Past 15 to 20 minutes on one game, players switch off. Watch the full masterclass: Small Sided Games.