How long?

Ivey • Hi I am a sophomore in college I and a North Carolinian and I love my boyfriend very much. 5.27.15
What is the longest period of time you've had sex for? My boyfriend and I can typically go for 3 hours given no interruptions( i.e. Phone calls, somebody knocking (not including climaxes)), but I typically get sore after a while and then we just cuddle and joke around.