Various average times for intercourse have been reported in the literature. Recent data shows that the median time is 5.4 minutes, which is longer than a study back in the 1940's which found that 75% of men finished within two minutes.
While there is a large variation in time currently reported, 3 to 7 minutes is now considered "adequate," but 7 to 13 minutes is rated "desirable."

This internet article is about about a self-lubricating condom that's rated for 1,000 thrusts. The number of thrusts to ejaculate is variously reported to be as low as 40, and as high as 200.

http://melmagazine.com/en-us/story/whats-the-average-number-of-thrusts-during-the-average-bout-of-sex

Interesting.

I remember reading once -- somewhere, can't remember where now and I'm too lazy to look -- that the average time a hotel guest watches porn in his room is 12 minutes. (It's Orwellian to even measure how long some anonymous persons watch porn in a single sitting, though, isn't it? I mean, honestly, what can one do with such information?)

Anyway, I'm not exactly on point: You're talking coitus, I'm citing masturbation. Speaking only for myself, though, I can go much, much longer masturbating (hours) than I do with partner sex (maybe 15 minutes, although I've never clocked myself).

Rob......Interesting about the hotel room. Maybe guys watch for an average of 12 minutes, shoot off, and that's all.

I do wonder about how long guys take to finish coitus. I see porn videos of guys doing missionary, supporting themselves straight armed, and banging the pussy a mile a minute. I couldn't go very long like that. On the other hand, I can give a woman a nice slow comfortable ride for quite a while in the missionary position. Maybe even longer if I shift positions, with a rest interval. I think I would estimate it about the same as you. Probably 15 minutes for me. I have no idea how many times I thrust on average. The guys who do the rapid fire missionary banging could run up 50 to 100 strokes really fast.

Am 58 and it takes me a little longer to ejaculate inside a pussy than it did years ago. Instead 5-8 minutes its now takes probably 10-12 minutes. Am kind of glad about it. It gives me more time to look at my girlfriend's face while I'm thrusting inside her.

I've read that too and it was in relations to the people who bought the porn TV access at the hotel. You pay like $20-$40 for TV porn access and then in average actually only used it for 12 minutes. Good money for the hotel

Full Disclosure:

After reviewing medical data on the internet, it appears that my rough estimate of 15 minutes for my staying power was grossly overestimated, and would have included considerable foreplay time. For vaginal-penile intercourse, studies show that the time between penetration and ejaculation.....the "intravaginal ejaculatory latency time" (IELT).....averages 5 1/2 minutes, with a range of 3 to 7 minutes.

(Finger fucking and clitty stimulation probably take up more time than men remember.)

Depends whether you're stroking or fucking,a young 20 year old blond.I'm about the same over her picture of her or in person.

Interesting that when masturbating, I can easily maintain a standing erection, and using porn and occasional stroking, keep myself at the edge for an hour. But your cock rubbing against a vaginal wall and having a naked woman under you pushes you over the edge in 5 minutes.

Oh yes, i can masturbate for hours but once in the pussy? Generally a 60 second man i'm afraid....

I'm 58 and have not cum inside my wife for 26 years. I can pound her until she's sore or until I collapse from exhaustion before I could cum inside her. It can take me two hours of active masturbation watching porn to ejaculate. When I'm fucking my wife I don't even try any more to cum. My goal is to get her off and then I just give up trying because there is nothing she can do to make me cum. To me intercourse is over-rated. I'd rather stick with oral or mutual masturbation to get my wife to orgasm.

And if you say it's because of my age I'd argue that I've been this way my whole life. I had an old girlfriend who called me the black hole of sex because I didn't cum during intercourse. I would use up a pack of condoms simply because the lube on them dried out with all the fucking. I'll also point out that no woman wants this. They want the guy to cum; maybe not in 5 minutes, but they want him to finish.

I've never had a satisfying sex life because of this.

My friend, you can fuck me as long as you want ... and I'll happily finish you off with oral or hands ... No complaints from me about endurance fucking!

When I am sucking another man's cock, I can usually make him cum within 5 minutes.

If you ever go over to the other side, then you probably have guys lining up to be fucked by you!

A few minutes when Im balls deep in a cunny, 20-30 minutes if Im jerking off and taking it easy, 5 minutes if Im jerking off and in a rush.