What's the chance an average 45 miles per week runner could go run 100 miles per week?

I could do it for a week or two if I didn't have to do anything else, like work or raise kids. I currently run 45 mpw and my 5k pace is around 6:00.

I'd be interested in hearing if anybody has tried this. I see some threads where people, usually younger runners, try to hit 100 miles in a random week.

Anything is possible, but you have gotta be a goddamn idiot to double volume from 50->100 abrubtly .

I think most people who consistently to 45 miles per week, especially if they are actually training (long runs, workouts, etc) could do a week of 100 easy miles without much trouble and without much risk of harm.

People get into trouble when they try to ramp up and train at 100 mpw. In other words, a big increase in mileage while still doing workouts, tempos, long runs, etc. And, they usually don't just do it for 1 week.

I bet you could do 100 miles of easy running in a week, take a day off, and go back to your regular 50 mpw schedule with no significant effects. However, there isn't much training value in this, except for checking the 100 mpw box, so why bother? Also, like another poster said, it's a non-trivial time commitment, so lots of people don't have the inclination.

Well, let's see: 100 divided by 45 is....

Average runner normally 40-60 mile weeks few years ago daughter got married. The two families met at H.H. for a week vacation.I knocked out a 100 mile week just to know I could do it. Also spent the rest of the days chillin like a villain.

If they ate right and rested any 45 mpw person could manage one,100 mile week if they had to.

For one week, a decent proportion of 45-mpw-runners could do this. It's not smart, though. You'd probably be wise to take a week off afterwards and then go back to 45 mow.

For multiple weeks, I think a vast majority would get injured.

I had averaged 50 mpw with workouts for 12 weeks before getting injured after a stupid-hard week at 60 mpw. I took time off, ran a few 45-mile weeks easy, then did week at 65 and a week at 70...and got injured again.

Maybe that's just me, but it's evidence that running only easy miles doesn't guarantee success.

Sure, you could physically do it but what's the point? You train to race, you don't train to train.

I have no idea about the odds.

I know of two cases where it was done successfully 35 years ago. Both cases ran at about 5k + 60 to 70 seconds and did one workout a week while working construction, 40 hours a week. In HS, your recovery is amazing but I also think the construction helped build functional strength that prevented injuries.