Should I be doing doubles 5 times a week with this running?

If you added the doubles, I wouldn't keep increasing your minutes on your regular runs also. I think you're doing more than enough for your age and events. You could run some great times with that kind of base.

Thanks for the encouraging words, but when I say adding doubles, I mean splitting up the minutes I planned on doing in singles into doubles. like how Monday was a 70 minute run, I would do something like a 30 min. AM run, and a 40 min. PM run.

Oh I gotcha. I would probably keep doing the singles for the most part. If you're getting worn down by that schedule, maybe you could split 2-3 days into doubles. If you're feeling okay doing the singles, I'd probably just stick with that. It's like Lydiard says, you should do as much as possible in singles. Assuming they're all easy runs, you'd get more out of going 70 than 30+40.

Okay I know i am a girl so you probably won't take this as seriously as you should but I am actually a decent 5k runner. My D1 college coach never wanted us to do 2 a days until we hit at least 80+ miles a week which I never did. He beleived that you could get a lot more out of running an 8 mile mun than 2, 4 miles runs. It was the truth once I started following his program I had a lot more endurance and was able to pr in every event the following season.

you probably do not need any double days with what you are running now. I think grlrunner is correct by saying once you reach above 80+ miles and want to do more mileage then that is the appropriate time to do double days. From a personal stand point I believe that singles are much better then double days...But sometimes after a hard race or interval day I like to do a couple of easy runs the folowing day. For base training singles are the way to go!

I do agree with everyone in saying that singles are the way to go if you can do them. I am slowly getting to the point where I'll be able to run my 70miles per week in singles, but for now because I'm conserned with injuries I'm doing three double days. But if you can do singles without getting injured then do singles!

looks like a long run every day

I'm a girl too, but I do know that when I was at Stanford training under Vin, he had basically all of us doing doubles. I think that most if not all of the guys went about 8-9 miles on their regular afternoon training runs, no more, and did 4-5 miles in the morning some days (how many varied by who you were and how much mileage you needed). Personally it doesn't make all that much sense to me to do 10+ mile runs EVERY day when you're racing much shorter. I even did two doubles a week running 55-60 mpw. Our mens program was EXTREMELY successful under Vin, so I think there's a lot of merit to the doubles.

Another suggestion:

http://www.bunnhill.com/BobHodge/BaseTraining.htm