Zat0pek wrote:
Here's a little-know secret about distance running.
If you can run three miles, you can run four.
If you can run four miles, you can run five.
If you can run five miles, you can run six.
If you can run six miles, you can run seven.
If you can run seven miles, you can run eight.
If you can run eight miles, you can run nine.
If you can run nine miles, you can run ten.
If you can run ten miles, you can run eleven.
If you can run eleven miles, you can run twelve.
If you can run twelve miles, you can run thirteen.
If you can run thirteen miles, you can run fourteen.
And if you can run fourteen miles...you can run fifteen.
That's twelve weeks, BTW, only adding one mile per week to your long run, which is extemely conservative.
Running fifteen miles in the time you have with at least some background running is emminently possible. Just lace 'em up and get out there. Lots of ways to skin this cat.