Thanks everyone for the encouragement.

One thing I noticed while I was just using that 'ridewithgps' website is that the route I do every week is REALLY flat - biggest climb is 110 feet. This is far more hilly and full of climbs. I don't even know where to go that would have the hills like that. I know I have to train on some hills of that size - just no clue where to find them - so I guess I have a little homework to do. That's a GREAT site btw - MUCH better than mapmyride!

I know its mental - so I'm going to give it my all. And the thing I love - is that if I get there and decide to do the 25 miles - I'll be totally fine with that!