Okay, so I'm a newbie. Was training (spinning) with a group of guys all winter. Now out on the road with my new bike. First trip I took with the guys I couldn't keep up. Their pace kicked. Mine didn't.

Two questions: What is a good speed (mph) for a fit chick to maintain? Yesterday I couldn't hold 17mph for more than a minute or two (very windy).

What do I do to build strength so I can ride with the guys or fast gals?