Second the never to old sentiment. I went on a Women's group ride last week, one of the leaders of the fast ride is in her 60's. I have seen her out on the trails before, she is fast. Completely kicks my 27 year old butt on the dirt. She probably could put my husband in his place if she wanted to. 
This weekend I learned even more by riding a rocky trail- owie. There were some loose rocky descents, yesterday I said no way to them because one turned at the bottom which really bugs me. But today I was mentally ready to try and did. As stupid as it sounds by just relaxing and trusting my little bike I made it. Definitely was not pretty or how you should descend but it worked and I made it. Shaking but in one piece. I made the mistake of being too far forward on the seat and using the brakes too much. Now I know how to make it a better descent when we go back out to this trail. The trail is 68 miles away but just down the road from my in-laws. I am eager to visit it again. I love tiny victories on the trail, I have more there than I ever do on the road.
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan