I tipped over my first day coming to the end of the street to lead out of my neighborhood. I was so busy watching a car I didn't think noticed me, I didn't notice that I stopped. Plop! Of course, I did it in front of a diner filled with people watching.
It gets easier.
You can definitely do the Tour de Cure. Take it at your own pace and have fun. Kudos to you for signing up!
2013 Kirk Frameworks JK Special/Selle Anatomica
2012 Gunnar Sport/Brooks B17
2001 Calfee Tetra Pro/Selle Anatomica
1984 Raleigh Sport/Brooks B66