I am a rider, but not a group rider. (sometimes with one or two others.)
Anyway, local cycling links can be found here.
http://leescyclery.com/articles/teams-clubs-pg511.htm
There is also a team bob.
http://www.coteambob.com/
and bicycle colorado
http://bicyclecolo.org/index.cfm

Cycling is great here. Sometimes all year. But just in case, hope she likes winter sports, too.

Sarah