Bicycle Tour of Colorado (BTC), 23rd annual, is a fully supported seven-day tour, popular with FCCC members.
Individual Basic Sign-ups: $570/June.
Sign-up 5; and, a 6th may sign-up for no charge!
Use discount code fbF17 for $20 off registration!
Here are a few unofficial maps:
23rd BTC shortest route map
23rd BTC medium route map
23rd BTC longest route map