Get outside, explore, and connect with others while enjoying CO gravel around Denver, Boulder, and beyond!
Complete all 7 routes • Collect all 7 stamps • Earn your passport!
HOW TO EARN YOUR PASSPORT STAMPS:
1. Register on the Passport website.
2. Join the GBA Strava Club.*
3. Complete all seven routes in 2026 between April 1 and October 31.
4. You must complete the full route and total mileage to qualify for a stamp.
(You may start and finish from different locations and can always add extra mileage!)
5. Tag @GravelBikeAdventures in your Strava activity after completing the route— or email us.
🌟 Bonus points for sharing photos, tagging @gravelbikeadventures & using #GBAPassport on Instagram!
🚵 GBA will ride one route each month and announce a "pop-up" style event a day or two in advance —
keep an eye on the GBA Strava Club & Instagram for announcements.
🤝 Use the Strava Club to connect with other cyclists, coordinate meetups, make friends, share photos
and cheer each other on.
🏆 We'll host a season-end gathering to celebrate participation and passport completion.
Awards and prizes TBA!
*You do NOT need to pay for a subscription to join. However, If you would like Strava membership benefits, we have a 20% off code — use code ADVENTURE at checkout for a yearly subscription paid annually.