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To register for the 2023 Grizzly Peak Century, you must fill out the online registration form, agree to the liability release, and pay the fee.

Online Registration

Online registrants enjoy immediate confirmation of their registration. The entire financial transaction is handled through a payment processor, where you can pay with a debit or credit card. Your financial information is never seen by us.

Registration is now open.
The century typically sells out so don't delay.

Register Online

Registration Confirmation

If you register online, you will receive email confirmation from the online system.


Riders under 18 must have a parent or guardian sign the Liability Release and the Minor's Medical Release, and submit both with the application. The Medical Release will be given back to you at registration and must be carried on the ride.


The ride is limited to 1,000 riders. Online registration will not work after the limit is reached.

Waiting List

We do not maintain a waiting list once we sell out.


The Grizzly Peak Century goes on, rain or shine! However, see the Event Cancellation Refund Policy on our home page for extraordinary circumstances that may cause a cancellation.


If you are unable to make it to the Century, we invite you to give, sell or trade your Century entry to someone else. See the Transfers page for instructions.

Fees for the 2023 Grizzly Peak Century

Normal Registration
(completed or postmarked by Sunday April 16)
Late Registration
(after Sunday April 16)
Same Day Registration
(cash only, and only if room)
Short sleeve T-shirt, ordered in advance $20
Long sleeve T-shirt, ordered in advance $25
Short sleeve T-shirt, day of Century if available $22
Long sleeve T-shirt, day of Century if available $27
Image of T-shirt from the 2012 GPC
T-shirt art from the 2012 Century
by Adam Garcia