200 Miles.
18,000 feet.
No Joke.


45 Years in the running. The Terrible Two is one of America's most challenging endurance road cycling events.

We offer both 200 and 121 mile options.

Sebastopol, California

Who's riding?

Special Statement

The Terrible Two remains on course!

Amid the current situation as it relates to the spread of COVID-19, Terrible Two remains on-course. We will continue to monitor and adhere to all authoritative mandates issued by the CDC and local health officials. Your health and safety is our number one priority. However at the time of this writing on March 19th, the event is scheduled outside of the boundaries mandating social distancing.

Please make sure to sign up to our newsletter below to stay tuned in to any changes related to the event. Should we be required to reschedule, your registration will still be good for the new date.









The Terrible Two:

Sonoma County's longest running and most challenging timed road cycling event.

The Terrible Two is our region's version of an epic, and has been running strong since 1976.

There are two routes:

There are two challenging routes, neither for the faint of heart. The first, starting at 121 miles is considered a tough century, and a gateway ride to the more formidable Terrible Two 200 mile course. It is a slightly abbreviated version of the Terrible Two and excludes Napa County. It also starts two hours later. Both are equally supported throughout.


Competition and Awards

New for 2020!

We are introducing new ways to be competitive in either the 121 or 200 mile routes. Our focus with these new forms of recognition is to improve rider finish rates, and to reward you with the recognition you deserve for tackling one of the country's toughest events.


Pre-order the TT Commemorative Trucker hat with registration.

Be informed!

Complete this form and we'll put you on our mailing list to receive information about the Terrible Two.

Your info has been added to our list.

Remember to follow us on social media where we will be much more active.
Oops! Something went wrong while submitting the form.

You might also want to try: