Pinnacles 600k registration is by separate form beginning Jan 13 at noon. Go back to website, click on 600k button on front page or ride page.
Register and select the brevets you plan to ride. See the guidance for refunds at http://slorandonneur.org/registration/
Registration closes on Thursday night at midnight before each brevet. You may sign up for one or more.
All riders must be over the age of 18, according to current RUSA guidelines. (Jan 11, 2019)