In order to use RunSignup, your browser must accept cookies. Otherwise, you will not be able to register for races or use other functionality of the website. However, your browser doesn't appear to allow cookies by default.
If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Please try enabling cookies. You can find instructions at https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto.
Additional race information can be found at https://planetultra.com/make-mine-a-double/.
Support Planet Ultra through the COVID-19 crisis while staying strong and motivated to ride doubles!
Mileage challenge and virtual double centuries for both Planet Ultra Grand Slam and California Triple Crown credit.
Outdoors or indoors using any trainer app.
Change to win great prizes!
Challenge details here: https://planetultra.com/make-mine-a-double/
If you have any questions about this race, click the button below.Questions?
Like this page and invite your friends on Facebook.
Please complete the following survey to help us better understand your race experience.