How do I register for the Williams Route 66 Marathon? Danielle Cemprola April 22, 2019 22:47 Updated Follow Register for the 2019 Williams Route 66 Marathon by clicking here! For questions regarding general race information, please contact firstname.lastname@example.org. For issues with the registration page, please email email@example.com. Related articles How can I confirm my registration, Bib# or Corral placement? Comments 0 comments Article is closed for comments.