Can a friend run along with me for support? Johnny Spriggs August 08, 2014 00:38 Updated Follow No, only registered participants wearing a Route 66 Marathon numbered bib will be allowed on the course. Related articles What is the deadline to register for the charity program? Are restrooms available on the course? How can I confirm my registration, Bib# or Corral placement? Comments 0 comments Article is closed for comments.