|Updated: 10/25 9:28 pm
||Published: 10/25 9:21 pm
The staging area for the race is at 4th and Boulder, therefore the area at 4th Street and Boulder will be closed all the way south to 21st street.
Boston will be closed from 3rd street down to 18th Street.
18th Street will be closed from Boston to the west over to Boulder.
21st Street on Riverside to 54th will be closed off, as well as the 23rd street bridge.
The finish line, at 3rd and Boston, and will be closed most of Saturday.
Most of the roads will reopen again by late Saturday morning.
(Video attached to this story includes a map of closures.)