It was a little late but here is the video of Ironman St George Bike Course with some still pictures of the course.
Video of miles 0 to 18 on the bike
Miles 19 to 22 are already captured as part of the run course
Video of Miles 23 to about 53 of the bike course and since it is a loop this is also miles 67 through 97
Just after the Veyo climb
Descending towards St George