About six blocks from intersection at 4th and “D” Street where the Ceremonial Start begins, the teams take a right off 4th Avenue onto Cordova St. Interesting events take place at that corner. In 2017 Jeff King, wearing bib #34, and his Iditarider rounded the corner… From this photo sequence, you can see the rest of the story.
PRICELESS would describe the Go-Pro footage captured by the Iditarider.
By the way, this is a great physics lesson on center of gravity and base of support.