The Kansas City Chiefs took the ball on their own 47 yard line with a 24-3 lead.
Thomas Jones and Jamaal Charles switched off carries and took the Chiefs all the way down for the score.
The series ended in a Jones touchdown on third down.
The big play of the drive was a 27-yard Jones run that took the Chiefs inside the 20.
After that drive, Jones has 19 carries for 95 yards while Charles has 12 carries for 97 yards.
Chiefs are dominating the 49ers, 31-3.