What is the men's 2400 meter world record?

Current 440 yard dash World Record set by John Smith in 1971 is 44.58.
The fastest 440 yards run clockwise was Scott Ruvolo 1984 on a dirt track at Excelsior H.S in Norwalk on July 20th at an open meet. He was clocked at 44.97 but it was latter changed to 45.17 taking the slowest time of the 4 watches because of disbelief. His 44.97 and 45.17 on a dirt 440 yards running clockwise was both faster than his best 400m on an all weather runing in the correct direction.
-Michael Johnson holds the WR for 400 meters more than 2 yards shorter then 440 yards at 43.18.