What is the mens world record for the 1500m freestyle?

100 meter freestyle long course (50 meters) world records: Men: Pieter van den Hoogenband - 47.84 seconds

Women: Libby Lenton - 52.99 seconds

100 meter freestyle short course (25 meters) world records: Men: Stefan Nystrand - 45.83 seconds

Women: Libby Lenton - 51.70 seconds