Oklahoma state universtiy
26 USC Trojans Mens Track and Field
Arksansa track and feild
USC Trojans have 26 National Championships in Mens Track and Field.
About 2.5 months.
The most national championships in any one sport:31 NCAA national titles - Kenyon College - Men's Swimming and Diving.The most consecutive national championships in any one sport:31 consecutive national championships - 1980 thru 2010 - by Kenyon Collegein Men's Swimming and Diving
Depends which sport