Rank Mark Converted Round Athletes Date Meet
1 59.0 59.2c F Bob Ryan 4/28/72 Penn Relay Carnival
        Barclay Poling    
        Bruce McCutcheon    
        Charles Dobson    
2 1:00.0 1:00.2c F Dee Craig 4/27/68 Carolina Relays
        Dave Watson    
        Mark Decot    
        Doug Griffith    
3 1:00.7 1:00.9c F Mark Decot 4/19/69 Norfolk Relays
        Doug Griffith    
        Dave Watson    
        Carrington Herbert    
4 1:01.1 1:01.3c F Dee Craig 4/12/68 Colonial Relays
        Dave Watson    
        Mark Decot    
        Doug Griffith    
5 1:01.6 1:01.8c F Dee Craig 4/29/67 North Carolina Relays
        Rich Conway    
        Mark Decot    
        Doug Griffith    
6 1:02.6 1:02.8c F Dee Craig 4/7/67 Colonial Relays
        Mark Decot    
        Rich Conway    
        Doug Griffith    
7 1:04.1 1:04.3c F Ray Henry 4/18/70 Norfolk Relays
        Buddy Jones    
        Steve Mabus    
        Bruce Dallas