I thought Fritz, at 55, was going to be the oldest, but the honor went to Mark Richt, who is 43 days older.
The full list:
Mark Richt 55 Miami
Willie Fritz 55 Tulane
Dino Babers 54 Syracuse
Bronco Mendenhall 49 Virginia
Will Muschamp 44 South Carolina
Mike Jinks 43 Bowling Green
Chris Ash 41 Rutgers
Scott Frost 40 UCF
Kirby Smart 39 Georgia
Justin Fuente 39 Virginia Tech
Barry Odom 39 Missouri
D.J. Durkin 37 Maryland
Nick Rolovich 36 Hawaii
Jason Candle 36 Toledo
Matt Campbell 36 Iowa State
Mike Norvell 34 Memphis
Seth Littrell 30s North Texas * No exact age on Wikipedia page, but he finished at Oklahoma in 2001 so probably 36 or 37.
The full list:
Mark Richt 55 Miami
Willie Fritz 55 Tulane
Dino Babers 54 Syracuse
Bronco Mendenhall 49 Virginia
Will Muschamp 44 South Carolina
Mike Jinks 43 Bowling Green
Chris Ash 41 Rutgers
Scott Frost 40 UCF
Kirby Smart 39 Georgia
Justin Fuente 39 Virginia Tech
Barry Odom 39 Missouri
D.J. Durkin 37 Maryland
Nick Rolovich 36 Hawaii
Jason Candle 36 Toledo
Matt Campbell 36 Iowa State
Mike Norvell 34 Memphis
Seth Littrell 30s North Texas * No exact age on Wikipedia page, but he finished at Oklahoma in 2001 so probably 36 or 37.