Mary Burger (born August 18, 1948) is an American professional two-time World Barrel Racing Champion.
In 2016, at 68 years old, Burger became the oldest person to win a World Championship in either the Women's Professional Rodeo Association (WPRA) or the Professional Rodeo Cowboys Association (PRCA), setting a new record.
She broke the existing record set by Ike Rude of 59 years old in steer roping set back in 1953.
She also broke the record set by Mary Walker in 2012 at 53 years old in the WPRA.
Also In 2016, she became the third WPRA barrel racer to wear the No.
1 back number at the National Finals Rodeo (NFR), she set a new record for season earnings, and she set a new record by becoming the oldest WPRA qualifier to the NFR at 68 years.
Her horses, Mo and Fred, whom she used to win her titles with, she trained in barrel racing herself.
In 2017, she was inducted into the National Cowgirl Museum and Hall of Fame.