Erin Mirabella was nine years old when she started racing bicycles at the Kenosha velodrome, in her home state of Wisconsin. She competed in her first Jr. Nationals at age 13, and won her first Junior National Championship at age 14, setting a Jr. 200 meter record that still stands today.
As a track cyclist, Erin placed fourth in the points race in 2004 Olympic games. She represented the United States in both the 2000 and the 2004 Olympic Games. She was a two-time gold medal winner at the 1999 Pan American Games and a gold medalist at the Goodwill Games. Erin has competed on eight World Championship Teams.
In 2006, Erin was awarded the prestigious Jack Kelly Fair Play award by the United States Olympic Committee for sportsmanship. Established in 1985, the award is presented to an athlete, coach or official for an outstanding act of fair play and sportsmanship displayed during the past year.