Allan first started playing football at Interlake High School located in Bellevue, Washington.
Allan played college football at Whitworth University, a Division III school in the Northwest Conference.
Allan was invited to play in the 2007 East-West Shrine Game following his senior season.
On September 12, 2007, Kansas City Chiefs President Carl Peterson announced that the club has added Allan to its practice squad.
[2] Allan was signed by the California Redwoods of the United Football League on August 18, 2009.