Trapp grew up in Charlotte, North Carolina, and played college soccer at James Madison University, where he was a four-year starter.
Trapp was consistently ranked in leaders among the CAA Conference and within the Top 10 for the NCAA in GAA and saves all 4 years as a starter at James Madison University.
Trapp led the league his rookie season in minutes[4] and ranking within the top 3 within the United Soccer League for saves, was voted MVP for the 1st Round of the 2007 Lamar Hunt US Open Cup tournament, and was later voted to the USL Second Division's Team of the Week on June 25, 2007.
After Boss was red-carded in the semi-final match against Real Maryland Monarchs, Trapp was selected the starter for the Eagle's in the 2008 USL Division 2 National Championship match, where they finished as finalist falling to the Cleveland City Stars 2–1 in regular time netting 9 saves total.
At the start of the 2009 regular season, Trapp was deemed as the Charlotte Eagles starting goalkeeper, and had instrumental performances against the Wilmington Hammerheads, Richmond Kickers, Bermuda Hogges, and Crystal Palace Baltimore to help secure the Eagle's road back to their 7th National Championship title match.