Smith is a four-time U.S. Mid-Amateur champion and holds the record for the most victories in the championship. He first won in 2003, becoming the youngest-ever champion at age 25. He won two consecutive Mid-Ams in 2009 and 2010, and then made history with his fourth win in 2012, breaking a tie with Jay Sigel, a fellow Pennsylvanian who won two U.S. Amateurs and competed on a USA-record nine Walker Cup Teams. Smith was a member of the 2009 and 2011 USA Walker Cup Teams, and was a member of the victorious USA squad at the 2010 Copa da las Americas in Argentina. He has competed in four consecutive U.S. Amateur Championships, from 2010-13, but did not qualify for match play in that span. He earned four consecutive victories in the Western Pennsylvania Amateur, from 2007-2010. Smith won the Pennsylvania State Amateur in 2002 and 2009 and was runner-up in 2001, 2007 and 2008. Additionally, he finished runner-up at the 2002 North & South Amateur and the 2008 Northeast Amateur.