Rowan played Football at Western Illinois University, NCAA Div IAA, Macomb, Illinois. He was a four-year starter and was the first true freshman WIU placekicker since 1990. He set numerous WIU Freshman kicking records including, tying the record for most Points after touchdown in a game by a freshman. His freshman season he broke the record for most consecutive PATs in a Season. His first collegiate field goal broke the record for longest field goal by a freshman in school history. Over the next three years, he was named All-American twice, National player of the Week 3 times, Gateway ConferencePlayer of the Week 3 times, WIU Special teamsplayer of the Year 3 times and All-Conference. He Shares the WIU record for longest Field goal with Mike Scrifres at 56 yards and holds the record for longest field goal at Hanson field. He also holds the WIU and Gateway Conference single-season record for the most 50-plus-yard field goals in a single season, connecting on six of eight tries from 50-plus yards. He was just two 50-yard field goals from tying the all-time NCAA record of 11 for his career. In his senior campaign, he broke and then set the NCAA FCS record for most consecutive PATs, scoring on 129 tries without a miss. He eventually finished his career at 160/162 PATs having 2 blocked his senior season. In his college career he set or tied a total of 16 school, conference and national records. In 2010 he was named to the Missouri Valley, Silver Anniversary Team.
Professional career
After going undrafted in 2008, Rowan signed with the AF2 Arkansas Twisters. He also played the last game of the 2009 UFL schedule for the now defunct New York Sentinels. In 2010, Rowan was signed by the Spokane Shock of the Arena Football League. He led the AFL, connecting on 140 PAT's including the AFL Playoffs. He finished the season hitting 100% of his FG tries, including a long of 40 yards in the AFL playoffs. Spokane defeated the Tampa Bay Storm to win the ArenaBowl XXIII Championship. Rowan would kick for the Shock again in 2011. After taking 2012 off, Rowan returned to the Shock in 2013 and kicked for them until 2015.