Career
He competed with the German national basketball team at the 2010 International Basketball Federation World Championship. Schwethelm began his professional career in 2005 with German side Köln 99ers (then called RheinEnergie Köln). He played sparingly for two seasons before seeing significant action starting with the 2007-2008 season.
While with the 99ers, he participated in EuroCup 2005-2006, Euroleague 2006-2007, and ULEB Cup 2007-2008.
In 2009, the 99ers declared bankruptcy. Schwethelm was then linked to a two-year deal with fellow Bundesliga side Eisbären Bremerhaven.
In the 2009-2010 season, he averaged a career-high seven points per game in helping the team to the league semifinals. In June 2015, he parted ways with ratiopharm Ulm.
Later that month, he signed with EWE Baskets Oldenburg.
Schwethelm was one of the top junior players in Germany. He first played with the German national basketball team at the 2004 International Basketball Federation Europe Under-16 Championship. He later competed with the junior squads at both the 2008 and 2009 International Basketball Federation Europe Under-20 Championship.
