Walther began his footballing career at Tractor Dargun, a club from Dargun near his birthplace. About the stations FSV 1919 Malchin and FC Neubrandenburg Tollense Walther arrived in 2002 as a B -teenager to FC Hansa Rostock, for which he ran aground in the following two seasons in the B- youth - Regional, where he in 2003/ 04 is also a game for the Rostock 's youth completed, which participated as a founding member of the newly introduced U-19 league.
2004/ 05 and 2005/ 06 was also old Walther according to the U -19 Rostock, with whom he the third, then first occupied the sixth place in the final table of their season. In addition, Walther still came as A teenager also two appearances in Rostock second men's team, which contested the 2005 /06 in the fourth division Oberliga Nordost. Although he graduated no play in the National Cup, Walther counted thus also to the squad of cup winners this season. After he was moved up entirely in the reserve team for the season 2006 /07 Serie A, Walther came for this but only six scoreless operations during the first round and was not summoned in the DFB-Pokal 2006/ 07 against FC Schalke 04. During the winter break, he left the club, therefore, to join the Association fünftklassigen division SG Warnow Pape village.
After Walther had completed for Pape Village in the second half of 2006/ 07 twelve missions, he was taken to the summer of 2007 by the SG Dynamo Dresden under contract. Although Walther was in autumn 2007 in the meantime also the first team Dynamos, but he was initially used exclusively in Dresden's reserve, which contested the fünftklassigen division Saxony 2007/ 08. 2008/ 09 the national league was sechstklassig by the introduction of the 3rd Liga, whereupon the Dresdner second representation for the summer of 2009 achieved promotion to the Oberliga Nordost now fifth rate. In addition, the team won the Saxon Cup after Walther had scored the decisive goals in a 2-1 victory in the final against VFC Plauen. In the following premier league season 2009/10 Walther succeeded not only to Klassernerhalt his team to contribute as a fifth of South- season, but is thereby also recommended for the first team of Dresden. So he came on 27 April 2010 for the first time in a professional league for use when he came on 28th matchday of the 2009/10 season the 3rd league against Holstein Kiel. In the season 2010/11 Walther again belonged to the root formation of the reserve team and came to only one operation in the third division, as he was substituted on the 36th game against SV Babelsberg 03.
In the summer of 2011, he signed a two year contract with the regional league VFC Plauen. However, he changed after one year the club and joined the Oberliga Budissa Bautzen. In the Oberliga West in 2012/13 he was runner-up with Bautzen, Walther, scoring 13 goals in 27 games.