Like most racers began Kechele his career in karting, where he was active from 1996 to 2002. In 2003 he moved to the German Formula Renault and finished right away with two wins in sixth place overall. He also started in the Netherlands and the Scandinavian Formula Renault. The following season he repeated his overall placement in the German Formula Renault. Successful it was for him in the Scandinavian Formula Renault, in which he won the runner-up title with six wins. In addition, he made his debut in the Formula Renault 2.0 Eurocup.
2005 Kechele decided for a change in the German Formula 3 Cup. The racing driver won a race, was standing with another three races and finished on the podium at the end of the season fifth overall. After a one year break in 2007 Kechele returned to motorsport back. While 2.0 Eurocup finished sixth overall in the Formula Renault, he won the North European Formula Renault with 8 victories in 14 races ahead of his compatriot Tobias Hegewald.
Despite his title win Kechele returned to the Formula racing back and moved to the GT racing in the ADAC GT Masters. In his first season, he joined together with Harald Becker in a Lamborghini Gallardo from Team Argo Racing and immediately became third in the championship. In 2009, he played his second season in the series on the side of Cuba Giermaziak and finished at the end of season tenth overall. 2010 moved to Kechele Reiter Engineering and goes again in the ADAC GT Masters at the start, where his team mate this season Ellen Lohr. In the second race weekend at the Sachsenring Kechele participated as a representative of Giermaziak with Jens Kling man in the Audi R8 LMS from Abt Sportsline. In addition Kechele made his debut in the FIA GT1 World Championship. He drove with his teammate Jos Menten a Lamborghini Murcielago Reiter Engineering in the championship race at Silverstone on the fourth position, but since the winning team was disqualified, Kechele thus moved up to third place. At Spa -Francorchamps he celebrated his first race win in the GT1 World Championship with Ricardo Zonta.
Parallel to his involvement in motor sport he studied economics in Ulm.