In Women's singles, in round 1, she defeated Caroline Kumahara, but in the second round, she lost to Kristin Silbereisen.
Kristin Chenoweth | Kristin Scott Thomas | Kristin Hersh | Kristin Ørmen Johnsen | Kristin Silbereisen | Kristin Linklater | Kristin Kreuk | Kristin Cavallari | Kristín Anna Valtýsdóttir | Kristin Nelson | Kristin Mooney | Kristin M. Davis | Kristin Hammarström | Kristin Halvorsen | Kristin Booth | Maria Kristin Yulianti | Kristín Ómarsdóttir | Kristin Omarsdottir | Kristin Krohn Devold | Kristin Hanggi | Kristin George | Kristin Fortune | Kristin Boese | Kristin "Billie" Davis | Kristin Bauer van Straten | Kristin Asbjørnsen | Ann-Kristin Olsen |
At the 2009 European Championships in Stuttgart, Barthel and her partner Kristin Silbereisen won a bronze medal in the women's doubles match, and shared their triumph with the Eastern European duo Oksana Fadeyeva (Russia) and Rūta Paškauskienė (Lithuania).