Original sentence: In July of 2008, Filchenkov teamed up with Ginna Hoptman, and they are training with 1980 Olympic champions Natalya Linichuk and Gennadiy Karponosov at Iceworks Skating Complex  in Aston, Pennsylvania
Edited sentence: In July 2008, Filchenkov teamed up with Ginna Hoptman, and they are training with 1980 Olympic champions Natalya Linichuk and Gennadiy Karponosov at Iceworks Skating Complex  in Aston, Pennsylvania