Katherine Derkach

2013 Arizona Level 24, 5 State Championships 2013 Arizona Level 24, 5 State Championships Hollywood Invitational Hollywood Invitational 2013 PGA Halloween Invitational 2013 PGA Halloween Invitational 2013 Rock-n-Roll Classic 2013 Rock-n-Roll Classic Fall Flip 2013 Fall Flip 2013 Jammie Jam Jammie Jam 2013 Arizona Spring Championships XCEL State 2013 Arizona Spring Championships XCEL State Valley Of The Sun Challenge Valley Of The Sun Challenge Arizona Sunrays Classic Rock Invitational Arizona Sunrays Classic Rock Invitational 2012 Arizona Level 4 State Championships 2012 Arizona Level 4 State Championships Hollywood Invitational Hollywood Invitational 2012 PGA Halloween Invitational 2012 PGA Halloween Invitational 2012 Rock-n-Roll Classic 2012 Rock-n-Roll Classic Fall Flip Fall Flip Jammie Jam Inviational Jammie Jam Inviational 2012 Arizona Spring Championships 2012 Arizona Spring Championships 2012 Mardi Gras Challenge 2012 Mardi Gras Challenge 2012 Chinese New Year Celebration 2012 Chinese New Year Celebration Arizona Surays Classic Rock Invitational Arizona Surays Classic Rock Invitational 2012 Long Beach Open 2012 Long Beach Open 2011 Arizona Level 4 State Championships 2011 Arizona Level 4 State Championships PGA Halloween Meet PGA Halloween Meet 2011 North Valley Twistfest 2011 North Valley Twistfest Rock-n-Roll Classic Rock-n-Roll Classic PGA Invitational PGA Invitational Jammie Jam 2011 Jammie Jam 2011 2011 Arizona Spring Championships 2011 Arizona Spring Championships Chinese New Year Chinese New Year Rock-N-Roll Classic Rock-N-Roll Classic