Nov 3 2012: Sergio Zaderenko places 16th at the Men Cat 4 Race at the Colavita Cup

Oct 23 2011: Sergio Zaderenko places 20th at the Men - Cat 4 Race at the Shawnee Rescue Radcross

Oct 15 2011: Sergio Zaderenko places 13th at the Cat 4 Men Race at the Joules CX I

Oct 9 2011: Sergio Zaderenko places 7th at the Masters 35+ Cat 4 Race at the Cross Out Cancer

Oct 2 2011: Sergio Zaderenko places 2nd at the Masters 40+ Cat 4 Race at the Boss Cross 2

Oct 1 2011: Sergio Zaderenko places 5th at the Masters 40+ Cat 4 Race at the Boss Cross 1

Sep 23 2011: Sergio Zaderenko places 8th at the Cat 4 Men Race at the Buffalo Bill CX