Apr 28 2013: Nathan Kostiv places 19th at the Men Cat 5 Race at the El Dorado Hills Town Center Crit

Mar 17 2013: Nathan Kostiv places 21st at the Men Cat 5 Race at the Bariani Road Race

Mar 16 2013: Nathan Kostiv places 31st at the Men Cat 5 Race at the Land Park Criterium

Feb 23 2013: Nathan Kostiv places 25th at the Men Cat 5 A Race at the Snelling Road Race

Feb 17 2013: Nathan Kostiv places 2nd at the Men Cat 5 Race at the Copper Town Square Circuit Race