May 27 2013: Sean Mackinnon places 15th at the Men 2 Race at the Killington Stage Race - Stage 3 in a group sprint

May 27 2013: Sean Mackinnon places 7th at the Men 2 Race at the Killington Stage Race - GC in a group sprint

May 26 2013: Sean Mackinnon places 5th at the Men 2 Race at the Killington Stage Race - Stage 2 in a group sprint

May 25 2013: Sean Mackinnon places 56th at the Men 2 Race at the Killington Stage Race - Stage 1 in a field sprint