May 19 2013: Marvin Guzman places 34th at the Men Cat 1/2 Senior Race at the Mutual of Enumclaw Stage Race - GC in a group sprint

May 19 2013: Marvin Guzman places 8th at the Men Cat 1/2 Senior Race at the Mutual of Enumclaw Stage Race - RR in a group sprint

May 18 2013: Marvin Guzman places 73rd at the Men Cat 1/2 Senior Race at the Mutual of Enumclaw Stage Race - TT in a group sprint

May 18 2013: Marvin Guzman places 49th at the Men Cat 1/2 Senior Race at the Mutual of Enumclaw Stage Race - Crit in a group sprint