Marshalltown won 28-26, 25-11, 27-25 to improve to 11-12 overall and 2-3 in the ICCAC.
NIACC fell to 11-11 overall and 1-5 in the ICCAC.
NIACC was led by sophomore Melissa Bisbee (Stacyville, Ia.) with seven kills. The Lady Trojans also received six kills from freshman Jessica Balek (Manly, Ia.) and four kills each from freshman Carly Ouverson (Fertile, Ia.) and sophomore Lexy Nodtvedt (Manly, Ia.).
Also for NIACC, Ouverson had 11 assists and freshman Heather Danburg (Mason City, Ia.) had 10 assists. Freshman Hallie Erdahl (Lake Mills, Ia.) had 21 digs, Danburg had 12 digs and freshman Grace Olmstead (Waterloo, Ia.) had nine digs.
Sophomore LaShae Brooks (Nett Lake, Minn.) had three blocks.
NIACC returns to action Wednesday at DMACC.