In May 2009, Harmotto began to train with the U.S. National Team. She participated in the 2009 Women's Pan-American Volleyball Cup in July, the 2009 FIVB World Grand Prix in August and the 2009 Final Four Intercontinental Cup in Lima, Peru in September. At the Final Four Cup, Harmotto was starter in all five matches. She averaged 0.95 blocks per set, totaled 19 blocks in five matches and was named the tournament's "Best Blocker". She helped Team USA to the gold medal match, where they lost to World No. 1 Brazil in four sets.