Tangier began only in 1997 with the rowing. Her first participation in major international championships ended with the eighth place finish at the 2001 World Championships in Lucerne, as they drove in the Dutch roller to second place of the B-final. In 2002, she was sitting with Froukje Wegman in the coxless pairs, but only finished in 14th place at the World Championships. 2003 onwards, Helen Tanger in the coxless four, in which she placed second at the World Cup in Lucerne, together with Sarah Siegelaar, Laura Posthuma and van Annemarieke Rumpt. At the World Championships in Milan, the boat also won the silver medal. In 2004, she returned to the Netherlands eighth and reached by boat at the Olympic Games in Athens in 2004 to third place behind the boats from Romania and from the United States. At the 2005 World Championships in Gifu, the Dutch roller won bronze again, this time behind the Australians and the Romanians. Started in 2007 Helen Tanger together with Nienke Kingma than two without and placed ninth at the World Rowing Championships in 2007. Tangier and Kingma 2008 sat back in the eighth. After two fourth places in the World Cup in 2008 the eighth in the Olympic final in Beijing succeeded in a rather surprising second place behind the U.S. Americans and against the Romanians.