Career
Kingma took part in the World Championships of 2006 in the fours finishing fifth in Eton. A year later at the World Championships in Munich she was part of the double sculls and became 9th. She qualified for the 2008 Summer Olympics in Beijing with the Dutch eights forming a team with Femke Dekker, Annemiek de Haan, Roline Repelaer van Driel, Annemarieke van Rumpt, Sarah Siegelaar, Marlies Smulders, Helen Tanger and cox Ester Workel.
At the 2012 Summer Olympics she competed for the Dutch team with Chantal Achterberg, Sytske de Groot, Roline Repelaer van Driel, Claudia Belderbos, Carline Bouw, Jacobine Veenhoven and cox Anne Schellekens.