[1] In 2005, she was selected for the US Women's Trial des Nations team with Nicole Bradford and Louise Forsley to compete in Italy.

This was enough to give her the runner-up position in the championship, with Williams again taking the title and Caroline Altman third.

Now part of the established US Women's TDN team with Forsley, the pair traveled to the Isle of Man for the 2007 event, finishing in 6th position.

Duke was runner-up again in 2011 when she finished behind Caroline Allen and ahead of the third placed future champion Rachel Hassler.

A trip to Italy for the Trial des Nations event with Allen and her longtime teammate Forsley resulted in a 7th-place finish.