The remaining designers display their athleticism as they compete in field day events for extra work time. For the challenge, designers must create high-end performance-wear for Heidi Klum's New Balance line with the winning design sold at select stores. Project Runway's legendary Michael Kors returns to guest judge.

Project Runway's biggest fans are the inspiration for the designers. Each designer is paired with a fan and not only makes over the fan, but also creates a look specifically for her. Designer Erin Fetherston is guest judge.