Levi Jung-Ruivivar, a former U.S. national team member who now represents the Philippines, received medical attention and intends to compete on Sunday.
Environmental groups said they planned to target airports this summer, calling for governments around the world to end the extraction and burning of fossil fuels by 2030.
Pyongyang says its trash filled balloons are a tit-for-tat response to South Korean activists who have for years sent propaganda leaflets via their balloons.