Competitor bio:

Zhen Xin is a 17-year-old marathon enthusiast with a deep passion for long-distance running. Born on February 7th, Zhen sees this birthday as particularly meaningful, coinciding with the conclusion of the 777 race—a symbolic coming-of-age gift and the realization of a lifelong dream. Zhen’s marathon journey began at the age of 11, completing a first marathon in August of that year and a second one by the end of the same month. Since then, marathons have become a defining part of Zhen’s life and passion.