China hosts 23rd edition of iconic Great Wall marathon

Runners from across the globe put their physical and mental stamina to the test on May 16: to conquer the Great Wall of China Marathon. The race that starts and finishes near the Huangyaguan fortress celebrated its 23rd anniversary this year. It is known for being a particularly gruelling course, but one that's worth it. It is even on the Forbes Top 10 List of Marathons worth travelling for.