Yu Yonghe runs in marathon held in Shanghai on Dec 12, 2012. [Photo provided to chinadaily.com.cn]
"Long-distance running requires perseverance and good physical strength," he said in the report. "Initially, physical strength was a challenge, but my perseverance conquered it."
He has also received support and encouragement from his family members.
Yu's 21-year-old granddaughter made a documentary on him and it won lots of praise on the internet.
