The Tianjin Marathon has attracted over 33,000 runners from 39 countries.
I think this year's marathon is better because the whole track is cleaner.
Xu Jiaying, a runner from Shanghai, expressed her positive experience. Zhanglan, the third-place winner in the women's half marathon from Sichuan, noted the eco-friendly initiatives, which encouraged participants to bring old clothes and raincoats to reduce waste.
Author's summary: Tianjin Marathon goes eco-friendly.