The 2018 Beijing Marathon was held on Sunday, with 30,000 runners participating in it. (Photo: VCG)

The 2018 Beijing Marathon kicks off at Tian'an men square on Sunday. (Photo: VCG)

The 2018 Beijing Marathon was held on Sunday, with 30,000 runners participating in it. (Photo: VCG)

The 2018 Beijing Marathon was held on Sunday, with 30,000 runners participating in it. (Photo: VCG)

The 2018 Beijing Marathon was held on Sunday, with 30,000 runners participating in it. (Photo: VCG)