On Sunday, participants in the Tianjin Marathon make their way along the race course. Photo: VCG

The 2023 Great Wall Marathon of Huairou was held Sunday along the shores of Yanqi Lake in Huairou district, Beijing. Photo: VCG

Participants in the Dalian International Marathon pace themselves during the race. Photo: VCG

Participants pose for photos during Sunday’s 2023 Xiongan Marathon in Xiongan New Area, Hebei province. Photo: VCG

On Sunday, a participant greets well-wishers while running in the 2023 Chizhou Marathon in Anhui province. Photo: VCG

On Sunday, an elderly runner signals she’s fit during the Longhushan Marathon in Yingtan, Jiangxi province. Photo: VCG

Spectators gather to watch the Tianjin Marathon. Photo: IC Photo

More than 30,000 participants from all over the world took part in the Tianjin Marathon. Photo: VCG