This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

Runners pose for photos before the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China, Sept. 14, 2025. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

Chinese marathon athlete Li Dan (C) and Chen Yufan (R) attend the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China, Sept. 14, 2025. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

Runners pose for photos before the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China, Sept. 14, 2025. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

Runners pose for photos before the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China, Sept. 14, 2025. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)

This photo taken on Sept. 14, 2025 shows the opening ceremony of Beijing Marathon Training Camp for the upcoming 2025 Beijing Marathon in Beijing, capital of China. The 2025 Beijing Marathon will kick off on November 2. (Xinhua/Bai Xuefei)