Lukas Maertens of Germany competes during the men's 400m freestyle of swimming at the World Aquatics Championships in Singapore, July 27, 2025. (Xinhua/Luo Yuan)
Kim Woomin of South Korea competes during the men's 400m freestyle of swimming at the World Aquatics Championships in Singapore, July 27, 2025. (Xinhua/Luo Yuan)
Zhang Zhanshuo of China reacts before the men's 400m freestyle of swimming at the World Aquatics Championships in Singapore, July 27, 2025. (Xinhua/Luo Yuan)
Lukas Maertens (front) of Germany competes during the men's 400m freestyle of swimming at the World Aquatics Championships in Singapore, July 27, 2025. (Xinhua/Luo Yuan)
Gold medalist Lukas Maertens of Germany reacts after the men's 400m freestyle of swimming at the World Aquatics Championships in Singapore, July 27, 2025. (Xinhua/Luo Yuan)
