TOKYO—Poland scored an upset win in the inaugural Olympic 4x400 meters mixed relay on Saturday, with Dominican Republic picking up silver and the United States taking bronze.
The Polish team, comprised of Karol Zalewski, Natalia Kaczmarek, Justyna Swiety-Ersetic, and Kajetan Duszynski, put on a gutsy performance inside the fan-free Olympic Stadium after posting the fastest time in Friday’s heats.