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Nikki Hiltz is a professional runner who specializes in middle-distance events, particularly the 1500 meters and the mile. These races require a combination of speed, endurance, and tactical awareness. Hiltz has achieved notable success in both events, setting personal bests of 4:04.98 in the 1500 meters and 4:25.92 in the mile. She has represented the United States at international competitions and has won several national titles.