Chase Kalisz earns USA's first gold medal at Tokyo Olympics with 400m IM win | NBC Sports NBC SportsChase Kalisz, a Michael Phelps protégé, wins Team USA’s first gold medal at Tokyo Olympics Yahoo SportsUS swimming takes early lead in Tokyo, with first six medals of post-Phelps era • FRANCE 24 FRANCE 24 EnglishChasing Gold: The race for Team USA's first gold at Tokyo Olympics heats up USA TODAYWorld champion Daiya Seto misses 400 IM final in shocking upset | Tokyo Olympics | NBC Sports NBC SportsView Full Coverage on Google News