of swift prosecution that needs to happen in all of these cases, ana. what a wild story. pete muntean, thank you. now, imagine breaking a world record and having to settle for silver. the women s olympic 400-meter hurdles final was billed as a showdown between the two fastest women ever to run this race and it lived up to the hype. sydney mclaughlin and dalilah muhammad went head-to-head in this case. as you can see it was so close. mclaughlin shattered her own world record by nearly half a second to win gold. muhammad took the silver even though her time beat the previous world record as well. go americans. go team usa. in the meantime simone biles says she s leaving the door open for a potential returning to the olympics in the future. here s what she told nbc. was that beam routine the last time we re going to see you compete at the olympic games?
final in part competition is now set to go. reporter: while on a sweltering day at the skate park, young stars continue to dominate in skateboarding s olympic debut, all cheering each other. classic form on that 13-year-old sky brown n bronze. how does it feel to win that bronze? this is insane. it s unreal. i m so happy. reporter: simone biles says despite everything, she is happy as well, telling our hoda kotb we may not have seen the last of her. was that beam routine the last time we re going see you compete at the olympic games? i think i have to relish and take this olympics in and kind of recognize what i ve done with my career, because after 2016, i didn t get to do that. so you re keeping the door open? yeah, keeping the door open. reporter: tom llamas, nbc news, tokyo. this week, the tokyo olympics coincides with the 76th anniversary of the hiroshima bombing. keir simmons on the lasting impact being felt there.
pressure is like to be part of the most-watched olympic event, the most-watched team at the olympic event? and for simone biles, the most watched athlete at the most watched team at this olympic event? any athlete who goes into an olympic games, it doesn t matter who you are. you want to go out there and perform. i remember before my final beam routine after a rocky road at the 96 games, i didn t want to fall or fail or let anyone down. i wanted to go out there and compete like i had trained so many times. no one could have put more pressure on myself than i could have. i think all of these athletes bear that responsibility and pressure going in. it is kind of gets to a point how you handle what matters most. a lot of times i think it s hard these days to get away from it. you ve got the 24/7 cycle. you ve got social media. you ve got everything right there, everyone s constantly