Jamaica’s Thompson-Herah crushes 100m prelim, moves to semis
![Jamaica's Thompson-Herah crushes 100m prelim](https://ktvz.b-cdn.net/2021/07/oly20_atw100_2231_thompsonherahheat_hlf_210730-1440x810.jpg)
NBC Olympics
Defending Olympic champion Elaine Thompson-Herah of Jamaica, who doubled in Rio 200m, clocks the second-fastest time of the women’s 100m prelims to win heat two in 10.82; Swiss Kambundji ties a national record in second.