The 17-year-old kicked off a wild celebration in her home state.
Amazingly, Peru’s Angelo Caro Narvaez got back up and continued his skateboarding routine despite this agonizing moment.
Richardson recently qualified for the Tokyo Olympics, but a suspension over cannabis use will bar her from participating in some events.
But the star athlete could still compete in certain events after her suspension expires.
Prior to the U.S. Olympic trials, Flach proudly showed off her baby bump and announced she'd be competing while about four months along.
The games will bring thousands of foreign athletes, officials, sponsors and journalists to Japan during a pandemic.
The decision underscores the challenges facing Japan as it struggles to stage a global sporting event amid the raging coronavirus pandemic.
Officials said the risk was too great to admit ticket holders from overseas during the coronavirus pandemic.
The World Anti-Doping Agency voted to punish Moscow for tampering with laboratory data.
The U.S. Olympic and Paralympic Committee warned that the U.S. athletes could "face more serious sanctions for any additional breach" of its code of conduct.