US Olympic BMX rider taken off in a stretcher after a scary crash 9 seconds into a race

• American BMX rider Connor Fields had a scary crash at the Tokyo Olympics.
• Fields was treated by medical staff, then taken off in a stretcher to the hospital.
• Fields won gold at the Rio Olympics and was considered a favorite in Tokyo.

American BMX rider Connor Fields was taken to the hospital on Friday at the Tokyo Olympics after a scary crash during the men's semifinal heat.

The crash occurred on the first turn of the race, just nine seconds in, as Fields collided with two other bikers while landing from a jump. Fields appeared to hit the back tire of another biker.

READ MORE: The updated Tokyo 2020 medal table

As he fell, he caused something of a pile-up as other riders crashed into him. The other riders appeared to be okay.

Fields was treated by medical staff before being taken to the hospital.

Dr. Jon Finnoff, the chief medical officer for the United States Olympic and Paralympic Committee, told NPRon Friday that Fields is stable and awake and awaiting further evaluation in the hospital.

The Olympics Twitter account wished Fields and women's rider Saya Sakakibara, who was involved in a crash, well.

Fields won gold in the race at the Rio Olympics and was considered a favorite in Tokyo.