Sha'Carri Richardson reacts after competing in the Women's 100 Meter Semi-finals on day 2 of the 2020 U.S. Olympic Track & Field Team Trials at Hayward Field on June 19, 2021 in Eugene, Oregon.
Sha'Carri Richardson reacts after competing in the Women's 100 Meter Semi-finals on day 2 of the 2020 U.S. Olympic Track & Field Team Trials at Hayward Field on June 19, 2021 in Eugene, Oregon.
Steph Chambers/Getty Images

Sprinter Sha'Carri Richardson has been suspended from the US Olympic team for one month after testing positive for THC, the US Anti-Doping Agency (USADA) announced on Friday.

Richardson, 21, tested positive for THC, the main psychoactive constituent of marijuana, via a urine sample taken at the US Olympic Trials where she came first in the 100m, the USADA said.

The one-month ban puts her participation at the Olympic Games later this month in jeopardy.

The USADA said that Richardson's 100m results at the trials have been disqualified due to the positive test, but her athlete eligibility for relay races at the Tokyo Games will be determined by the US Olympic and Paralympic Committee and USA Track & Field.

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