Sha'Carri Richardson's return to the race track wasn't quite as glorious as she would've hoped -- she came in last place against some of the same women she'd beat a couple months ago.
The U.S. sprinter -- who was disqualified from competing in this summer's Tokyo Olympics -- took her mark Saturday for the Prefontaine Classic at the University of Oregon ... where she was set to race in the women's 100-meter dash against 8 others, including three of the Jamaican Olympians who took gold, silver and bronze during the games in her absence.
When the gun went off, everyone was hurdling down the track .