Amusan broke the world record for the women’s 100 metres hurdles in a stunning semi-final effort at the Championships on Sunday.
She run a time of 12.12 seconds to break Kendra Harrison’s mark of 12.20, with the American finishing second in the heat.
Bolt via a series of Twitter posts congratulating the Jamaican female relay team reserved a post for Tobi. “Suberb,” he posted with flag emojis of Nigeria before adding a hashtag of the athlete’s name #Tobi.
Tobi went ahead to win the final by further lowering the semi-final race record, she completed the final with a time of 12.06 seconds.
A Reuters report noted that while most athletes aim to conserve their energy in the semi-final, the 25-year-old Amusan held nothing back at Hayward field, a day after she set the African record in the opening heats.
“It is a strong feeling. I wanted to get out and go,” she told reporters. “I did what I had to do. Looking forward to the finals.”