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Jamaican sprinter Shericka Jackson took over the 2023 world lead from Sha’Carri Richardson, improving on the American’s 10.71, with a 100-metre sprint of 10.65.

Richardon’s run on Thursday was a statement, a personal best and the world lead. On Friday, she showed up to the start line of the USATF finals wearing a wig, which she tossed before winning in 10.82. She also ran a 10.75.

In Kingston, Jackson jumped on the drama and crushed the world lead and set a new lifetime personal best.

Running lane five, Jackson, who happens to be the defending 200-metre world champion, got out of the blocks fast and led from the beginning to the end, bettering Shashalee Forbes in 10.96 seconds and Natasha Morrison in 10.98.

Jackson is now one of the favourites for the 2023 Budapest World Athletics Championships, alongside Richardson and Marie-Josee Ta Lou (10.72) of Côte d’Ivoire (Ivory Coast).

The 28-year-old Jackson’s personal best was 10.71 — the same as Richardson’s current best. The 34-year-old Ta Lou clocked 10.72 in Monaco last year. Perhaps at age 23, Richardson has the most room to improve.

The only Jamaicans to have run faster than Jackson are Shelley Ann Fraser-Pryce and Elaine Thompson-Herah who last August ran 10.60 and 10.54, respectively. Jackson’s performance took place Friday during the Jamaican National Trials.

Defending world champion Fraser-Pryce has yet to start her season. Perhaps she is planning a sharp peak, rather than racing her best before the World Championships.