Francena McCorory posted the only world-leading running time at Saturday's Jamaica International Invitational, winning the 400 meters in 50.24. Sanya Richards-Ross, still nowhere near her top form following two foot surgeries in 2012 and 2013, was fifth in 51.62 in her 2014 debut.
Christian Cantwell posted the other world lead in the Kingston meet, winning the shot put with a toss measuring 21.85 meters (71 feet, 8 inches).
In other meet highlights, Justin Gatlin (10.11 seconds) and Blessing Okagbare (11.19) won the 100-meter races running into headwinds close to 2 meters per second. Shelly-Ann Fraser-Pryce and Rasheed Dwyer won at 200 meters. Felix Sanchez beat Jehue Gordon in the 400-meter hurdles and Will Claye won the long jump. Check out the meet's full results.
At Sunday's World Race Walking Cup in Taicang, China, Ukraine's Ruslan Dmytrenko was the surprising men's winner, taking the 20-km race in a national record 1:18:37. Russia's Anisya Kirdyapkina won the women's race one day earlier, finishing in 1:26:31.