Julien Alfred, Demisha Roswell and Johnathan Jones pulled off impressive victories as the Big 12 Conference Championships concluded in Lubbock, Texas on Sunday.

Alfred, the St Lucian sophomore at the University of Texas, ran a wind-assisted 10.80 to win the 100m. The 20-year-old Alfred, who ran 10.81, the second fastest time in the world this year, in her preliminary round heat on Saturday, showed it was no fluke with another blazing performance, holding off teammate Kevona Davis of Jamaica, who clocked 10.83 for second place.

Rosemary Chukwuma of Texas Tech was third in 10.88 in the race aided by a wind of 2.4 m/s.

Texas' Kynnedy Flannel won the 200m in a meet record 22.23 over Davis, who ran a personal-best 22.26 for second place. Chukwuma was third in 22.34 while Alfred ran 22.64 for fourth place.

In what could be considered a mild upset, Roswell, a junior at Texas Tech ran a meet record of 12.44 to defeat Baylor sophomore Ackera Nugent (12.45) in a blanket finish. Third place went to Baylor senior, Alexis Duncan who crossed the finish line in 12.93.

Stacey-Ann Williams won the women’s 400m in 50.21 as Texas runners finished 1-2-3. Kennedy Simon was second in 50.68 with Rhasidat Adekele third in 50.70. Baylor’s Kavia Francis finished fourth in 51.15.

Jones, from Barbados, set a new meet record in the men’s event. The Barbadian, who is a junior at Texas clocked 44.43 to win in dominant fashion over Richard Kuykendoll of Oklahoma, who took the silver in 45.25. Not far behind in third was Willington Wright of Texas who clocked 45.34.