The USA leads Jamaica in this series, 6-2.

It turned out to be the the Allyson Felix—Sanya Richards match-up everyone wanted. Felix anchored USA Red to victory in 42.57, but Richards was right on her heels the whole way, finishing off USA Blue in 42.64. Jamaica was third in 43.31.

For the Red it was Lauryn WIlliams, Miki Barber, Lisa Barber and Felix. Williams, Felix and Miki Barber all ran on the team that won gold at last summer’s world championship. Williams, Felix and Lisa Barber won this event at Penn last year.

The USA Blue’s line-up: Muna Lee, Torri Edwards, Carmelita Jeter, Richards.

Full results are posted here.