Watch Grand Slam Track from Jamaica

Click on the video player above to watch live coverage of the Grand Slam Track event in Kingston, Jamaica.

Action continues on Saturday at 6 p.m. ET and features Canada's Marco Arop competing in the men's 800m.

Grand Slam Track has been billed as the "Formula One of athlete racing" by four-time Olympic gold medallist Michael Johnson, who is fronting the league.

A purse of $12.6 million U.S. is on the table at the four-event Grand Slam, which will hold races in Miami, Philadelphia and Los Angeles this year.

WATCH l Track's new pro league, Grand Slam Track, explained:

Track's new pro league, Grand Slam Track, explained