Allyson Felix has few races left in her career, which makes her appearance at Thursday’s Diamond League stop in Rome, likely her last career race on that circuit, all the more special.

Felix, a 36-year-old in her farewell season, lines up against the reigning Olympic 100m, 200m and 400m champions in the marquee event of the meet, live on Peacock on Thursday from 2-4 p.m. ET. CNBC airs coverage Saturday from 1-3 p.m. ET. Read More