- Team USA Sweeps Men's And Women's 4x100 Titles At World Relay Champs The US men ran a world leading 37.40 to beat Canada (37.89). The US women broke the 10-year-old championship record with 41.85 to win by almost a second over France. Jamaica won the loser's bracket to secure Olympic qualification after not making the final on day one.
- Botswana Men Take World Relays 4x400 Title After USA DQ'd On Day One; US Wins Women's And Mixed Races 20 minutes after running a 4x100 leg, Gabby Thomas doubled back with a 49.57 split to help the US dominated in 3:21.70, 3-seconds ahead of Poland. Botswana ran a world-leading 2:59.11 to win the men's race while the US won their loser's bracket heat to secure Olympic qualification. In the mixed race, the US won in 3:10.73 ahead of the Femkele Bol-lead Netherlands (3:11.45). Ireland finished third (3:11.53) after Rhasidat Adeleke ran a 48.45 split (the fastest split ever recorded at the World Relays).