Here all the Men’s 400m Heats in Beijing with 18 athletes under 45″ and 2 athletes under 44″.
Heat 1 (David Verbung, Machel Cedenio, Jonathan Borlèe)
Heat 2 (Yousef Ahmed Masrahi, Rusheen Mcdonald, Isaac Makwala)
Heat 3 (LaShawn Merritt, Javon Francis, Kevin Borlée)
Heat 4 (Kirani James, Luguelin Santos, Lalonde Gordon)
heat 5 (Rabah Yousif, Steven Gardiner, Vernon Norwood)
Heat 6 (Wayde Van Niekerk, Renny Quow, Bryshon Nellum)