News day / Richards, the bronze medallist in the mens 200 metres, is part of the Trinidad and Tobago mens 4×400-metre relay team who advanced to todays final at 4.15 pm the last event of the 10-day contest.
TT have been drawn in lane seven, along with France (lane two), Great Britain/Northern Ireland (lane three), United States (lane four), Poland (lane five), Spain (lane six), Cuba (lane eight) and Belgium (lane nine).
In yesterdays second of two heats, the TT quartet of Renny Quow, Richards, Machel Cedenio and Lalonde Gordon placed second in a seasons best time of two minutes 59.35 seconds.
The United States triumphed in a world-leading best of 2:59.23, with Belgium third in 2:59.47.
Rounding off the field were Great Britain/Northern Ireland (3:00.10), France (3:00.93), Brazil (3:04.02), Botswana (3:06.50) and Japan (3:07.29).
Advancing from the first heat were Spain (3:01.72), Poland (3:01.78) and Cuba (3:01.88).
The other relay teams (mens and womens 4x100m), as well as double Olympic medallist Keshorn Walcott, all flattered to deceive yesterday.
The foursome of Keston Bledman, Kyle Greaux, Moriba Morain and Emmanuel Callender were fifth in the first heat of the preliminary round in the mens 4x100m relay in a time of 38.61 seconds, trailing the United States (37.70), Great Britain/Northern Ireland (37.76), Japan (38.21) and Turkey (38.44).
And the womens quartet of Semoy Hackett, Michelle-Lee Ahye, Khalifa St Fort and Kelly- Ann Baptiste placed sixth in yesterdays final, clocking a seasons best time of 42.62. The United States copped gold in 41.82, followed by Great Britain/ Northern Ireland (42.12), Jamaica (42.19), Germany (42.36) and Switzerland (42.51).
Brazil (42.63) and Netherlands (43.07) took the bottom two spots.
Walcott finished seventh, out of 12 entrants, in the javelin final, with a best throw of 84.48 metres on his first attempt.
Germanys Johannes Vetter prevailed with a best of 89.89m (also on his first attempt), followed by the Czech Republic pair of Jakub Vadlejch (89.73) and Petr Frydrych (88.32).