2015 World Championships in Athletics – Men's 4 × 400 metres relay

During the heats, the United States and Trinidad and Tobago showed they were teams to be reckoned with. Botswana showed immense raw talent but in severe need of coaching in the finesse of running competitive relays. Elite American high school teams like Long Beach Poly, where Bryshon Nellum attended, would have been taught how to deal with handoff traffic and Botswana should have qualified.

In the finals, the first legs between Trinidad and Tobago (Renny Quow), Great Britain (Rabah Yousif) and USA (David Verburg) were relatively close, exchanging in that order. France, Belgium and Jamaica were all close in the mix. American Tony McQuay sped around the turn before the break and got enough of a lead to shut the door on the other teams, gaining a couple of metres as they dropped back to regroup and try to pass. Lalonde Gordon was able to put T&T slightly ahead at the handoff with a gap back to Great Britain and France, with Jamaica a few steps further behind. Down the backstretch Rusheen McDonald brought Jamaica around into third. As he paid for his efforts on the home stretch, he served as a blockade for Britain and France, Kevin Borlée brought Belgium around the outside into third by the handoff. On the front, Deon Lendore, chased by Nellum stayed relatively even, with 400 finalist Machel Cedenio taking the baton ahead of 400 silver medalist LaShawn Merritt. Merritt fell in behind Cedenio to strategically prepare to give his best move, but Javon Francis brought Jamaica all the way from fifth place to sprinting past the lead duo on the backstretch. Merritt went around Cedenio and started moving in on Francis for that final move. Coming onto the home stretch, Merritt executed his best move on Francis leaving him behind while Martyn Rooney was edging up on Cedenio. Francis, paying for his early speed, began to look like slow motion while everybody else was in real time. Merritt went on to victory, Cedenio separated from Rooney and sped past Francis for silver, and just at the line, Rooney was able to dip past Francis for bronze so close it took the photo finish readers a minute to determine.[3]

Prior to the competition, the records were as follows:[4]

World record	United States (Andrew Valmon, Quincy Watts, Harry Reynolds, Michael Johnson)	2:54.29	Stuttgart, Germany	22 August 1993
Championship record
World Leading	United States (David Verburg, Tony McQuay, Jeremy Wariner, LaShawn Merritt)	2:58.43	Nassau, Bahamas	3 May 2015
African Record	Nigeria (Clement Chukwu, Jude Monye, Sunday Bada, Enefiok Udo-Obong)	2:58.68	Sydney, Australia	30 September 2000
Asian Record	Japan (Shunji Karube, Koji Ito, Jun Osakada, Shigekazu Omori)	3:00.76	Atlanta, GA, United States	3 August 1996
North, Central American and Caribbean record	United States (Andrew Valmon, Quincy Watts, Harry Reynolds, Michael Johnson)	2:54.29	Stuttgart, Germany	22 August 1993
South American Record	Brazil (Eronilde de Araújo, Cleverson da Silva, Claudinei da Silva, Sanderlei Parrela)	2:58.56	Winnipeg, Canada	30 July 1999
European Record	Great Britain (Iwan Thomas, Mark Richardson, Jamie Baulch, Roger Black)	2:56.60	Atlanta, GA, United States	3 August 1996
Oceanian record	Australia (Bruce Frayne, Gary Minihan, Rick Mitchell, Darren Clark)	2:59.70	Los Angeles, CA, United States	11 August 1984
The following records were established during the competition:
World Leading	United States (Kyle Clemons, Tony McQuay, Bryshon Nellum, Vernon Norwood)	2:58.13	Beijing, China	29 August 2015
World Leading	United States (David Verburg, Tony McQuay, Bryshon Nellum, LaShawn Merritt)	2:57.82	Beijing, China	30 August 2015

All times are local times (UTC+8)