There was a reason for 12.24 Wisconsin time on Friday being widely regarded as a potentially seminal moment.
Twenty-eight track and field athletes were suspended on Tuesday by the IAAF after samples from the 2005 and 2007 world championships were retested, though they did not include any British competitors.
In perhaps his biggest and dumbest boast, Floyd Mayweather has declared himself the greatest fighter of all time, ahead of Roberto Duran, Pernell Whittaker, Julio César Chávez and Muhammad Ali.
The Tour de France winner Chris Froome has confirmed he will ride in the Vuelta a España, which begins on 22 August in Puerto Banús.
The scandal over allegations of blood doping in athletics has spread to the London marathon, with claims that it has been won seven times in 12 years by runners with suspicious blood scores.
Ronda Rousey demonstrated once more this past Saturday that she is without peer in the Ultimate Fighting Championship’s bantamweight division.
The Rio mayor, Eduardo Paes, launched a feisty defence of Olympic preparations on Wednesday as the host city marked the one-year countdown to the 2016 Games with a presidential gala and a test rowing event.
Adam Peaty set a world record in winning his 50m breaststroke semi-final as he closes in on his second gold medal at the world championships in Kazan, having claimed victory over 100m 24 hours earlier.
A nine year-old bat boy has died after being hit in the head during a National Baseball Congress World Series game in Kansas on Saturday.
Boxing is a dangerous game, and David Haye is not playing it very well.
Conor McGregor has spoken at length about his “publicized civil war” with UFC in a lengthy interview with ESPN.
Jo Pavey’s ambition to become the first British female athlete to run in five Olympics faces a make-or-break test on Saturday night at the Parliament Hill athletics track, London when she competes at the UK 10,000m trials.