"I just need to concentrate on my race and do what I do best", Farah said as he left the track.
The Jamaican has struggled for form most of this season but in Monaco ran his fastest time of the year, 9.95.
On the face of it, the onus is on an absolute novice, Christian Coleman, and two old world title-winning foes, Justin Gatlin and Yohan Blake, who have been burned far too often by Bolt already down the years.
19 - Major gold medals Bolt has won in his career, having had his 4x100m relay title from the 2008 Olympics revoked due to Nesta Carter's doping violation.
The USAF Bargain-Shopped Undelivered Jets From Russia For Air Force One
Bearing the famous designation 'Air Force One' , the planes have become well known due to their distinctive white-and-blue livery. The 747s now flown as Air Force One are 747-200s, older models that started flying presidents in the early 1990s .
De Grasse is seen as a contender to take over Bolt's throne following his retirement and was also tipped to be a candidate to spoil the party on Saturday following his 200m silver, 100m bronze and 4x100m bronze at the Rio Olympics past year.
"We are going to see some fantastic performances over the next week or so", he said of the August 4-13 championships.
The comment was seen as a reference to De Grasse, who pushed Bolt to the line in the Olympic 200m semi-finals, eliciting a finger-wag from the greatest sprinter in history. And even in the 100, his 9.94 seconds makes him the sixth-best performer this year. This year's World Championships were to be the grand finale of these two track legends as they were to go head-to-head once again before Bolt's retirement.
"It's still something that we're working on every day", said Van Niekerk, when asked whether he might shift more in the future to the 100m and 200m events that have always been Bolt's domain rather than the one-lap event.
NBL v NBA: Aussie teams to head to USA
Their second NBL season game will be on 14 Oct, which gives United a window to play against the Thunder in the United States. The Utah Jazz , who feature Aussies Joe Ingles and Dante Exum , will host the Sydney Kings on October 2.
His biggest challenger, Andre De Grasse of Canada, pulled out of the worlds because of a hamstring injury.
The women's 400m will also be hotly contested as Miller-Uibo is set to line-up alongside the multiple world and Olympic champion Allyson Felix of the U.S., whom she beat by a fraction in diving over the line at Rio 2016. "Track and field is everything and I've been doing it since I was 10 years old".
"After you have suffered an injury this week, I am saddened to announce to my supporters that I will not be able to race in London", wrote De Grasse on his official Twitter account on Wednesday night. Over time the sport will get better.
6 - Bolt's record tally of IAAF World Athlete of the Year awards.
Kevin Can Wait will kill off Erinn Hayes' character this fall
Remini, who starred alongside James from 1998 to 2006 on the King of Queens , took to Instagram at the time to celebrate the gig. The character is a wife and mom of three, and the CBS exec admitted it will not make for a "hilarious" storyline.