The opening semi-final was panning out as anticipated till Werro instantly stumbled and fell face first onto the monitor with just below 140m left to go.
“It was a tough hit on the ground. These tracks are extremely onerous, particularly after they’ve been sun-baked,” former Olympic lengthy soar champion Greg Rutherford stated on BBC TV.
“It actually was a tough factor to look at, and also you’re simply hoping at that time [that] there isn’t any critical harm.”
Werro seemed to be in some discomfort, rolling onto her aspect and clutching her chest earlier than getting again up and ending the race at a gradual jog.
Paula Radcliffe, a former ladies’s marathon world document holder, stated: “Athletes know if that occurs and also you go down, you need to rise up and end.
“That’s the solely standards that you will make it by way of. For those who do not do this, you don’t have any probability of being superior by way of to that closing.
“You could possibly see she was not snug.”
Nonetheless, there was appreciable confusion over whether or not Werro had tripped herself or been impeded by one other athlete.
Rutherford believed Werro had “kicked her personal leg”, whereas former males’s 1500m world champion Steve Cram stated she had “tripped herself”.
Werro herself didn’t know, telling BBC TV: “I used to be feeling nice however sadly I do not know, one thing occurred after which I used to be on the bottom.”
A more in-depth have a look at the footage confirmed that Bourgoin, who had been on Werro’s shoulder for a lot of the race, disrupted the Swiss athlete’s rhythm with a slight contact to her foot along with her left hand.
“The query is whether or not Werro is OK – it was a extremely onerous fall,” Cram stated.
“However we’re getting the ultimate we wished. That is a technique to have a look at it.”