Mo Farah suggested he is ready to call time on his track career after being beaten by club runner Ellis Cross at the Vitality London 10,000 on Monday.
Four-time Olympic champion Farah finished four seconds behind Cross, who crossed the line in a time of 28 minutes and 40 seconds.
It was the 39-year-old's first race since June 2021 when failing to qualify for the Tokyo Games.
And after finishing a minute outside his best time on the road, Farah accepted that his elite track career may be over.
"I think for sure," he said. "I'm just being honest with you guys. In terms of track that's it, I think.
"Your body has to be ready. You have to be in the right frame of mind and compete with the guys. I love the sport and what I do, I've had a long career.
"The reality is that it has been so, so long. In my career, I've never been out that long before... Today was tough and Ellis did well to beat me."
Farah went on to say he has not yet ruled out competing in this year's Commonwealth Games or European Championships, but he will not take part in July's World Championships.
The six-time world champion added: "I'm not a spring chicken any more. You just can't come back from each session.
"I've got a lot of work to get back into it and race again and be in decent shape."
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