Muktar Edris of Ethiopia has broken the hold of Mo Farah on long-distance running, outkicking the Briton over the final 200 meters to win the 5,000 meters at the World Athletic Championships in London. This was the first time he had failed to win gold at an worldwide championships since 2011.
The 34-year-old Farah was competing in an 11th consecutive global final - 10 of which yielded gold medals - but was outsprinted by Edris in the final 200m.
But when he starts his career as a marathon runner, Farah will be able to reflect on having created an unbelievable legacy with his four Olympic and six World Championship gold medals.
Having won gold in the 10,000m Farah was the favourite to take the 5,000m gold as well.
He finished second in Thursday's 5,000m heat in 13 minutes 30.18 seconds, behind Ethiopia's Yomif Kejelcha.
"For me, it's not Mo Farah - and that's not to do a disservice to Mo, who is one of the greats of all time".
The 34-year-old grimaces as he crosses the line behind Edris. The British athlete could not close the gap in the final 100m
"It's been unbelievable. It's been a long journey but it's been incredible", said Farah who was embraced by his fans as he made his way around the stadium on a lap of honour, stopping to sign autographs and pose for "selfies".
"I was highly prepared for this race and I knew I was going to beat Mo Farah", said Edris, who won in a time of 13 minutes 32.79 seconds to claim his first win over the Briton in five attempts.
He said: "I thought it might be possible (to win), but my legs had it. It's not an excuse, but it took a lot more out of me than I realised". "I did the Mobot out of respect as well for him".
"The better man won on the day but I gave it all. I got boxed-in early on - it doesn't normally happen - and couldn't get out".
Meanwhile, Katarina Johnson-Thompson and Morgan Lake finished fifth and sixth respectively in the women's high jump.
"One of them was going to sacrifice themselves and that's what they did tonight".