Punters at Romford Greyhound Stadium witnessed an unusual occurrence when three dogs finished a race in a triple dead heat.
Killishan Masai, Ayamzagirl and Droopys Djokovic could not be separated in a photo finish at the Essex venue.
The result was made more amazing by the fact that it occurred after a 925m race - the longest distance in the sport.
"No-one can recall it happening before in greyhound racing," said Simon Clare, spokesman for track owners Coral.
"The odds on it happening are many millions to one. It would be like winning the national lottery and then getting struck by lightning minutes later.
"Immediately after the result was called, one of the track bookmakers rang his father, who has been betting on greyhound racing since the 1940s, and he said that he had never seen a triple dead heat before in his lifetime."
Killishan Masai (4-1) started in trap one, Ayamzagirl (4-1) raced from trap five and Droopys Djokovic (12-1) from trap two.
Officials at Romford said the owners of all three greyhounds would receive a trophy to celebrate their unique achievement.
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