Reindeer didn't fly but displayed impressive speed at a racecourse in Surrey, England, and a spokeswoman called the first reindeer derby a "roaring success."
The reindeer -- named, of course, for Santa's helpers -- raced Friday night at Kempton Park Racecourse as part of the Winter Festival, sponsored by off-track betting company William Hill, the Daily Mail reported.
Dasher crossed the finish line first and took the prize -- a trophy filled with carrots.
Bettors placed wagers and cheered on their favorite reindeer.
"This has proved a roaring success with punters across the land as the festive season continues," said Kate Miller, a spokeswoman for William Hill. "December can be an inclement month weather-wise, with many race meetings lost to the elements. Reindeer racing could prove a lifeline for race-starved punters in the future."
Father Christmas served as official race starter, while a team of elves cheered.
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