| 11. | The race requires different on-course strategies than long-distance mushing.
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| 12. | "It's called mushing ."
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| 13. | Tresino, 45, has been mushing since 1976.
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| 14. | It is a real tragedy for him and dog mushing as a whole,
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| 15. | Martin Buser began mushing at age seventeen in Switzerland.
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| 16. | But organizers praise the race for helping to popularize the sport of dog mushing.
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| 17. | Mary said that mushing affects her school life by helping her develop work habits.
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| 18. | The Dubits got their first sled dog and began mushing about six years ago.
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| 19. | Before retiring from competitive mushing, Massay finished 10th and 18th in the race.
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| 20. | Sixty-eight teams began the mushing marathon from Anchorage to Nome on Sunday.
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