| 11. | The first documented 400 m hurdles race for women took place in 1971.
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| 12. | Her first hurdle races were run over the hedges of neighbors.
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| 13. | Hurdle races are commonly run at distances of 2 3 miles.
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| 14. | People were climbing over the sawhorses _ it looked like a senior citizens'hurdles race.
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| 15. | She has not lost in 11 hurdles races this year.
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| 16. | He set world records in both flat and hurdle races.
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| 17. | As a senior, he won the International Prep and Golden West low hurdle races.
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| 18. | Meanwhile, the terriers have their own hurdle races and steeplechase.
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| 19. | Saturday, he had run the fourth-fastest hurdles race ever in 12 . 94 seconds.
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| 20. | Poet Prince ran well in hurdle races in the early part of the next season.
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