24822
There are four races held at each championships : the men 's 12 km open race , the women 's 8 km open race , a junior men 's race of 8 km and a junior women 's race of 6 km .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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