Is it normal that my 90pound lab can pull 500 pounds on the sled

My dog Libby(liberty) loves to pull sleds like in the iditorod.

Normaly I let her and her brother Indy(independence) just pull me,but my cousins came over and they,all 7 of them,or about 500 pounds got on the sled with just her pulling,and she did well,Is it normal?

Voting Results
55% Normal
Based on 29 votes (16 yes)
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Comments ( 2 )
  • geek_god_101

    That's awesome! What a dog.

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  • she must just be a strong dog. but it is normal

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