Date of Birth: 
About Liina Luik
- Liina Luik (born 14 October 1985) is an Estonian long-distance runner.
- She competed in the marathon at the 2015 World Championships in Athletics in Beijing, China.She is one of an identical triplet, sister of Lily and Leila.
- All three qualified to participate in the marathon event representing Estonia at the 2016 Summer Olympics in Rio de Janeiro.
- The triplets were professional dancers before Liina brought them to running.
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