Teen swimmer Mizuki Hirai reached the final of the women's 100-meter butterfly at the Paris Olympics on Saturday, but Rikako Ikee could not match her compatriot and was eliminated in their semifinal.Hirai and Ikee looked to be on the way to the final after the first 50 meters at Paris La Defense Arena, with the 17-year-old Hirai turning second behind American Gretchen Walsh and Ikee third. Both Japanese fell back from the world record holder down the stretch, though, with Hirai slipping to third and Ikee to sixth.Walsh touched in an Olympic record 55.38 seconds in the first heat, 1.42 ahead…READ FULL ARTICLE