Klerianne Etanislao Casi

Klerianne Etanislao Casi is a Puerto Rico sprinter, born on November 8, 1996. He competes primarily in the 400m, 100mH and 400mH.

His personal bests include 60.39 in the 400m, 14.68 in the 100mH, 58.58 in the 400mH, 46.26 in the 4x100m and 60.39 in the 400MetresS. He has earned 1 gold medal in major international competitions. He is currently active on the international athletics circuit, representing Puerto Rico.