Christal Ariana Clashing O'Reilly (born 8 September 1989) is an Antiguan swimmer, who specialized in sprint freestyle events.

[1] [2] As a one-time Olympian (2004), she is coached and trained by her mother Edith O'Reilly Clashing, who founded the Wadadli Aquatic Racers (WAR), an elite swim club in Antigua.

[3][4] Eight years before her sister Karin participated, Clashing qualified for the same event, 50-metre freestyle, at the 2004 Summer Olympics in Athens, as a 14-year-old swimmer from Antigua.

[5] She challenged six other swimmers in heat two, including Bahrain's Sameera Al-Bitar, who shared the same age with Clashing.

She posted a lifetime best of 31.55 to earn a fourth spot by 0.55 of a second behind joint winners Al-Bitar and Ghazal El Jobeili of Lebanon.