Bishop Diego sophomore Tierney Clark turned in a stellar showing at the Tri-Valley League swim prelims at the Ventura Aquatic Center on Wednesday.

Clark took home first place in both the 50 freestyle and the 100 freestyle with times of 25.86 seconds and 57.29 seconds, respectively.

She will look to remain atop the leaderboard at the Tri-Valley League finals on Friday.

Noozhawk sports editor Diego Sandoval can be reached at dsandoval@noozhawk.com. Follow Noozhawk Sports on Twitter and Instagram @NoozhawkSports