The Sharks Cup 2025 volleyball tournament officially launched on Sunday, September 28, at the San Pedro High School auditorium. In the U15 Female category, San Pedro High School (SPHS) faced New Horizon, with SPHS taking the win in straight sets, 25–20 and 25–9. Throughout the evening, seven matches were held across different categories, including U15 Female and Male, COED, Senior Female, and Senior Male. Zen Warriors claimed the first set 25–12, while RC School rallied to take the second 25–20. After Rompe Pechitos won the first set 25–20, RC School responded with back-to-back victories, 25–18 and 15–12, securing the match.