River Islands

River Islands Riptide

Varsity Boys Basketball

25-26

Overall

17-12

League

8-0 (1st)

River Islands Basketball History

Previous Seasons All-Time Roster

2025-26(16 players)
Head Coach: Justin Graham
- Ugorji, Obinna(Fr.)
- Engaling II, John(So.)
- Reyes, Liam(Fr.)
- Radoc Factoran, Darius(Jr.)
- Gagaza, Daren(So.)
- Costales, Euan Jeice(Sr.)
- Basurto, Zachary(So.)
- Ragbotra, Arnav(Jr.)
- Umali, Janrei(Sr.)
- Elfarra, Idrees(Sr.)
- Dayeh, George(Sr.)
- Ruiz, Lucas(Jr.)
- Lall, Harmeet(Jr.)
- Mapanao, Charles(Sr.)
- Peter, Dylan(Sr.)
- Dizon, Jermuel(Sr.)
2024-25(14 players)
Head Coach: Justin Graham
- Elfarra, Idrees(Jr.)
- Dayeh, George(Jr.)
- Peter, Dylan(Jr.)
- Costales, Euan(Jr.)
- Mapanao, Charles(Jr.)
- Calvo, Keenan(So.)
- Phan, Tyronney(Jr.)
- Basurto, Zachary(Fr.)
- Dizon, Jermuel(Jr.)
- Grewal, Jaiveer(Jr.)
- Im, Matthew(So.)
- Singh, Harmeet(So.)
- Kyle, Jazen(So.)
- Radoc Factoran, Darius(So.)

River Islands High School

River Islands High School

16601 Riptide Way

Lathrop, CA 95330

Partnerships:

River Islands HS Tickets

About UsMobile AppsSubscribePrivacy PolicyTerms of useCalifornia NoticeSupport

PlayOn Family of Brands:

© 2026 MaxPreps, Inc.

MaxPreps is a registered trademark of MaxPreps, Inc.