Race over two days the 13-boat fleet drew entries from five different clubs but no one could match the speed of Norwood and Cleary.
Second overall went to Howth Yacht Club's Tom O'Neill and Adam Walsh. Blessington Sailing Club visitors Lily Thorup and Sibeal Nic Giolla were third overall.
In one of his first roles as RIYC Commodore, Joe Costello presented the overall prizes.
Top five overall:
1 Tim Norwood and Finn Cleary
2 Tom O'Neill and Adam Walsh
3 Lily Thorup and Sibeal Nic Giolla
4 Elysia O'Leary Lily Dwyer RSGYC
5 Christopher Evans Garrett Harry Shackleton