6th Annual Duke Kahanamoku Race
August 26, 1973, Kailua Beach Park to Hawaiian Village Beach, 23 miles
OCC Men, 4th Place, 3:33 (Milton Beamer, Dale Hope, Doug Straehley, John Crocker, Mike Mason, Jody D’Enbeau, Tuck Siegfried, Marshall Rosa and Bill Mowat)
OCC Junior Boys, 8th Place, 3:43:09 (Jim Bugbee, Bill Foytich, Karl Heyer IV, Rick Lemke, Tom Henke, Kainoa Downing, Robby Muller, Scott Rolles, Fred Hemmings Jr.)
2nd Annual Queen Liliuokalani Race
September 2, 1973, Kona to Honaunau, 24 miles
OCC Men, 2nd Place Koa, 2:17.5, Kakina (Marshall Rosa, Milton Beamer, Tom Conner, Tuck Siegfried, Jody D’ Enbeau, Brant Ackerman, Doug Bechert, Henry Ayau, Bill Mowat)
OCC Men, 1st Place Glass, 2:21:46 (Barry Hall, Mike Mason, Tony Crabb, Kimo Austin, Bill Burso, Don Mailer, Fred Hemmings Jr., Kimo Hugo, Bob Turran)
Hei Hei Hoe Ikaika Canoe Racing
September 16, 1973, Kahana Bay to Kailua Bay, 19.1 miles
OCC Men, 6th Place, Hoe ‘ao’ao hemo division, 3:29:39
OCC Men, 3rd Place, Heo ‘ao’ao akau division, 3:28:16
Molokai to Oahu Race
Kaunakakai to Sans Souci, 53.3 miles
OCC Men, 4th Place Overall, 4th Place Koa, Kakina (Brant Ackerman, Henry Ayau, Milton Beamer, Doug Bechert, Mike Clifford, Tom Conner, Jody D’Enbeau, Tim Guard, Kimo Hugo,
Bill Mowat, Marshall Rosa)