| code | origin | crew stroke | event |
|---|---|---|---|
| CBC | Cambridge Boat Club | Robert Lee | MM I |
| Cambridge Boat Club | |||
| COOP | Cooper Rowing Club | John Master | MM I |
| Cooper Rowing Club | |||
| CRI | Community Rowing, Inc. | Clifford Scott | MM I |
| Community Rowing, Inc. | |||
| DARC | Durham Amateur Rowing Club | Roger Stainforth | MM I |
| Durham Amateur Rowing Club | |||
| LRC | Lookout Rowing Club | John Disterdick | MM I |
| Lookout Rowing Club | |||
| RIC | RIC Amsterdam | Frans van Mierlo | MM I |
| RIC Amsterdam | |||
| Unaff. | Unaffiliated (USA) | Michael Shields | MM I |
| Unaffiliated (USA) | |||
| Unaff. | Unaffiliated (USA) | Howard Anderson | MM I |
| Unaffiliated (USA) | |||
| Unaff. | Unaffiliated (USA) | Wyatt Hume | MM I |
| Unaffiliated (USA) | |||
| withdrawn after draw | |||
| GoldCoast | Gold Coast Master Rowers | George Petelin | MM I |
| Gold Coast Master Rowers | |||