Diarmaid MacColgain
| Country | Ireland |
| Home port | |
| Sail number | |
| Sailing club | n/a |
| Link(s) | |
Worlds results
| 1998 | Sayville, NY (USA) - Sayville Yacht Club | 96 |
Other results
| Sunfish | Mid Atlantic Regional Brigantine YC (USA) | 3 |
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Sailed with
| Weeks, Brian (USA) | 2 |
| Miller, Connie (USA) | 2 |
| Liggett, James (USA) | 2 |
| Manning, Pat (USA) | 1 |
| Dekker, Jan (NLD) | 1 |
| Christiaan, Andre (ABW) | 1 |
| Giessen, Dolf van der (CUW) | 1 |
| Gulik, Wim van der (CUW) | 1 |
| Alphen, Paul van (NLD) | 1 |
| Saunders, Richard G. (USA) | 1 |
| Greenfield, James L (USA) | 1 |
| Luca, Luigi de (ITA) | 1 |
| Einthoven, Nicky (USA) | 1 |
| Jackson, George B. (USA) | 1 |
| Davies, David (USA) | 1 |
| Furman, Joel (USA) | 1 |
| Fraker, Peter (USA) | 1 |
| Parks, Lee (USA) | 1 |
| McLaughlin jr, William L. (USA) | 1 |
| Mehl, Steve (USA) | 1 |
| Graham, David (USA) | 1 |
| Brangiforte, Bill (USA) | 1 |
| Condon, John (USA) | 1 |
| Koehler, Jim (USA) | 1 |
| Mockridge, Kenny (USA) | 1 |
| Blouin, Joe (USA) | 1 |
| Martinborough, Donald (BHS) | 1 |
| Edwards, Todd (USA) | 1 |
| Jackson, Derek (USA) | 1 |
| Aanholt, Cor van (CUW) | 1 |