| Jahr | Golfplatz | Gewinner | Ergebnis | Die Info |
|---|
| 1972 | Portland Golfclub | Kathy Whitworth | 212 | –7 | |
| 1973 | Portland Golfclub | Kathy Whitworth | 144 | –2 | 36 Löcher (Regenwetter) |
| 1974 | Columbia Edgewater Country Club | JoAnne Carner | 211 | –5 | |
| 1975 | Portland Golfclub | Jo Ann Washam | 215 | –1 | |
| 1976 | Portland Golfclub | Donna Caponicpo | 217 | –2 | |
| Inoffizielles Teamevent (1977-1982) |
|---|
| 1977 | Columbia Edgewater Country Club | JoAnne Carner & Judy Rankinpo | 202 | –17 | |
| 1978 | Columbia Edgewater Country Club | Donna Caponic & Kathy Whitworthpo | 203 | –16 | |
| 1979 | Portland Golfclub | Nancy Lopez & Jo Ann Washam | 198 | –21 | |
| 1980 | Riverside Golf & Country Club | Donna Caponic & Kathy Whitworth | 195 | –24 | |
| 1981 | Riverside Golf & Country Club | Donna Caponic & Kathy Whitworthpo | 203 | –16 | |
| 1982 | Columbia Edgewater Country Club | Sandra Haynie & Kathy McMullen | 196 | –20 | |
|
| 1983 | Columbia Edgewater Country Club | JoAnne Carnerpo | 212 | –4 | |
| 1984 | Riverside Golf & Country Club | Amy Alcott | 212 | –4 | |
| 1985 | Riverside Golf & Country Club | Nancy Lopezpo | 215 | –1 | |
| 1986 | Columbia Edgewater Country Club | Ayako Okamoto | 207 | –9 | |
| 1987 | Columbia Edgewater Country Club | Nancy Lopez | 210 | –6 | |
| 1988 | Columbia Edgewater Country Club | Betsy König | 213 | –3 | |
| 1989 | Riverside G. & Country Club | Muffin Spencer-Devlin | 214 | –2 | |
| 1990 | Columbia Edgewater Country Club | Patty Sheehan | 208 | –8 | |
| 1991 | Columbia Edgewater Country Club | Michelle Estill | 208 | –8 | |
| 1992 | Columbia Edgewater Country Club | Nancy Lopezpo | 209 | –7 | |
| 1993 | Columbia Edgewater Country Club | Donna Andrews | 208 | –8 | |
| 1994 | Columbia Edgewater Country Club | Mission McGeorge | 207 | –9 | |
| 1995 | Columbia Edgewater Country Club | Alison Nicholas | 207 | –9 | |
| 1996 | Columbia Edgewater Country Club | Dottie Pfeffer | 202 | –14 | |
| 1997 | Columbia Edgewater Country Club | Christa Johnson | 206 | –10 | |
| 1998 | Columbia Edgewater Country Club | Danielle Ammaccapane | 204 | –12 | |
| 1999 | Columbia Edgewater Country Club | Juli Inkster | 207 | –9 | |
| 2000 | Columbia Edgewater Country Club | Mi Hyun Kimpo | 215 | –1 | |
| 2001 | Turnier abgesagt wegen Anschläge vom 11. September 2001 |
| 2002 | Columbia Edgewater Country Club | Annika Sörenstam | 199 | –17 | |
| 2003 | Columbia Edgewater Country Club | Annika Sörenstam | 201 | –15 | |
| 2004 | Columbia Edgewater Country Club | Han Hee-wonpo | 207 | –9 | |
| 2005 | Columbia Edgewater Country Club | Kang Soo-yun | 201 | –15 | |
| 2006 | Columbia Edgewater Country Club | Pat Hurst | 206 | –10 | |
| 2007 | Columbia Edgewater Country Club | Lorena Ochoa | 204 | –12 | |
| 2008 | Columbia Edgewater Country Club | Cristie Kerrpo | 203 | –13 | |
| 2009 | Pumpkin Ridge Golfclub | Hur Mi-jungpo | 203 | –13 | Das Play-off von gewonnen Suzann Pettersen und Michele Redman |
| 2010 | Pumpkin Ridge Golfclub | Ai Miyazato | 205 | –11 | |
| 2011 | Pumpkin Ridge Golfclub | Suzann Pettersenpo | 207 | –6 | |
| 2012 | Pumpkin Ridge Golfclub | Mika Miyazato | 203 | –13 | |
| 2013 | Columbia Edgewater Country Club | Suzann Pettersen | 268 | –20 | Ausgebaut zu einem 72-Loch-Event |
| 2014 | Columbia Edgewater Country Club | Austin Ernstpo | 274 | –14 | Das Play-off von gewonnen In-kyung Kim |