| Rank | Time | Avg 100 yd Split Time | # Swimrs | Age Group | Club | Swimmers |
|---|
| 1 | 37:35.69 | 01:02.65 | 2 | 25+ | MOST | Erica Kao, Stephen Nicols |
| 2 | 38:55.23 | 01:04.86 | 4 | 55+ | OREG | Colette Crabbe, Robert Voll, David Hathaway, Arlene Delmage |
| 3 | 39:30.50 | 01:05.84 | 4 | 45+ | MINN | Peggy Kratz, Wendy Peterson, Steve Gruenwald, Sean Bateman |
| 4 | 40:02.67 | 01:06.74 | 4 | 45+ | OREG | Mark Frost, Toni Hecksel, Bill Sumerfield, Kathleen Collins |
| 5 | 41:15.70 | 01:08.76 | 4 | 45+ | NCMS | Meredith Moore, Jennifer Kerestes, Tom Brekovsky, Bill Mccormick |
| 6 | 41:26.15 | 01:09.05 | 4 | 18+ | OREG | Anna Daggett, Tim Cespedes, Rachel Tsu hyde, Brian Parrott |
| 7 | 42:07.66 | 01:10.21 | 2 | 35+ | NCMS | Stephen Brown, Elizabeth Kalka |
| 8 | 46:11.59 | 01:16.98 | 4 | 35+ | OREG | Chris Loberg, Amy Taylor, Kathleen Bedford, Tim Cespedes |
| 9 | 46:43.97 | 01:17.88 | 4 | 45+ | OREG | Michael Kelber, Mirjana Prather, Larry Philbrick, Cheryl Cooper |
| 10 | 48:07.00 | 01:20.19 | 4 | 55+ | OREG | Susan Albright, Jeanne Teisher, Mark Becker, Jim Teisher |
| 11 | 48:34.11 | 01:20.94 | 4 | 35+ | LOCO | Linda Bamber, Susan Korsedal, Graham Somerall, Clyde Johnson |
| 12 | 51:44.60 | 01:26.24 | 4 | 65+ | OREG | Sandi Rousseau, Lynne Pendleton, Mike Pendleton, Michael Stephenson |
| 13 | 51:46.00 | 01:26.27 | 4 | 65+ | ARIZ | Marianne Erickson, Bruce Morgan, Judy Sears, Marshall Kane |
| 14 | 53:47.12 | 01:29.64 | 4 | 35+ | OREG | Laura Lirette, Michelle Boisvert, Bryan Voss, Dean Westberry |
| 15 | 54:18.00 | 01:30.50 | 4 | 35+ | OREG | Robin Bragg, Doug Hancock, Shelly Jones, Caryl Schiavon |
| 16 | 01:12:34.50 | 02:00.95 | 4 | 65+ | MOST | Carlton Sundbeck, Gail Marsch, Louis Raiborn, Nancy Wood |