Littleton, CO
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 1988 | Scott Demaree | M 30-39 | 5:49:49 |
| 2 | 1988 | Mark Lisak | M 30-39 | 6:17:42 |
| 3 | 1988 | Don Starbuck | M 40-49 | 6:45:02 |
| 4 | 1988 | Steve Maloney | M 40-49 | 7:12:14 |
| 5 | 1988 | Gordon Hardman | M 30-39 | 7:16:56 |
| 6 | 1988 | Henrietta Yarbrough | F | 7:19:37 |
| 7 | 1988 | Robert Julich | M | 7:35:59 |
| 8 | 1988 | Arthur Schwartz | M 40-49 | 7:37:24 |
| 9 | 1988 | Gene Schuman | M 40-49 | 7:43:00 |
| 10 | 1988 | Scott Weber | M 30-39 | 7:45:58 |
| 11 | 1988 | Marc Bergman | M 30-39 | 7:55:40 |
| 12 | 1988 | Charlie Kauffman | M 20-29 | 7:58:50 |
| 13 | 1988 | Jim Abt | M 40-49 | 8:03:00 |
| 14 | 1988 | Barry Mink | M 40-49 | 8:05:51 |
| 15 | 1988 | Dennis Werth | M 40-49 | 8:09:24 |
| 16 | 1988 | Albert Binder | M 40-49 | 8:11:10 |
| 17 | 1988 | Wayne Christopherson | M 40-49 | 8:16:33 |
| 18 | 1988 | Julie Ann Wyns | F 30-39 | 8:16:33 |
| 19 | 1988 | John Shaw | M 40-49 | 8:24:32 |
| 20 | 1988 | Craig Remner | M 30-39 | 8:35:02 |
| 21 | 1988 | Alfred Kroeger | M 20-29 | 8:43:26 |
| 22 | 1988 | Wayne Bowen | M 40-49 | 8:46:49 |
| 23 | 1988 | Gordon Gildroy | M 40-49 | 8:48:07 |
| 24 | 1988 | Marshall Ulrich | M 30-39 | 8:50:24 |
| 25 | 1988 | Ray Franks | M 50-59 | 8:55:15 |
| 26 | 1988 | Steven Krull | M 30-39 | 9:02:10 |
| 27 | 1988 | Don Krueger | M 30-39 | 9:07:36 |
| 28 | 1988 | Mel Edington | M | 9:25:21 |
| 29 | 1988 | Harley Look | M | 9:26:27 |
| 30 | 1988 | William Eldridge | M 50-59 | 9:50:24 |
| 31 | 1988 | Marvin Skagerberg | M 50-59 | 9:50:24 |
| 32 | 1988 | Liz Norris | F 30-39 | 9:56:30 |
| 33 | 1988 | Essie Garret | F | 10:18:32 |
| 34 | 1988 | Mike Curry | M 40-49 | 10:32:54 |
