Castro Valley, California - 11 October 2003
148 starters. 90% finishing rate.
*Asterisk denotes non-Tamalpan
**Double asterisk denotes Tamalpan racing for another team
| Place | Time | First | Last | Age |
| 1 | 6:52:39 | Dennis | Rinde | 44* |
| 2 | 7:24:38 | Pete | Hendrickson | 29* |
| 3 | 7:31:42 | Kevin | Sawchuk | 38* |
| 4 | 7:50:18 | Frank | Bozanich | 59 |
| 5 | 7:54:10 | Zachary | Grossman | 26* |
| 7 | 8:02:03 | Philip | Sanderson | 35** |
| 10 | 8:14:31 | Gary | Wang | 35 |
| 12 (1F) | 8:19:56 | Diana | Fitzpatrick | 45** |
| 15 (2F) | 8:26:31 | Rena | Schumann | 42* |
| 21 (3F) | 8:34:05 | Suzanna | Bon | 39* |
| 23 (4F) | 8:42:31 | Celeste | Langan | 46* |
| 26 (5F) | 8:50:03 | Florencia | Gascon-Amyx | 39 |
| 54 | 9:52:22 | Will | Aarsheim | 34 |
| 77 | 10:25:56 | Carey | Ritola | 36 |
