| Name | Country | Swim | Bike | Run | Finish | Div. Rank | Overall Rank |
|---|---|---|---|---|---|---|---|
| Ignaffo, Michael | USA | 01:08:13 | 05:58:21 | 06:08:07 | 13:23:20 | 92 | 740 |
| IIzuka, Jin | JPN | 01:31:33 | 08:07:45 | 06:24:25 | 16:26:09 | 200 | 1468 |
| IIzuka, Michi | JPN | 01:25:10 | 00:00:00 | 00:00:00 | 00:00:00 | -- | -- |
| Irby, Della | USA | 01:28:28 | 06:00:27 | 00:00:00 | 00:00:00 | -- | -- |
| Irlbeck, Jonathan T. | USA | 01:20:43 | 06:45:18 | 05:48:49 | 14:10:56 | 204 | 986 |
| Ivinskas, Gary A. | USA | 01:02:57 | 06:16:32 | 05:53:05 | 13:25:02 | 61 | 747 |
| Ivinskas, Jenifer S. | USA | 01:11:11 | 06:52:47 | 06:16:21 | 14:36:07 | 32 | 1101 |
| Iwasaki, Sean | USA | 01:25:18 | 07:32:26 | 05:11:11 | 14:29:22 | 146 | 1068 |