| Name | Country | Swim | Bike | Run | Finish | Div. Rank | Overall Rank |
|---|---|---|---|---|---|---|---|
| UNDA TRIVI?O, HUGO | ECU | 01:24:10 | 06:35:24 | 05:46:30 | 13:59:53 | 329 | 1750 |
| UNDERKOFFLER, SCOTT | USA | 01:44:30 | 08:26:15 | 00:00:00 | 00:00:00 | 247 | 2213 |
| UNDERWOOD, SIMON | GBR | 01:09:41 | 05:15:25 | 04:36:27 | 11:10:38 | 118 | 540 |
| UNGARO, MICHAEL | USA | 01:21:59 | 05:13:26 | 04:23:47 | 11:07:59 | 11 | 525 |
| URBAS, PAMELA | USA | 00:00:00 | 00:00:00 | 00:00:00 | 00:00:00 | -- | -- |
| URBINA, RICARDO | USA | 01:09:05 | 05:20:39 | 04:04:32 | 10:40:09 | 28 | 344 |
| URI, JONATHAN | USA | 01:17:33 | 06:46:12 | 06:20:11 | 14:42:28 | 324 | 1935 |
| URSINO, ROCKY | USA | 01:10:17 | 05:21:16 | 04:06:34 | 10:46:53 | 90 | 393 |
| URSO, THOMAS | USA | 00:00:00 | 00:00:00 | 00:00:00 | 00:00:00 | -- | -- |