The 1990 ITU Triathlon World Championships were held in Orlando, United States on September 15, 1990.
Results
Professional Men's
| Rank | Name | Swim | Bike | Run | Time |
|---|---|---|---|---|---|
 |
 Greg Welch (AUS) |
20:21 | 56:19 | 32:39 | 01:51:36 |
 |
Brad Beven (AUS) |
18:56 | 57:36 | 33:54 | 01:52:40 |
 |
Stephen Foster (AUS) |
20:18 | 56:17 | 33:43 | 01:52:46 |
| 4 |  Luc Van Lierde (BEL) |
20:26 | 56:17 | 33:57 | 01:53:01 |
| 5 |  Rob Barel (NED) |
20:25 | 56:19 | 34:15 | 01:53:11 |
| 6 |  Rob Mackle (USA) |
18:53 | 55:34 | 36:55 | 01:53:37 |
| 7 |  Simon Lessing (GBR) |
19:28 | 56:55 | 34:36 | 01:53:49 |
| 8 |  Danilo Palmucci (ITA) |
20:57 | 55:48 | 34:43 | 01:53:52 |
| 9 |  Nick Taylor (CAN) |
20:57 | 55:57 | 34:52 | 01:53:56 |
| 10 |  Rick Wells (NZL) |
18:52 | 57:54 | 35:20 | 01:54:20 |
| 11 |  Carlos Santamaria (ESP) |
21:04 | 56:55 | 33:42 | 01:54:34 |
| 12 |  Philippe Methlon (FRA) |
21:04 | 55:09 | 36:08 | 01:54:43 |
| 13 | Patrick Girard (FRA) |
22:28 | 55:51 | 34:08 | 01:54:57 |
| 14 | Vincent Jay (FRA) |
20:16 | 56:19 | 36:07 | 01:55:12 |
| 15 | Eduardo Burguete (ESP) |
20:07 | 58:13 | 34:20 | 01:55:16 |
| 16 |  Andreas Claus (GDR) |
20:29 | 55:59 | 36:13 | 01:55:35 |
| 17 | Pim van den Bos (NED) |
22:44 | 55:44 | 34:54 | 01:55:35 |
| 18 | Jos Everts (NED) |
21:06 | 57:20 | 34:56 | 01:55:48 |
| 19 | Karel Blondeel (BEL) |
20:59 | 56:30 | 37:23 | 01:56:31 |
| 20 | Erwin de Bruijn (NED) |
20:06 | 56:31 | 37:30 | 01:56:45 |
| 21 | Marizio De Benedetti (ITA) |
20:33 | 56:00 | 38:00 | 01:57:13 |
Professional Women's
| Rank | Name | Swim | Bike | Run | Time |
|---|---|---|---|---|---|
|
Karen Smyers (USA) |
22:03 | 01:02:27 | 36:37 | 02:03:32 |
|
Carol Montgomery (CAN) |
22:01 | 01:02:32 | 36:36 | 02:03:46 |
|
Joy Hansen (AUS) |
21:55 | 01:02:46 | 36:42 | 02:03:49 |
| 4 | Erin Baker (NZL) |
21:58 | 01:01:33 | 38:37 | 02:04:30 |
| 5 | Colleen Cannon (USA) |
21:59 | 01:02:34 | 39:04 | 02:05:59 |
| 6 | Laurie Samuelson (USA) |
21:50 | 01:02:46 | 39:17 | 02:06:26 |
| 7 | Katie Webb (USA) |
22:05 | 01:02:36 | 40:33 0 | 2:07:48 |
| 8 | Terri Smith-Ross (CAN) |
23:04 | 01:03:27 | 39:09 | 02:08:15 |
| 9 | Liz Hepple (AUS) |
22:48 | 01:03:45 | 39:40 | 02:08:45 |
| 10 | Kendall Morrison (CAN) |
24:49 | 01:02:28 | 39:37 | 02:09:13 |
| 11 | Thea Sijbesma (NED) |
22:15 | 01:04:12 | 40:16 | 02:09:19 |
| 12 |  Simone Mortier (FRG) |
23:07 | 01:03:21 | 41:35 | 02:10:33 |
| 13 | Sylvie Muguet (FRA) |
22:02 | 01:04:33 | 41:58 | 02:11:11 |
| 14 | Mandy Dean (GBR) |
21:36 | 01:04:48 | 42:13 | 02:11:29 |
| 15 | Sonja Krolik (FRG) |
24:01 | 01:05:04 | 40:03 | 02:11:31 |
| 16 | Ute Schäfer (FRG) |
24:43 | 01:04:02 | 41:33 | 02:12:45 |
| 17 | Isabelle Mouthon-Michellys (FRA) |
22:46 | 01:03:41 | 43:47 | 02:12:53 |
| 18 | Jeannine De Ruysscher (BEL) |
22:37 | 01:03:40 | 43:27 | 02:09:17 |