October Time Trial (10k No. 143)
8 October 1998
| | Org. | M/F | Total | PR | | Lap1 | Lap2 | Lap3 |
| 1 | Ibrahim NEKMOHAMMAD | UNOV | M | 37:27 | 38:57 | PR | 12:05 | 12:48 | 12:34 | |
| 2 | William MARVIN | UNOV | M | 37:31 | 37:30 | | 12:06 | 12:50 | 12:35 | |
| 3 | Steve BRATT | CTBTO | M | 38:18 | 38:21 | PR | 12:15 | 13:09 | 12:54 | |
| 4 | Derek LACEY | IAEA | M | 42:29 | 42:51 | PR | 13:07 | 14:47 | 14:35 | |
| 5 | Günter WONISCH | Family | M | 44:05 | 40:46 | | 13:46 | 15:06 | 15:13 | |
| 6 | Martin CRIJNS | IAEA | M | 44:09 | 38:18 | | 13:47 | 15:21 | 15:01 | |
| 7 | Peter B. SMITH | IAEA | M | 44:21 | 41:33 | | 13:42 | 15:39 | 15:00 | |
| 8 | Thomas DOLAN | IAEA | M | 44:28 | 42:57 | | 13:37 | 15:16 | 15:35 | |
| 9 | Michio HOSOYA | IAEA | M | 47:09 | 43:14 | | 14:55 | 16:22 | 15:52 | |
| Bob WILLIAMS | UNIDO | M | | 36:07 | | 12:52 | 14:22 | | |
| Adi CHVOJKA | IAEA | M | | 41:22 | | 14:10 | 16:03 | | |
| Panchi CLAURE-IBARRA | UNOV | M | | 40:54 | | 15:00 | 16:00 | | late start |
| Beng TEOH | UNOV | M | | 45:11 | | 16:20 | 17:48 | | |
| Jorge VALLEJO LUNA | IAEA | M | | | | 15:13 | | | |
| David OTWOMA | IAEA | M | | | | 15:59 | | | |