December Time Trial (10k No. 158)
16 December 1999
| | Org. | M/F | Total | PR | | Lap1 | Lap2 | Lap3 |
| 1 | Abdeljalil FATHI | UNOV | M | 37:23 | 35:58 | | 11:51 | 12:50 | 12:42 | |
| 2 | Peter GERSTOFT | CTBTO | M | 37:54 | 37:44 | | 11:51 | 12:51 | 13:12 | |
| 3 | Hiroyasu ITO | IAEA | M | 39:37 | 39:08 | | 12:30 | 13:39 | 13:28 | |
| 4 | Ian BLACKER | CTBTO | M | 41:14 | 41:14 | | 13:02 | 14:14 | 13:58 | |
| 5 | Christian CHABERT | UNIDO | M | 41:38 | 34:48 | | 13:10 | 14:26 | 14:02 | |
| 6 | Derek LACEY | IAEA | M | 41:40 | 42:29 | PR | 13:02 | 14:21 | 14:17 | |
| 7 | Günter WONISCH | Family | M | 42:27 | 40:46 | | 13:31 | 14:24 | 14:32 | |
| 8 | Bob WILLIAMS | UNIDO | M | 42:56 | 36:07 | | 13:36 | 14:19 | 15:01 | |
| 9 | Petr PAVLICEK | IAEA | M | 43:47 | 42:02 | | 13:37 | 15:16 | 14:54 | |
| 10 | Thomas DOLAN | IAEA | M | 44:31 | 42:57 | | 13:45 | 15:24 | 15:22 | |
| 11 | Peter B. SMITH | IAEA | M | 44:38 | 41:33 | | 13:40 | 15:29 | 15:29 | |
| 12 | Yoshio MATSUKI | IAEA | M | 46:20 | 45:56 | | 14:35 | 16:09 | 15:36 | |
| 13 | Jorge VALLEJO LUNA | IAEA | M | 46:52 | 47:15 | PR | 14:38 | 16:07 | 16:07 | |
| 14 | Thomas BLUNCK | Guest | M | 48:16 | 36:08 | | 13:54 | 16:56 | 17:26 | |
| 15 | Annie TAIT | CTBTO | F | 53:09 | 51:33 | | 16:49 | 18:15 | 18:05 | |
| 16 | Anne MEEHAN | IAEA | F | 53:35 | 48:10 | | 17:10 | 18:23 | 18:02 | |
| 17 | Marlies FORSTER | IAEA | F | 59:05 | 57:28 | | 18:28 | 20:21 | 20:16 | |
| Martin CRIJNS | IAEA | M | | 38:18 | | 14:26 | | | |
| Maria PETRAK-RAJPUT | UNIDO | F | | 59:43 | | 17:32 | | | |
| Martina KHAELSS | IAEA | F | | | | 20:25 | | | |
| Nancy WONISCH | IAEA | F | | | | 21:08 | | | |
| Monique MEOZZI | IAEA | F | | | | 23:10 | | | |