| 1 | Vancraeynest Bas | 2012 | BEL Royal Ostend Swimming Club | 02'48''44 | 363 |  |  | |
50m 41.80 (41.80) 100m 1:22.59 (40.79) [1:22.59] 200m 2:48.44 [1:25.85] |
| 2 | Vincent Rune | 2012 | BEL Ieper Swimming | 03'04''72 | 275 | | | |
50m 42.50 (42.50) 100m 1:30.50 (48.00) [1:30.50] 200m 3:04.72 [1:34.22] |
| 3 | Callewaert Eben | 2012 | BEL Koninklijke Brugse Zwem Reddingskring | 03'06''86 | 265 | | | |
50m 42.31 (42.31) 100m 1:29.56 (47.25) [1:29.56] 200m 3:06.86 [1:37.30] |
| 4 | Berville Brice | 2012 | BEL Ieper Swimming | 03'10''53 | 250 | | | |
50m 44.46 (44.46) 100m 1:33.76 (49.30) [1:33.76] 200m 3:10.53 [1:36.77] |
| 5 | Houthoofd Thibaud | 2012 | BEL Roeselaarse Zwemvereniging | 03'14''66 | 235 | | | |
50m 45.36 (45.36) 100m 3:14.66 (2:29.30) [3:14.66] |
| 6 | Beheyt Mathis | 2012 | BEL Ieper Swimming | 03'15''42 | 232 | | | |
50m 44.31 (44.31) 100m 1:34.52 (50.21) [1:34.52] 200m 3:15.42 [1:40.90] |
| 7 | Syryn Jasper | 2012 | BEL Dmi | 03'20''66 | 214 | | | |
50m 45.87 (45.87) 100m 1:38.09 (52.22) [1:38.09] 200m 3:20.66 [1:42.57] |
| 8 | Staelen Quinten | 2012 | BEL Zwemvereniging Bruinvissen Diksmuide | 03'21''04 | 213 | | | |
50m 45.50 (45.50) 100m 1:37.31 (51.81) [1:37.31] 200m 3:21.04 [1:43.73] |
| 9 | De Bal Lucas | 2012 | BEL Koninklijke Kortrijkse Zwemkring | 03'23''54 | 205 | | | |
50m 47.27 (47.27) 100m 1:39.96 (52.69) [1:39.96] 200m 3:23.54 [1:43.58] |
| 10 | Verstraete Yonah | 2012 | BEL Koninklijke Kortrijkse Zwemkring | 03'25''18 | 200 | | | |
50m 44.50 (44.50) 100m 1:36.82 (52.32) [1:36.82] 200m 3:25.18 [1:48.36] |
| 11 | Olszewski Maxime | 2012 | BEL Koninklijke Kortrijkse Zwemkring | 03'25''72 | 199 | | | |
50m 45.99 (45.99) 100m 1:39.61 (53.62) [1:39.61] 200m 3:25.72 [1:46.11] |
| 12 | Van Brabant Benjamin | 2012 | BEL Zwemvereniging Bruinvissen Diksmuide | 03'25''81 | 199 | | | |
50m 46.28 (46.28) 100m 1:37.81 (51.53) [1:37.81] 200m 3:25.81 [1:48.00] |
| 13 | Victor Sam | 2012 | BEL Koninklijke Kortrijkse Zwemkring | 03'29''68 | 188 | | | |
50m 48.92 (48.92) 100m 1:42.72 (53.80) [1:42.72] 200m 3:29.68 [1:46.96] |
| 14 | Demasure Yordi | 2012 | BEL Time | 03'29''96 | 187 | | | |
50m 48.14 (48.14) 100m 1:41.57 (53.43) [1:41.57] 200m 3:29.96 [1:48.39] |
| 15 | Lavaert Clement | 2012 | BEL Koninklijke Waregemse Zwemclub | 03'33''40 | 178 | | | |
50m 47.58 (47.58) 100m 1:42.06 (54.48) [1:42.06] 200m 3:33.40 [1:51.34] |
| 16 | Landuyt Marcel | 2012 | BEL Time | 03'33''50 | 178 | | | |
50m 49.86 (49.86) 100m 1:44.16 (54.30) [1:44.16] 200m 3:33.50 [1:49.34] |
| 17 | Den Baes Arnaud | 2012 | BEL Koninklijke Brugse Zwem Reddingskring | 03'41''52 | 159 | | | |
50m 50.65 (50.65) 100m 1:47.58 (56.93) [1:47.58] 200m 3:41.52 [1:53.94] |
| 18 | Blomme Stan | 2012 | BEL Torhoutse Zwemklub Thor | 03'44''41 | 153 | | | |
50m 50.70 (50.70) 100m 1:48.31 (57.61) [1:48.31] 200m 3:44.41 [1:56.10] |
| 19 | Declercq Ian | 2012 | BEL Dmi | 03'45''90 | 150 | | | |
50m 50.36 (50.36) 100m 1:48.22 (57.86) [1:48.22] 200m 3:45.90 [1:57.68] |
| 20 | Bouckaert Lars | 2012 | BEL Time | 03'51''11 | 140 | | | |
50m 53.44 (53.44) 100m 3:51.11 (2:57.67) [3:51.11] |
| 21 | Vanden Bussche James | 2012 | BEL Dmi | 04'07''02 | 115 | | | |
50m 55.84 (55.84) 100m 2:00.07 (1:04.23) [2:00.07] 200m 4:07.02 [2:06.95] |
