| 1 | Verschueren Siebe | 2004 | BEL Brabo Zwemclub Antwerpen | 01'03''81 | 536 |  |  | |
50m 31.13 (31.13) 100m 1:03.81 (32.68) [1:03.81] |
| 2 | Tripier Yann | 2004 | BEL Royal Dauphins Mouscronnois | 01'04''21 | 526 | | | |
50m 31.08 (31.08) 100m 1:04.21 (33.13) [1:04.21] |
| 3 | Claeys Oscar | 2004 | BEL Mega | 01'05''11 | 505 | | | |
50m 32.16 (32.16) 100m 1:05.11 (32.95) [1:05.11] |
| 4 | Carauch Yasin | 2004 | BEL Brabo Zwemclub Antwerpen | 01'05''72 | 491 | | | |
50m 32.20 (32.20) 100m 1:05.72 (33.52) [1:05.72] |
| 5 | Warnon Kervens | 2004 | BEL Swimming Club Zaventem | 01'05''91 | 486 | | | |
50m 32.14 (32.14) 100m 1:05.91 (33.77) [1:05.91] |
| 6 | Bertuzzi Valentin | 2004 | BEL Herstal Natation | 01'06''15 | 481 | | | |
50m 31.38 (31.38) 100m 1:06.15 (34.77) [1:06.15] |
| 7 | Mabbe Elian | 2004 | BEL Ursus Zwemklub Zwevegem | 01'06''16 | 481 | | | |
50m 32.44 (32.44) 100m 1:06.16 (33.72) [1:06.16] |
| 8 | Tanghe Kasper | 2004 | BEL Brabo Zwemclub Antwerpen | 01'06''34 | 477 | | | |
50m 32.27 (32.27) 100m 1:06.34 (34.07) [1:06.34] |
| 9 | Vandycke Lennert | 2004 | BEL Royal Ostend Swimming Club | 01'06''97 | 464 | | | |
50m 33.18 (33.18) 100m 1:06.97 (33.79) [1:06.97] |
| 10 | Tamigneaux Arthur | 2004 | BEL Perron | 01'07''36 | 456 | | | |
50m 32.20 (32.20) 100m 1:07.36 (35.16) [1:07.36] |
| 11 | Bertrand Adrien | 2004 | BEL Royal Castor Club Mons | 01'07''65 | 450 | | | |
50m 32.52 (32.52) 100m 1:07.65 (35.13) [1:07.65] |
| 12 | Gursen Melih | 2004 | BEL Waterloo Natation | 01'07''74 | 448 | | | |
50m 33.09 (33.09) 100m 1:07.74 (34.65) [1:07.74] |
| 13 | Lysen Cyril | 2004 | BEL Espadon Leuze Natation | 01'07''90 | 445 | | | |
50m 32.80 (32.80) 100m 1:07.90 (35.10) [1:07.90] |
| 14 | Panagiotidis Alexandre | 2004 | BEL Waterloo Natation | 01'08''15 | 440 | | | |
50m 33.09 (33.09) 100m 1:08.15 (35.06) [1:08.15] |
| 15 | Verbeek Sem | 2004 | BEL Shark Zwemclub | 01'08''53 | 433 | | | |
50m 32.52 (32.52) 100m 1:08.53 (36.01) [1:08.53] |
| 16 | Van Wanroij Sebastian | 2004 | BEL Swimming Club Rixensart | 01'08''70 | 429 | | | |
50m 33.09 (33.09) 100m 1:08.70 (35.61) [1:08.70] |
| 17 | Vannieuwenhuyze Arthur | 2004 | BEL Ieper Swimming | 01'08''71 | 429 | | | |
50m 33.34 (33.34) 100m 1:08.71 (35.37) [1:08.71] |
| 18 | Hubaut Theo | 2004 | BEL Club Natation Les Marsouins Asb | 01'08''93 | 425 | | | |
50m 33.58 (33.58) 100m 1:08.93 (35.35) [1:08.93] |
| 19 | Vervloet Ruwen | 2004 | BEL Brabo Zwemclub Antwerpen | 01'09''34 | 418 | | | |
50m 33.09 (33.09) 100m 1:09.34 (36.25) [1:09.34] |
| 20 | Van De Walle Robbe | 2004 | BEL Swimming Team Aalter | 01'09''65 | 412 | | | |
50m 33.33 (33.33) 100m 1:09.65 (36.32) [1:09.65] |
| 21 | Hollevoet Quinten | 2004 | BEL Temse Schelde Zwemmers | 01'10''03 | 405 | | | |
50m 34.40 (34.40) 100m 1:10.03 (35.63) [1:10.03] |
| 22 | Caucheteur Yann | 2004 | BEL Liege Mosan Natation | 01'10''05 | 405 | | | |
50m 33.31 (33.31) 100m 1:10.05 (36.74) [1:10.05] |
| 23 | Kenis Joren | 2004 | BEL Zwemclub Geel | 01'10''21 | 402 | | | |
50m 33.50 (33.50) 100m 1:10.21 (36.71) [1:10.21] |
| 24 | Van Cleven Kobe | 2004 | BEL Koninklijke Brugse Zwem Reddingskring | 01'10''38 | 399 | | | |
50m 33.64 (33.64) 100m 1:10.38 (36.74) [1:10.38] |
| 25 | Taillieu Yann | 2004 | BEL Swimming Team Aalter | 01'10''93 | 390 | | | |
50m 33.98 (33.98) 100m 1:10.93 (36.95) [1:10.93] |
| 26 | Dekimpe Dries | 2004 | BEL Swimming Team Tienen | 01'11''93 | 374 | | | |
50m 34.37 (34.37) 100m 1:11.93 (37.56) [1:11.93] |
| 27 | Renard Enzo | 2004 | BEL Cercle Royal De Natation Arlonais | 01'12''62 | 363 | | | |
50m 35.19 (35.19) 100m 1:12.62 (37.43) [1:12.62] |
