400m horden beloftes mannen aller tijden outdoor
400m horden (0,914m) beloftes mannen aller tijden outdoor
| 1 | 49.53 | ALAIN CUYPERS | AVT | 1989 |
| 2 | 49.64 | RIK TOMMELEIN | HAC | 1984 |
| 3 | 49.83 | JEAN-PAUL BRUWIER | RFCL | 1993 |
| 4 | 49.83 | STEF VANHAEREN | KAPE | 2014 |
| 5 | 49.90 | VINCENT VANRYCKEGHEM | LYRA | 2009 |
| 6 | 50.19 | MARC DOLLENDORF | EIF | 1988 |
| 7 | 50.29 | MICHEL ZIMMERMANN | ESC | 1981 |
| 8 | 50.48 | FILIP FAEMS | ACW | 1998 |
| 9 | 50.58 | TUUR BRAS | OEH | 2021 |
| 10 | 50.74 | MICHAEL BULTHEEL | FLAC | 2008 |
| 11 | 50.78 | ERIK HEGGEN | ATLA | 2013 |
| 12 | 50.81 | DYLAN OWUSU | RCG | 2019 |
| 13 | 51.11 | EDWIN DE WIT | AT84 | 2005 |
| 14 | 51.23 | WOUT BEX | LOOI | 2022 |
| 15 | 51.49 | DRIES VAN NIEUWENHOVE | EA | 2020 |
| 16 | 51.51 | KJELL PROVOST | HCO | 1997 |
| 17 | 51.54 | ROMAIN NICODEME | RESC | 2017 |
| 18 | 51.61 | ROBIN VAN DAMME | KAAG | 2021 |
| 19 | 51.65 | YVAN DELRUE | HCO | 1988 |
| 20 | 51.69 | FRANK ASSELMAN | ESC | 1993 |
| 21 | 51.76 | JEAN-MARIE DE SCHRIJVER | HCO | 1979 |
| 22 | 51.82 | PIETER DE SCHEPPER | ACME | 2006 |
| 23 | 51.91 | STIJN VERLEYEN | AZW | 1998 |
| 24 | 51.98 | MAARTEN RAES | HCO | 2016 |
| 25 | 51.99 | STEVEN DEBERSAQUES | STAX | 2011 |
| 26 | 52.04 | JURGEN SERVRANCKX | VAC | 1994 |
| 27 | 52.07 | JORI STROOBANTS | VITA | 2011 |
| 28 | 52.15 | MARC EYCKMANS | DCL | 1981 |
| 29 | 52.16 | DRIES PEETERS | AVKA | 2021 |
| 30 | 52.26 | PATRICK HIMSCHOOT | RCG | 1980 |
| 52.26 | JASPER DE VOOGHT | AVLO | 2018 |
