# Belgium at the 2023 World Athletics Championships

Belgium competed at the 2023 World Athletics Championships in Budapest, Hungary, from 19 to 27 August 2023.

## Results

Belgium entered 31 athletes.

### Key

* Q = Qualified for the next round
* q = Qualified for the next round as a fastest loser or, in field events, by position without achieving the qualifying target
* NR = National record
* PB = Personal best
* SB = Season best
* N/A = Round not applicable for the event

### Men
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Dylan Borlée | 400 metres | 45.24 | 4 q | 45.59 | 7 | Did not advance | Did not advance |
| Alexander Doom | 400 metres | 44.92 PB | 2 Q | 45.57 | 5 | Did not advance | Did not advance |
| Ismael Debjani | 1500 metres | 3:47.02 | 15 | Did not advance | Did not advance | Did not advance | Did not advance |
| Ruben Verheyden | 1500 metres | 3:47.02 | 5 Q | 3:33.96 | 11 | Did not advance | Did not advance |
| Jochem Vermeulen | 1500 metres | 3:35.45 | 9 | Did not advance | Did not advance | Did not advance | Did not advance |
| Robin Hendrix | 5000 metres | 13:55.81 | 19 | — | — | Did not advance | Did not advance |
| John Heymans | 5000 metres | 13:39.67 | 13 | — | — | Did not advance | Did not advance |
| Isaac Kimeli | 10,000 metres | — | 28:20.77 SB | 13 |
| Julien Watrin | 400 metres hurdles | 48.72 SB | 4 q | 48.94 | 5 | Did not advance | Did not advance |
| Julien Watrin Dylan Borlée Robin Vanderbemden Alexander Doom | 4 × 400 metres relay | 3:00.33 SB | 5 | — | Did not advance | Did not advance |

#### Field events

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Distance | Position | Distance | Position |
| Thomas Carmoy | High jump | 2.25 | 15 | Did not advance | Did not advance |
| Ben Broeders | Pole vault | 5.75 | 11 q | 5.75 | 7 |
| Philip Milanov | Discus throw | 63.00 | 18 | Did not advance | Did not advance |
| Timothy Herman | Javelin throw | 80.11 | 11 q | 74.56 | 12 |

### Women
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Delphine Nkansa | 100 metres | 11.40 | 5 | Did not advance | Did not advance | Did not advance | Did not advance |
| Rani Rosius | 100 metres | 11.18 PB | 4 q | 11.20 | 7 | Did not advance | Did not advance |
| Cynthia Bolingo | 400 metres | 50.29 SB | 2 Q | 49.96 NR | 3 q | 50.33 | 5 |
| Helena Ponette | 400 metres | 51.52 PB | 6 | Did not advance | Did not advance | Did not advance | Did not advance |
| Elise Vanderelst | 1500 metres | 4:11.55 | 14 | Did not advance | Did not advance | Did not advance | Did not advance |
| Hanne Verbruggen | Marathon | — | 2:37:15 | 39 |
| Hanne Claes | 400 metres hurdles | 55.13 | 3 Q | 56.06 | 7 | Did not advance | Did not advance |
| Hanne Claes Camille Laus$^1$ Helena Ponette Naomi Van Den Broeck$^2$ Imke Vervaet | 4 × 400 metres relay | 3:23.63 SB | 2 Q | — | 3:22.84 SB | 5 |
$^1$Final only $^2$Heats only

#### Field events

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Distance | Position | Distance | Position |
| Merel Maes | High jump | 1.89 | =17 | Did not advance | Did not advance |
| Elien Vekemans | Pole vault | 4.35 | 29 | Did not advance | Did not advance |

#### Combined events – Heptathlon

| Athlete | Event | 100H | HJ | SP | 200 m | LJ | JT | 800 m | Final | Rank |
| Noor Vidts | Result | 13.33 SB | 1.80 | 14.40 | 24.23 | 6.35 | 41.00 | 2:09.48 | 6450 | 6 |
| Noor Vidts | Points | 1075 | 978 | 821 | 959 | 959 | 686 | 972 | 6450 | 6 |

### Mixed
#### Track events

| Athlete | Event | Heat | Heat | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank |
| Jonathan Borlée$^1$ Camille Laus Florent Mabille$^2$ Robin Vanderbemden Imke Vervaet | 4 × 400 metres relay | 3:11.81 SB | 3 Q | 3:13.83 | 5 |
$^1$Final only $^2$Heats only