MJ
Marnus Jonker
RSAMenBirth dateApr 19, 1999
Height-
Weight-
Marnus Jonker is a South Africa sprinter, born on April 19, 1999. He competes primarily in the 100m, 200m and 400m.
His personal bests include 11.13 in the 100m, 21.05 in the 200m, 45.62 in the 400m, 3:05.19 in the 4x400m and 1.85 in the HJ. He is currently active on the international athletics circuit, representing South Africa.
Key facts
400 m
45.62
200 m
21.05
Last competition
Meeting International d'Athlétisme de la Province de Liège
Jul 15, 2026 · 46.58
Age
27 years old
As of Sep 14, 2026: 400 m 45.62, 200 m 21.05, 2026 season best 46.58 (Jul 15, 2026, University of the Western Cape, Cape Town (RSA)) · Last competition: Meeting International d'Athlétisme de la Province de Liège, Jul 15, 2026, 46.58 · 27 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | 150m | 16.57 | +0.4 | Jan 27, 2026 | ↑ | ACNW League 1 |
| 2026 | 200m | 21.88 | +0.2 | Mar 3, 2026 | ↓ | ACNW League |
| 2026 | 300m | 34.36 | - | Jan 27, 2026 | ↑ | ACNW League 1 |
| 2026 | 400m | 46.58 | - | Jul 15, 2026 | ↑ | Meeting International d'Athlétisme de la Province de Liège |
| 2025 | 100m | 11.13 | +0.3 | Mar 4, 2025 | ↑ | ACNW League 6 |
| 2025 | 150m | 16.37 | -0.2 | Feb 25, 2025 | ↑ | ACNW League 5, McArthur Stadium, Potchefstroom |
| 2025 | 200m | 21.96 | -1.2 | Apr 25, 2025 | ↓ | South African Championships, McArthur Stadium, Potchefstroom |
| 2025 | 300m | 33.92 | - | Nov 27, 2025 | ↑ | ACNW League 18, McArthur Stadium, Potchefstroom |
| 2025 | 400m | 45.62 | - | May 2, 2025 | ↑ | USSA Athletics Track and Field Championships |
| 2025 | 4x400m | 3:05.19 | - | Apr 26, 2025 | - | South African Championships, McArthur Stadium, Potchefstroom |
| 2024 | 60m | 7.25 | +0.0 | Oct 8, 2024 | - | ACNW Track & Field League 12, McArthur Stadium, Potchefstroom |
| 2024 | 150m | 16.20 | +1.2 | Oct 15, 2024 | ↑ | ACNW Track & Field League 13 |
| 2024 | 200m | 21.05 | +0.7 | Jun 15, 2024 | ↓ | AGN League 7 Track & Field League LIMITED PROGRAM, Pilditch Stadium, Pretoria |
| 2024 | 300m | 33.69 | - | Oct 8, 2024 | ↑ | ACNW Track & Field League 12, McArthur Stadium, Potchefstroom |
| 2024 | 400m | 45.80 | - | May 25, 2024 | ↑ | ACNW Track & Field League 10, McArthur Stadium, Potchefstroom |
| 2024 | 600m | 1:18.25 | - | Feb 27, 2024 | ↑ | ACNW Track & Field League 5, McArthur Stadium, Potchefstroom |
| 2023 | 150m | 16.41 | +0.0 | Oct 24, 2023 | ↑ | ACNW Open Track & Field League, McArthur Stadium, Potchefstroom |
| 2023 | 200m | 21.44 | +2.9 | Mar 31, 2023 | ↓ | South African Championships, McArthur Stadium, Potchefstroom |
| 2023 | 300m | 33.66 | - | Oct 17, 2023 | ↑ | ACNW Track & Field Open League, McArthur Stadium, Potchefstroom - U20 Events |
| 2023 | 400m | 46.16 | - | Mar 30, 2023 | ↑ | South African Championships, McArthur Stadium, Potchefstroom |
| 2023 | 600m | 1:24.19 | - | Oct 24, 2023 | ↑ | ACNW Open Track & Field League, McArthur Stadium, Potchefstroom |
| 2022 | 100m | 11.24 | +1.7 | Feb 22, 2022 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2022 | 200m | 21.97 | -0.4 | Mar 12, 2022 | ↓ | McArthur Stadium, Potchefstroom (RSA) |
| 2022 | 400m | 47.15 | - | Feb 1, 2022 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2022 | 600m | 1:20.66 | - | Jan 25, 2022 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2021 | 100m | 11.39 | - | Oct 19, 2021 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2021 | 150m | 16.52 | - | Sep 28, 2021 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2021 | 200m | 22.15 | +0.8 | Mar 2, 2021 | ↓ | McArthur Stadium, Potchefstroom (RSA) |
| 2021 | 300m | 34.42= | - | Nov 9, 2021 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2021 | 400m | 47.20 | - | Apr 16, 2021 | ↑ | South African Championships, Bestmed Tuks Stadium, Pretoria |
| 2021 | 600m | 1:21.89 | - | Feb 16, 2021 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 100m | 11.31 | +0.5 | Dec 8, 2020 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 150m | 16.94 | +0.3 | Nov 3, 2020 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 200m | 22.26 | -0.6 | Nov 24, 2020 | ↓ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 300m | 34.42 | - | Nov 17, 2020 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 400m | 48.32 | - | Dec 8, 2020 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2020 | 600m | 1:21.78 | - | Nov 17, 2020 | ↑ | McArthur Stadium, Potchefstroom (RSA) |
| 2019 | HJ | 1.85 | - | Jan 29, 2019 | - | Potchefstroom (RSA) |
| 2019 | 100m | 11.43 | +0.3 | Feb 19, 2019 | ↑ | Potchefstroom (RSA) |
| 2019 | 200m | 21.56 | - | Nov 6, 2019 | ↓ | McArthur Stadium, Potchefstroom (RSA) |
| 2019 | 400m | 49.36 | - | Mar 9, 2019 | ↑ | Potchefstroom (RSA) |
2026
12 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 46.58 | - | Jul 15 | Meeting International d'Athlétisme de la Province de Liège |
400m | 47.32 | - | May 16 | AGN Track & Field League 5 |
400m | 47.25 | - | May 9 | ACNW League |
400m | 46.86 | - | Apr 24 | USSA Track & Field Championships |
400m | 46.95 | - | Apr 17 | South African Championships |
400m | 47.00 | - | Apr 16 | South African Championships |
400m | 46.95 | - | Apr 16 | South African Championships |
400m | 47.02 | - | Apr 8 | Hezekiel Sepeng Invitational |
400m | 46.90 | - | Mar 14 | ACNW Youth, Junior and u23 Championships |
200m | 21.88 | +0.2 | Mar 3 | ACNW League |
300m | 34.36 | - | Jan 27 | ACNW League 1 |
150m | 16.57 | +0.4 | Jan 27 | ACNW League 1 |
2025
21 performances2024
17 performancesShowing 1 - 50 of 147
Honours
No medals
FAQ
Frequently asked questions
What is Marnus Jonker's 400 m personal best?
Marnus Jonker's 400 m personal best is 45.62, set on May 2, 2025 in Pilditch Stadium, Pretoria (RSA).
Which events does Marnus Jonker compete in?
Marnus Jonker competes in the 400 m and 200 m.
How did Marnus Jonker perform in 2026?
2026 season best: 46.58, set on Jul 15, 2026 in University of the Western Cape, Cape Town (RSA). Last competition: Meeting International d'Athlétisme de la Province de Liège on Jul 15, 2026, 46.58.