MO
Masayuki Obayashi
JPNMenBirth dateFeb 6, 1996
Height-
Weight-
Masayuki Obayashi is a Japan sprinter, born on February 6, 1996. He competes primarily in the 100m, 200m and 400m.
His personal bests include 10.54 in the 100m, 21.49 in the 200m, 46.79 in the 400m, 49.67 in the 400mH and 3:08.09 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.
Key facts
400 m
46.79
Last competition
70th Kansai Inter-Corporate Track & Field Championships
May 23, 2026 · 52.09
Age
30 years old
As of Sep 14, 2026: 400 m hurdles 49.67 (#792 all-time), 400 m 46.79, 2026 season best 51.57 (May 5, 2026, Prefectural Stadium, Marugame (JPN)) · Last competition: 70th Kansai Inter-Corporate Track & Field Championships, May 23, 2026, 52.09 · 30 years old
PB
Personal bests
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | 400m | 48.29 | - | Mar 20, 2026 | ↓ | 17th Takashi Yamada Memorial Athletics Competition |
| 2026 | 400mH | 51.57 | - | May 5, 2026 | ↓ | Kagawa Athletics Championships, Prefectural Stadium, Marugame |
| 2025 | 200m | 21.76 | -2.5 | May 5, 2025 | ↓ | 2025 Kagawa Athletics Championships |
| 2025 | 400m | 48.02 | - | Jun 8, 2025 | ↓ | 69th Kansai Inter-Corporate Track & Field Championships |
| 2025 | 400mH | 50.82 | - | Jun 7, 2025 | ↓ | 69th Kansai Inter-Corporate Track & Field Championships |
| 2024 | 400m | 46.81 | - | Jun 2, 2024 | ↓ | 68th Kansai Inter-Corporate Track & Field Championships, Yanmar Stadium Nagai, Osaka |
| 2024 | 400mH | 50.15 | - | Jun 1, 2024 | ↓ | 68th Kansai Inter-Corporate Track & Field Championships, Yanmar Stadium Nagai, Osaka |
| 2023 | 300m | 33.98 | - | Oct 14, 2023 | ↓ | National Sports Festival |
| 2023 | 400m | 49.51 | - | May 14, 2023 | ↓ | 67th Kansai Inter-Corporate Track & Field Championships |
| 2023 | 400mH | 50.54 | - | Oct 1, 2023 | ↓ | Yogibo Athletics Challenge Cup 2023, Denka Big Swan Stadium, Niigata |
| 2023 | 4x400m | 3:33.40 | - | Aug 27, 2023 | ↓ | Pocarisweat Stadium, Naruto (JPN) |
| 2023 | 4x400Metre | 3:33.40 | - | Aug 27, 2023 | - | 71st Shikoku Athletics Championships/65th Shikoku Games |
| 2022 | 400m | 47.66 | - | Jul 23, 2022 | ↓ | Prefectural Stadium, Marugame (JPN) |
| 2022 | 400mH | 50.46 | - | May 14, 2022 | ↓ | Naruto Sports Park, Tokushima (JPN) |
| 2021 | 100m | 10.63 | +1.1 | Mar 7, 2021 | ↓ | Athletic Park Athletics Stadium, Okinawa (JPN) |
| 2021 | 300m | 33.63 | - | Aug 22, 2021 | ↓ | Prefectural Stadium, Marugame (JPN) |
| 2021 | 400m | 47.59 | - | Sep 25, 2021 | ↓ | Yanmar Stadium Nagai, Osaka (JPN) |
| 2021 | 400mH | 49.93 | - | May 15, 2021 | ↓ | Yanmar Stadium Nagai, Osaka (JPN) |
| 2020 | 100m | 10.54 | +0.6 | Jul 11, 2020 | ↓ | Yashima Rexxam Field, Takamatsu (JPN) |
| 2020 | 400m | 46.92 | - | Jul 11, 2020 | ↓ | Yashima Rexxam Field, Takamatsu (JPN) |
| 2020 | 400mH | 50.22 | - | Sep 6, 2020 | ↓ | Prefectural Stadium, Fujiyoshida (JPN) |
| 2019 | 200m | 21.81 | -2.6 | May 11, 2019 | ↓ | Osaka (JPN) |
| 2019 | 400m | 46.94 | - | May 12, 2019 | ↓ | Osaka (JPN) |
| 2019 | 400mH | 49.67 | - | Sep 22, 2019 | ↓ | 67th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka |
| 2018 | 200m | 21.49 | +0.5 | Jul 8, 2018 | ↓ | Osaka (JPN) |
| 2018 | 400m | 46.79 | - | Mar 29, 2018 | ↓ | Nara (JPN) |
| 2018 | 400mH | 49.75 | - | May 6, 2018 | ↓ | Osaka (JPN) |
| 2017 | 400mH | 50.47 | - | Jun 23, 2017 | ↓ | Osaka (JPN) |
| 2016 | 400mH | 50.70 | - | Jun 24, 2016 | ↓ | Nagoya (JPN) |
| 2015 | 400mH | 50.65 | - | Oct 5, 2015 | ↓ | Wakayama (JPN) |
| 2015 | 4x400m | 3:08.09 | - | Sep 13, 2015 | ↓ | Osaka (JPN) |
2026
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400mH | 52.09 | - | May 23 | 70th Kansai Inter-Corporate Track & Field Championships |
400mH | 51.57 | - | May 5 | Kagawa Athletics Championships, Prefectural Stadium, Marugame |
400mH | 52.26 | - | May 5 | Kagawa Athletics Championships, Prefectural Stadium, Marugame |
400mH | 52.59 | - | Mar 21 | the second ICAAK track and field game |
400mH | 52.59 | - | Mar 20 | the second ICAAK track and field game |
400m | 48.29 | - | Mar 20 | 17th Takashi Yamada Memorial Athletics Competition |
2025
14 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400mH | 51.65 | - | Sep 28 | 73rd Japan Corporate Teams Athletics Championships |
400mH | 51.35 | - | Aug 12 | 2025 the first ICAAK athletic games, Takebishi Stadium, Kyoto |
400mH | 52.43 | - | Jun 28 | Osaka Athletics Championships |
400mH | 52.43 | - | Jun 27 | Osaka Athletics Championships |
400m | 48.02 | - | Jun 8 | 69th Kansai Inter-Corporate Track & Field Championships |
400m | 48.02 | - | Jun 7 | 69th Kansai Inter-Corporate Track & Field Championships |
400mH | 50.82 | - | Jun 7 | 69th Kansai Inter-Corporate Track & Field Championships |
200m | 22.67 | +2.3 | May 5 | 2025 Kagawa Athletics Championships |
200m | 22.01 | -2.2 | May 5 | 2025 Kagawa Athletics Championships |
200m | 21.76 | -2.5 | May 5 | 2025 Kagawa Athletics Championships |
200m | 22.67 | +2.3 | May 4 | 2025 Kagawa Athletics Championships |
200m | 21.76 | -2.5 | May 4 | 2025 Kagawa Athletics Championships |
200m | 22.01 | -2.2 | May 4 | 2025 Kagawa Athletics Championships |
400mH | 51.57 | - | May 3 | 40th Shizuoka International Athletics Meet, Prefectural Shizuoka Stadium, Fukuroi |
2024
20 performances2023
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
300m | 33.98 | - | Oct 14 | National Sports Festival |
400mH | 50.54 | - | Oct 1 | Yogibo Athletics Challenge Cup 2023, Denka Big Swan Stadium, Niigata |
400mH | 50.73 | - | Sep 24 | 71st All Japan Corporate Teams Athletics Championships |
400mH | 50.94 | - | Sep 24 | 71st All Japan Corporate Teams Athletics Championships |
4x400Metre | 3:33.40 | - | Aug 27 | 71st Shikoku Athletics Championships/65th Shikoku Games |
400mH | 52.27 | - | Aug 27 | 71st Shikoku Athletics Championships/65th Shikoku Games |
400mH | 54.02 | - | Aug 27 | 71st Shikoku Athletics Championships/65th Shikoku Games |
400mH | 51.50 | - | Jul 29 | 20th Tajima Naoto Memorial, Ishin Me-Life Stadium, Yamaguchi |
400mH | 52.54 | - | May 14 | 67th Kansai Inter-Corporate Track & Field Championships |
400mH | 53.60 | - | May 14 | 67th Kansai Inter-Corporate Track & Field Championships |
Showing 1 - 50 of 176
Honours
No medals
FAQ
Frequently asked questions
What is Masayuki Obayashi's 400 m hurdles personal best?
Masayuki Obayashi's 400 m hurdles personal best is 49.67, set on Sep 22, 2019 in Yanmar Stadium Nagai, Osaka (JPN), #792 on the all-time list.
Which events does Masayuki Obayashi compete in?
Masayuki Obayashi competes in the 400 m hurdles and 400 m.
How did Masayuki Obayashi perform in 2026?
2026 season best: 51.57, set on May 5, 2026 in Prefectural Stadium, Marugame (JPN). Last competition: 70th Kansai Inter-Corporate Track & Field Championships on May 23, 2026, 52.09.