Mahiro Osa
JPNWomenMahiro Osa is a Japan thrower, born on November 26, 1999. She competes primarily in the JT.
Her personal bests include 61.10 in the JT. She is currently active on the international athletics circuit, representing Japan.
As of Sep 24, 2026: Javelin Throw 61.10 (#177 all-time), 2026 season best 56.77 (Apr 29, 2026, Municipal Stadium, Hiroshima (JPN)) · Last competition: 81st Kyushu Athletics Championships, Aug 21, 2026, 54.29 · 26 years old
Personal bests
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | JT | 56.77 | - | Apr 29, 2026 | ↓ | 60th Oda Mikio Memorial |
| 2025 | JT | 58.68 | - | Oct 5, 2025 | ↓ | Japan Games, Athletic Stadium, Hikone |
| 2024 | JT | 55.25 | - | Jun 28, 2024 | ↓ | Japanese Championships |
| 2023 | JT | 61.10 | - | May 6, 2023 | ↓ | 10th Kinami Michitaka Memorial Athletics Meet, Yanmar Stadium Nagai, Osaka |
| 2022 | JT | 59.37 | - | May 1, 2022 | ↓ | Kinami Michitaka Memorial Meet |
| 2021 | JT | 58.57 | - | Mar 25, 2021 | ↓ | Kokushikan University Stadium, Tama (JPN) |
| 2020 | JT | 56.58 | - | Oct 31, 2020 | ↓ | Kokushikan University Stadium, Tama (JPN) |
| 2019 | JT | 51.46 | - | Mar 24, 2019 | ↓ | Tama (JPN) |
| 2018 | JT | 52.91 | - | May 25, 2018 | ↓ | Sagamihara (JPN) |
| 2017 | JT | 54.55 | - | Aug 1, 2017 | ↓ | Yamagata (JPN) |
| 2016 | JT | 56.48 | - | Jul 30, 2016 | ↓ | Okayama (JPN) |
2026
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
JT | 54.29 | - | Aug 21 | 81st Kyushu Athletics Championships |
JT | 55.10 | - | Aug 9 | Fuji Hokuroku World Trial |
JT | 52.92 | - | Jun 12 | Japanese Championships |
JT | 56.77 | - | Apr 29 | 60th Oda Mikio Memorial |
JT | 53.11 | - | Apr 19 | 74th Hyogo Relay Carnival |
JT | 53.11 | - | Apr 18 | 74th Hyogo Relay Carnival |
2025
13 performances2024
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
JT | 52.48 | - | Oct 27 | 3rd Shuhei Nishida Memorial Track and Field Tournament |
JT | 54.19 | - | Oct 13 | National Sports Festival 2024 Saga |
JT | 55.25 | - | Jun 28 | Japanese Championships |
JT | 52.07 | - | May 5 | 2024 Mito Invitational, Municipal Stadium, Mito |
JT | 53.45 | - | Apr 29 | 58th Oda Mikio Memorial |
JT | 53.65 | - | Apr 6 | 1st Kokushikan University Competition, Kokushikan University Stadium, Tama |
JT | 52.22 | - | Feb 15 | Maurie Plant Meet, Lakeside Stadium, Melbourne |
2023
16 performances2022
8 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
JT | 59.25 | - | Nov 5 | 6th Kokushikan University Competition, Kokushikan University Stadium, Tama |
JT | 57.20 | - | Oct 29 | Nippon Sport Science University Championships, NITTAIDAI Athletic Stadium, Yokohama |
JT | 58.15 | - | Oct 10 | 77th National Sports Festival |
JT | 58.15 | - | Oct 8 | 77th National Sports Festival |
JT | 56.91 | - | Oct 2 | Athletics Challenge, Denka Big Swan Stadium, Niigata |
JT | 56.91 | - | Oct 1 | Athletics Challenge, Denka Big Swan Stadium, Niigata |
JT | 57.23 | - | Sep 24 | 70th All Japan Corporate Team Championships, Nagaragawa Stadium, Gifu |
JT | 58.04 | - | Jun 11 | 106th Japan Championships, Yanmar Stadium Nagai, Osaka |
Honours
No medals
Frequently asked questions
What is Mahiro Osa's Javelin Throw personal best?
Mahiro Osa's Javelin Throw personal best is 61.10, set on May 6, 2023 in Yanmar Stadium Nagai, Osaka (JPN), #177 on the all-time list.
Which events does Mahiro Osa compete in?
Mahiro Osa competes in the Javelin Throw.
How did Mahiro Osa perform in 2026?
2026 season best: 56.77, set on Apr 29, 2026 in Municipal Stadium, Hiroshima (JPN). Last competition: 81st Kyushu Athletics Championships on Aug 21, 2026, 54.29.