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Ryo Osaki
JPNMenBirth dateMay 19, 1995
Height-
Weight-
Ryo Osaki is a Japan middle-distance runner, born on May 19, 1995. He competes primarily in the 1500m, 5000m and 10000m.
His personal bests include 3:55.64 in the 1500m, 13:54.68 in the 5000m, 28:54.33 in the 10000m, 1:03:33 in the Semi and 2:08:30 in the Marathon. He is currently active on the international athletics circuit, representing Japan.
Key facts
10 000 m
28:54.33
Age
31 years old
As of Sep 20, 2026: Marathon 2:08:30 (#917 all-time), 10 000 m 28:54.33, 2026 season best 2:16:08 (Feb 22, 2026, Osaka (JPN)) · Last competition: Hokkaido Marathon, Aug 30, 2026, 2:17:33 · 31 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | Semi | 1:03:39 | - | Jan 25, 2026 | ↑ | Osaka Half Marathon |
| 2026 | Marathon | 2:16:08 | - | Feb 22, 2026 | ↓ | Osaka Marathon |
| 2025 | 5000m | 14:07.77 | - | Oct 4, 2025 | ↑ | 1st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo |
| 2025 | Marathon | 2:18:17 | - | Feb 2, 2025 | ↓ | 73rd Beppu-Oita Mainichi Marathon, Oita |
| 2024 | 5000m | 14:38.28 | - | Jul 17, 2024 | ↑ | Hokuren Distance Challenge - Fukagawa |
| 2024 | Marathon | 2:14:18 | - | Feb 4, 2024 | ↓ | 72nd Beppu-Oita Mainichi Marathon |
| 2023 | 5000m | 14:24.41 | - | Jul 15, 2023 | ↑ | Hokuren Distance Challenge - Chitose |
| 2023 | Semi | 1:03:33 | - | Jan 29, 2023 | ↑ | 2023 Osaka Half Marathon, Osaka Half Marathon Course, Osaka |
| 2023 | Marathon | 2:08:30 | - | Feb 26, 2023 | ↓ | Osaka Marathon |
| 2022 | 5000m | 13:54.68 | - | Nov 26, 2022 | ↑ | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2022 | Semi | 1:03:49 | - | Jan 30, 2022 | ↑ | Osaka (JPN) |
| 2022 | Marathon | 2:13:19 | - | Mar 6, 2022 | ↓ | Tokyo Marathon |
| 2021 | 1500m | 3:55.64 | - | May 15, 2021 | - | Prefectural Stadium, Kumagaya (JPN) |
| 2021 | 5000m | 14:00.25 | - | May 16, 2021 | ↑ | Prefectural Stadium, Kumagaya (JPN) |
| 2021 | 10000m | 29:07.31 | - | Apr 24, 2021 | ↑ | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2021 | Semi | 1:06:06 | - | May 5, 2021 | ↑ | Hokkaido Sapporo Marathon Festival |
| 2021 | Marathon | 2:12:59 | - | Feb 28, 2021 | ↓ | The 76th Lake Biwa Mainichi Marathon |
| 2020 | 5000m | 14:16.35 | - | Jul 4, 2020 | ↑ | Kokushikan University Stadium, Tama (JPN) |
| 2020 | 10000m | 28:54.33 | - | Dec 5, 2020 | ↑ | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2019 | 5000m | 14:55.03 | - | May 4, 2019 | ↑ | Nobeoka (JPN) |
| 2019 | 10000m | 30:06.60 | - | Apr 20, 2019 | ↑ | Yokohama (JPN) |
| 2019 | Semi | 1:05:48 | - | Mar 10, 2019 | ↑ | Tachikawa (JPN) |
| 2018 | 5000m | 14:36.66 | - | Nov 11, 2018 | ↑ | Yokohama (JPN) |
| 2018 | 10000m | 29:58.84 | - | Nov 10, 2018 | ↑ | Yokohama (JPN) |
2026
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:17:33 | - | Aug 30 | Hokkaido Marathon |
Marathon | 2:16:08 | - | Feb 22 | Osaka Marathon |
Semi | 1:03:39 | - | Jan 25 | Osaka Half Marathon |
2025
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5000m | 14:07.77 | - | Oct 4 | 1st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo |
5000m | 14:07.77 | - | Oct 4 | 1st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo |
Marathon | 2:18:17 | - | Feb 2 | 73rd Beppu-Oita Mainichi Marathon, Oita |
2024
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5000m | 14:38.28 | - | Jul 17 | Hokuren Distance Challenge - Fukagawa |
Marathon | 2:14:18 | - | Feb 4 | 72nd Beppu-Oita Mainichi Marathon |
2023
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5000m | 14:24.41 | - | Jul 15 | Hokuren Distance Challenge - Chitose |
5000m | 14:24.41 | - | Jul 15 | Hokuren Distance Challenge - Chitose |
Marathon | 2:20:04 | - | May 28 | Tartan Homes Ottawa International Marathon, Ottawa |
Marathon | 2:08:30 | - | Feb 26 | Osaka Marathon |
Semi | 1:03:33 | - | Jan 29 | 2023 Osaka Half Marathon, Osaka Half Marathon Course, Osaka |
2022
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5000m | 13:54.68 | - | Nov 26 | 301st Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama |
5000m | 13:58.04 | - | Oct 2 | 299th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama |
5000m | 13:59.43 | - | Jul 13 | Hokuren Distance Challenge, Athletic Track, Abashiri |
5000m | 14:27.91 | - | Jul 6 | Hokuren Distance Challenge, Athletics Stadium, Fukagawa |
5000m | 14:15.37 | - | May 15 | 64th East Japan Business Group Championship, ND Soft Stadium, Tendo |
Marathon | 2:13:19 | - | Mar 6 | Tokyo Marathon |
Semi | 1:03:49 | - | Jan 30 | Osaka Half Marathon, Osaka |
2021
11 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:17:13 | - | Dec 5 | The 75th Fukuoka International Open Marathon Championships, Fukuoka |
10000m | 29:50.45 | - | Sep 25 | 205th Tokai University Long Distance Competition, Athletics Stadium, Hadano |
5000m | 14:14.29 | - | Jul 17 | Hokuren Distance Challenge, Aoba Park Athletic Field, Chitose |
10000m | 29:14.85 | - | Jul 7 | Hokuren Distance Challenge, Athletics Stadium, Fukagawa |
5000m | 14:10.60 | - | Jul 3 | Hokuren Distance Challenge, Athletics Stadium, Shibetsu |
10000m | 29:28.92 | - | Jun 5 | 288th Nittadai(NSSU) Distance Meet, NITTAIDAI Athletic Stadium, Yokohama |
5000m | 14:00.25 | - | May 16 | 63rd East Japan Business Group Championships, Prefectural Stadium, Kumagaya |
1500m | 3:55.64 | - | May 15 | 63rd East Japan Business Group Championships, Prefectural Stadium, Kumagaya |
Semi | 1:06:06 | - | May 5 | Hokkaido Sapporo Marathon Festival |
10000m | 29:07.31 | - | Apr 24 | 286th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama |
Marathon | 2:12:59 | - | Feb 28 | The 76th Lake Biwa Mainichi Marathon |
2020
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:54.33 | - | Dec 5 | 282nd Nittadai(NSSU) Distance Meet, NITTAIDAI Athletic Stadium, Yokohama |
10000m | 29:28.41 | - | Nov 14 | 281st Nittadai(NSSU) Distance Meet, NITTAIDAI Athletic Stadium, Yokohama |
5000m | 14:39.72 | - | Jul 15 | Hokuren Distance Challenge, Athletic Track, Abashiri |
5000m | 14:26.63 | - | Jul 11 | 195th Tokai University Long Distance Competition, Athletics Stadium, Hadano |
5000m | 14:16.35 | - | Jul 4 | 4th Kokushikan University Competition, Kokushikan University Stadium, Tama |
2019
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:06:12 | - | Dec 29 | Half Marathon, Tachikawa |
5000m | 14:55.03 | - | May 4 | Golden Games, Nobeoka |
10000m | 30:06.60 | - | Apr 20 | 269th Nittaidai Distance Meet, Yokohama |
10000m | 31:04.30 | - | Apr 6 | 1st Setagaya Competition, Tokyo |
Semi | 1:05:48 | - | Mar 10 | Half Marathon |
2018
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5000m | 14:36.66 | - | Nov 11 | Yokohama 267th Nittai University Time Trials, Yokohama |
10000m | 29:58.84 | - | Nov 10 | Yokohama 267th Nittai University Time Trials, Yokohama |
Honours
No medals
FAQ
Frequently asked questions
What is Ryo Osaki's Marathon personal best?
Ryo Osaki's Marathon personal best is 2:08:30, set on Feb 26, 2023 in Osaka (JPN), #917 on the all-time list.
Which events does Ryo Osaki compete in?
Ryo Osaki competes in the Marathon and 10 000 m.
How did Ryo Osaki perform in 2026?
2026 season best: 2:16:08, set on Feb 22, 2026 in Osaka (JPN). Last competition: Hokkaido Marathon on Aug 30, 2026, 2:17:33.