
Kei Katanishi
Kei Katanishi is a Japan long-distance runner, born on March 18, 1997. He competes primarily in the 5000m, 10000m and Semi.
His personal bests include 13:57.02 in the 5000m, 28:13.53 in the 10000m, 1:01:50 in the Semi, 2:09:14 in the Marathon and 14:09 in the 5Kilometre. He has earned 1 gold medal in major international competitions. He is currently active on the international athletics circuit, representing Japan.
As of Sep 20, 2026: Marathon 2:09:14, 30 Kilometres Road 1:29:34, 2026 season best 2:14:00 (Mar 1, 2026, Tokyo (JPN)) · Last competition: Tokyo Marathon, Mar 1, 2026, 2:14:00 · 29 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | Marathon | 2:14:00 | - | Mar 1, 2026 | ↓ | Tokyo Marathon |
| 2025 | 5Kilometre | 14:09 | - | Sep 28, 2025 | - | The Road of Waseda |
| 2025 | 5000m | 14:46.03 | - | Jun 14, 2025 | ↓ | HOKUREN Distance Challenge 2025 in SHIBETSU |
| 2025 | 10000m | 29:51.47 | - | May 23, 2025 | ↓ | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
| 2025 | Marathon | 2:09:14 | - | Feb 24, 2025 | ↓ | Osaka Marathon, Osaka |
| 2024 | 10000m | 28:13.53 | - | Nov 23, 2024 | ↓ | 2024 Hachioji Long Distance |
| 2024 | Semi | 1:03:01 | - | Jun 30, 2024 | ↑ | Hakodate Marathon, Hakodate |
| 2024 | Marathon | 2:15:14 | - | Feb 25, 2024 | ↓ | Osaka Marathon |
| 2023 | Marathon | 2:11:16 | - | Mar 5, 2023 | ↓ | Tokyo Marathon |
| 2022 | 10000m | 28:29.11 | - | Nov 26, 2022 | ↓ | Gion Stadium, Machida (JPN) |
| 2022 | Marathon | 2:15:53 | - | Mar 6, 2022 | ↓ | Tokyo Marathon |
| 2021 | 5000m | 14:28.91 | - | Apr 25, 2021 | ↓ | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2021 | 10000m | 28:41.11 | - | Nov 27, 2021 | ↓ | Kamiyugi Park Athletic Stadium, Hachioji (JPN) |
| 2021 | Marathon | 2:09:27 | - | Feb 28, 2021 | ↓ | The 76th Lake Biwa Mainichi Marathon |
| 2020 | 10000m | 28:30.32 | - | Sep 19, 2020 | ↓ | Prefectural Stadium, Kumagaya (JPN) |
| 2020 | Semi | 1:03:45 | - | Feb 9, 2020 | ↑ | All-Japan Corporate Team Half Marathon Championships |
| 2019 | 5000m | 14:03.13 | - | May 19, 2019 | ↓ | Kumagaya (JPN) |
| 2019 | 10000m | 28:34.86 | - | Nov 23, 2019 | ↓ | Hosei University Stadium, Machida (JPN) |
| 2019 | 30Kilometr | 1:29:34 | - | Feb 17, 2019 | - | Kumamoto (JPN) |
| 2018 | 5000m | 13:57.02 | - | May 5, 2018 | ↓ | Nobeoka (JPN) |
| 2018 | 10000m | 28:37.41 | - | Nov 24, 2018 | ↓ | Kawasaki (JPN) |
| 2018 | Semi | 1:01:50 | - | Oct 13, 2018 | ↑ | Tachikawa (JPN) |
| 2017 | 10000m | 29:48.77 | - | Apr 22, 2017 | ↓ | Kobe (JPN) |
| 2017 | Semi | 1:02:31 | - | Feb 5, 2017 | ↑ | Marugame (JPN) |
| 2016 | Semi | 1:04:45 | - | Mar 6, 2016 | ↑ | Tachikawa (JPN) |
| 2015 | 20Kilometr | 1:02:23 | - | Oct 18, 2015 | - | Tokyo (JPN) |
| 2015 | Semi | 1:05:50 | - | Nov 15, 2015 | ↑ | Ageo (JPN) |
2026
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:14:00 | - | Mar 1 | Tokyo Marathon |
2025
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5Kilometre | 14:09 | - | Sep 28 | The Road of Waseda |
5000m | 14:46.03 | - | Jun 14 | HOKUREN Distance Challenge 2025 in SHIBETSU |
10000m | 29:51.47 | - | May 25 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
10000m | 29:51.47 | - | May 23 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
Marathon | 2:09:14 | - | Feb 24 | Osaka Marathon, Osaka |
2024
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:13.53 | - | Nov 23 | 2024 Hachioji Long Distance |
Semi | 1:03:01 | - | Jun 30 | Hakodate Marathon, Hakodate |
10000m | 28:50.55 | - | May 18 | 66th East Japan Corporate Athletics Championships |
Marathon | 2:15:14 | - | Feb 25 | Osaka Marathon |
2023
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:11:16 | - | Mar 5 | Tokyo Marathon |
2022
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:29.11 | - | Nov 26 | Hachioji Long Distance Meeting, Gion Stadium, Machida |
10000m | 29:22.76 | - | Sep 17 | 298th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama |
10000m | 29:26.43 | - | Jul 6 | Hokuren Distance Challenge, Athletics Stadium, Fukagawa |
10000m | 28:49.30 | - | May 14 | 64th East Japan Business Group Championship, ND Soft Stadium, Tendo |
Marathon | 2:15:53 | - | Mar 6 | Tokyo Marathon |
2021
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:41.11 | - | Nov 27 | Long Distance Meeting, Kamiyugi Park Athletic Stadium, Hachioji |
10000m | 29:09.24 | - | Sep 25 | 69th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka |
10000m | 29:31.98 | - | Jul 14 | Hokuren Distance Challenge, Municipal Stadium, Kitami |
10000m | 30:10.70 | - | May 15 | 63rd East Japan Business Group Championships, Prefectural Stadium, Kumagaya |
5000m | 14:28.91 | - | Apr 25 | 286th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama |
Marathon | 2:09:27 | - | Feb 28 | The 76th Lake Biwa Mainichi Marathon |
2020
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:54.37 | - | Nov 21 | Long Distance Meeting, Kamiyugi Park Athletic Stadium, Hachioji |
10000m | 28:30.32 | - | Sep 19 | 68th All Japan Corporate Teams Championships, Prefectural Stadium, Kumagaya |
10000m | 29:22.95 | - | Jul 8 | Hokuren Distance Challenge, Athletics Stadium, Fukagawa |
Semi | 1:03:45 | - | Feb 9 | All-Japan Corporate Team Half Marathon Championships |
2019
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:34.86 | - | Nov 23 | Hachioji Long Distance Meet, Hosei University Stadium, Machida |
10000m | 29:01.43 | - | Sep 22 | 67th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka |
10000m | 29:01.43 | - | Sep 21 | 67th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka |
10000m | 29:08.14 | - | Jul 22 | Hokuren Distance Challenge |
5000m | 14:03.13 | - | May 19 | 61st East Japan Corporate Teams Championships, Kumagaya |
30Kilometr | 1:29:34 | - | Feb 17 | Kumanichi Road Race, Kumamoto |
2018
8 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:37.41 | - | Nov 24 | Kawasaki Kanto Region Time Trials, Kawasaki |
Semi | 1:01:50 | - | Oct 13 | Tachikawa Half Marathon, Tachikawa |
5000m | 14:31.50 | - | May 27 | Sagamihara Kanto District Collegiate Championships, Sagamihara - Division 2 |
10000m | 29:41.15 | - | May 24 | Sagamihara Kanto District Collegiate Championships, Sagamihara - Division 2 |
5000m | 13:57.02 | - | May 5 | Nobeoka Golden Games, Nobeoka |
10000m | 28:38.70 | - | Apr 21 | Yokohama Nittai University Distance Meet, Yokohama |
Semi | 1:03:05 | - | Mar 18 | New York Half Marathon, New York, NY |
Semi | 1:01:58 | - | Feb 4 | Marugame Half Marathon, Marugame |
2017
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:03:00 | - | Nov 19 | Ageo City Half Marathon, Ageo |
Semi | 1:06:09 | - | Aug 27 | Universiade, Taipei Municipal Stadium, Taipei City |
10000m | 29:48.77 | - | Apr 22 | Kobe Hyogo Relays, Kobe |
Semi | 1:02:34 | - | Mar 5 | Tachikawa Japanese Univ. Half Marathon Ch., Tachikawa |
Semi | 1:02:31 | - | Feb 5 | Marugame Half Marathon, Marugame |
2016
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:05:22 | - | Sep 18 | Sydney Half Marathon, Sydney |
Semi | 1:04:45 | - | Mar 6 | Tachikawa Half Marathon, Tachikawa |
2015
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:05:50 | - | Nov 15 | Ageo City Half Marathon, Ageo |
20Kilometr | 1:02:23 | - | Oct 18 | Tokyo Takashimadaira Road Race, Tokyo |
Honours
Universiade
Half Marathon
Frequently asked questions
What is Kei Katanishi's Marathon personal best?
Kei Katanishi's Marathon personal best is 2:09:14, set on Feb 24, 2025 in Osaka (JPN).
Which events does Kei Katanishi compete in?
Kei Katanishi competes in the Marathon and 30 Kilometres Road.
How did Kei Katanishi perform in 2026?
2026 season best: 2:14:00, set on Mar 1, 2026 in Tokyo (JPN). Last competition: Tokyo Marathon on Mar 1, 2026, 2:14:00.