Mahiru Kobayashi
- Born
- Nov 22, 2002 (23 years old)
- Events
- Half Marathon · 5000 m
Mahiru Kobayashi is a Japan middle-distance runner, born on November 22, 2002. She competes primarily in the 1500m, 3000m and 5000m.
Her personal bests include 4:25.83 in the 1500m, 9:34.35 in the 3000m, 15:53.64 in the 5000m, 33:58.59 in the 10000m and 1:12:03 in the Semi. She is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:12:03
2024 season best1:12:03Mar 17, 2024 · Matsue
Personal best · 5000 m15:53.64
Last competition13th NITTAIDAI Challenge GamesDec 1, 2024 · 16:26.39
As of Nov 13, 2026: Half Marathon 1:12:03, 5000 m 15:53.64, 2024 season best 1:12:03 (Mar 17, 2024, Matsue (JPN)) · Last competition: 13th NITTAIDAI Challenge Games, Dec 1, 2024, 16:26.39 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2024 | 1500m | 4:25.83 | – | May 23, 2024 | The 101st Kansai Inter University Track&Field Championships, Takebishi Stadium, Kyoto |
| 2024 | 5000m | 16:14.98 | – | Apr 3, 2024 | The 72nd Osaka Inter University Track&Field Championships and The 90th Hyogo Inter Univers, Expo '70 Stadium, Suita - Hyogo |
| 2024 | Semi | 1:12:03 | – | Mar 17, 2024 | 45th Matsue Ladies Half Marathon, Matsue |
| 2023 | 1500m | 4:34.45 | – | Apr 5, 2023 | 71st Osaka Inter-University Track & Field Championships, Nagai Stadium No. 2, Osaka |
| 2023 | 3000m | 9:43.95 | – | Jun 11, 2023 | 3rd Nittaidai Challenge Games |
| 2023 | 5000m | 15:53.64 | – | Nov 11, 2023 | 5th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama |
| 2023 | 10000m | 33:58.59 | – | Nov 19, 2023 | Autumn Distance Challenge |
| 2023 | Semi | 1:17:20 | – | Mar 19, 2023 | 26th All Japan University Women's Half Marathon Championship, Matsue |