TN

Takaaki Nagai

JPNJPNMen
Birth dateApr 24, 2005
Height-
Weight-

Takaaki Nagai is a Japan long-distance runner, born on April 24, 2005. He competes primarily in the 3000m, 5000m and 10000m.

His personal bests include 8:50.67 in the 3000m, 14:41.77 in the 5000m, 31:36.38 in the 10000m, 1:06:36 in the Semi and 2:19:02 in the Marathon. He is currently active on the international athletics circuit, representing Japan.

Key facts
Half Marathon
1:06:36
2026 season best
1:06:15
Jan 11, 2026 · Sendai (JPN)
2026 season best
Last competition
Sendai International Half Marathon
May 10, 2026 · 1:06:36
Sendai International Half Marathon
Age
21 years old

As of Sep 23, 2026: Half Marathon 1:06:36, 2026 season best 1:06:15 (Jan 11, 2026, Sendai (JPN)) · Last competition: Sendai International Half Marathon, May 10, 2026, 1:06:36 · 21 years old

PB

Personal bests

3000m
8:50.67
14:41.77
31:36.38
1:06:36
2:19:02
9:19.59
30Kilometr
1:38:17

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
Semi
1:06:15-Jan 11, 2026-Tokyo New Year Half Marathon
2026
Marathon
2:19:02-Apr 20, 2026-Boston Marathon
2025
30Kilometr
1:38:17-Feb 16, 2025-57th The Ohme 30 & 10 km Road Race
2024
5000m
15:01.23-Sep 27, 2024
↑
35th Kanto University Rookies Athletics Championships
2024
10000m
31:36.38-Nov 16, 2024-2024 Autumn Distance Challenge, Gion Stadium, Sagamihara
2023
5000m
14:41.77-May 4, 2023
↑
34th Golden Games
2022
3000mSt
9:19.59-Sep 16, 2022
↑
Universiade Commemorative Stadium, Kobe (JPN)
2022
5000m
15:05.85-Jul 16, 2022
↑
Takebishi Stadium, Kyoto (JPN)
2021
3000m
8:50.67-Jul 18, 2021-Municipal Nishikyogoku Stadium, Kyoto (JPN)
2021
3000mSt
9:33.79-Sep 17, 2021
↑
Municipal Nishikyogoku Stadium, Kyoto (JPN)
2021
5000m
15:08.10-Nov 21, 2021
↑
Municipal Nishikyogoku Stadium, Kyoto (JPN)

2026

3 performances
DisciplineResultWindDateCompetitions
Semi
1:06:36-May 10Sendai International Half Marathon
Marathon
2:19:02-Apr 20Boston Marathon
Semi
1:06:15-Jan 11Tokyo New Year Half Marathon

2025

1 performance
DisciplineResultWindDateCompetitions
30Kilometr
1:38:17-Feb 1657th The Ohme 30 & 10 km Road Race

2024

3 performances

2023

1 performance
DisciplineResultWindDateCompetitions
5000m
14:41.77-May 434th Golden Games

2022

6 performances
DisciplineResultWindDateCompetitions
3000mSt
9:19.59-Sep 1655th Kinki High School Youth Inter-School Championships, Universiade Commemorative Stadium, Kobe
3000mSt
9:28.61-Aug 2255th Kyoto Prefectural High School Ch., Municipal Nishikyogoku Stadium, Kyoto
5000m
15:05.85-Jul 1677th Kyoto Ch., Takebishi Stadium, Kyoto
3000mSt
9:21.95-Jun 475th Kyoto Prefectural High School Inter-School Championship, Municipal Nishikyogoku Stadium, Kyoto
3000mSt
9:39.91-Jun 375th Kyoto Prefectural High School Inter-School Championship, Municipal Nishikyogoku Stadium, Kyoto
3000mSt
9:29.68-Apr 1057th Kyoto Prefectural HS Spring Competition, Municipal Nishikyogoku Stadium, Kyoto

2021

4 performances
DisciplineResultWindDateCompetitions
5000m
15:08.10-Nov 219th Kyoto Athletics Records Meeting, Municipal Nishikyogoku Stadium, Kyoto
3000mSt
9:33.79-Sep 1754th Kinki High School Youth vs. School Championships, Municipal Nishikyogoku Stadium, Kyoto - HS 1st year
3000mSt
9:41.80-Aug 2054th Kyoto Prefectural High School Championships, Municipal Nishikyogoku Stadium, Kyoto
3000m
8:50.67-Jul 1876th Kyoto Ch., Municipal Nishikyogoku Stadium, Kyoto - U18 Events

Honours

No medals

FAQ

Frequently asked questions

What is Takaaki Nagai's Half Marathon personal best?

Takaaki Nagai's Half Marathon personal best is 1:06:36, set on May 10, 2026 in Sendai (JPN).

Which events does Takaaki Nagai compete in?

Takaaki Nagai competes in the Half Marathon.

How did Takaaki Nagai perform in 2026?

2026 season best: 1:06:15, set on Jan 11, 2026 in Sendai (JPN). Last competition: Sendai International Half Marathon on May 10, 2026, 1:06:36.