Takaaki Nagai

JapanJapanActive
Born
Apr 24, 2005 (21 years old)
Events
Half Marathon

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.

Personal best · Half Marathon1:06:36
2026 season best1:06:15Jan 11, 2026 · Sendai
Last competition252nd Tokai University Long Distance CompetitionOct 24, 2026 · 30:48.00

As of Nov 13, 2026: Half Marathon 1:06:36, 2026 season best 1:06:15 (Jan 11, 2026, Sendai (JPN)) · Last competition: 252nd Tokai University Long Distance Competition, Oct 24, 2026, 30:48.00 · 21 years old

DisciplineResultAll-time
3000mKyoto 2021Japan 3000 m all-time list8:50.67780 pts–
5000mNobeoka 2023Japan 5000 m all-time list14:41.77866 pts–
10000mSagamihara 2024Japan 10 000 m all-time list31:36.38823 pts–
SemiSendai 2026Japan Half Marathon all-time list1:06:36936 pts–
MarathonMA 2026Japan Marathon all-time list2:19:02973 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
202610000m 30:48.00–Oct 24, 2026252nd Tokai University Long Distance Competition
2026Semi 1:06:15–Jan 11, 2026Tokyo New Year Half Marathon
2026Marathon 2:19:02–Apr 20, 2026Boston Marathon
202530Kilometr 1:38:17–Feb 16, 202557th The Ohme 30 & 10 km Road Race
20245000m 15:01.23–Sep 27, 202435th Kanto University Rookies Athletics Championships
202410000m 31:36.38–Nov 16, 20242024 Autumn Distance Challenge, Gion Stadium, Sagamihara
20235000m 14:41.77–May 4, 202334th Golden Games
20223000mSt 9:19.59–Sep 16, 2022Universiade Commemorative Stadium, Kobe (JPN)
FAQ

Frequently asked questions

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

Takaaki Nagai competes in the Half Marathon.

2026 season best: 1:06:15, set on Jan 11, 2026 in Sendai (JPN). Last competition: 252nd Tokai University Long Distance Competition on Oct 24, 2026, 30:48.00.