Natsuki Arai

JapanJapanActive
Born
Jun 30, 2007 (19 years old)
Events
10 Kilometres Road · 5 Kilometres Road

Natsuki Arai is a Japan sprinter, born on June 30, 2007. She competes primarily in the 5Kilometre, 10Kilometr and 5000m-short-track.

Her personal bests include 23:10 in the 5Kilometre, 47:05 in the 10Kilometr, 23:43.40 in the 5000m-short-track and 49:22.89 in the 10,000Metr. She is currently active on the international athletics circuit, representing Japan.

Personal best · 10 Kilometres Road47:05
2026 season best47:05Feb 15, 2026 · Rokko Island Konan Univ. West side, Kobe
2026 season best
Personal best · 5 Kilometres Road23:10
Last competition63rd All Japan Race Walking TakahataOct 25, 2026 · 1:42:41
63rd All Japan Race Walking Takahata

As of Nov 13, 2026: 10 Kilometres Road 47:05, 5 Kilometres Road 23:10, 2026 season best 47:05 (Feb 15, 2026, Rokko Island Konan Univ. West side, Kobe (JPN)) · Last competition: 63rd All Japan Race Walking Takahata, Oct 25, 2026, 1:42:41 · 19 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
5KilometreTokyo 202623:10––
10KilometrKobe 202647:05––
5000m-short-trackHiroshima 202523:43.40378 pts––
10,000MetrFujisawa 202649:22.89–#85

Progression

SeasonDisciplineResultWindDateCompetitions
20265000Metres 22:49.78–Sep 5, 202695th Japan Inter-University Athletics Championships
20265Kilometre 23:10–Jan 1, 2026New Year Race Walk in Tokyo
202610Kilometr 47:05–Feb 15, 2026Japanese Half Marathon Race Walking Championships
202610,000Metr 49:22.89–Mar 18, 2026Spring Challenge Meet
2026HalfMarath 1:42:41–Oct 25, 202663rd All Japan Race Walking Takahata
202520kmW 23:43.40–Jul 26, 20252025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
20255000m-short-track 23:43.40–Jul 25, 20252025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
20255Kilometre 24:07–Jan 1, 2025New Year Race Walk in Tokyo 2025, Tokyo
FAQ

Frequently asked questions

Natsuki Arai's 10 Kilometres Road personal best is 47:05, set on Feb 15, 2026 in Rokko Island Konan Univ. West side, Kobe (JPN).

Natsuki Arai competes in the 10 Kilometres Road and 5 Kilometres Road.

2026 season best: 47:05, set on Feb 15, 2026 in Rokko Island Konan Univ. West side, Kobe (JPN). Last competition: 63rd All Japan Race Walking Takahata on Oct 25, 2026, 1:42:41.