Kokoro Sakai

JapanJapanActive
Born
Feb 8, 2001 (25 years old)
Events
10 000 m · Half Marathon

Kokoro Sakai is a Japan middle-distance runner, born on February 8, 2001. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:34.50 in the 1500m, 9:26.90 in the 3000m, 16:08.60 in the 5000m, 32:45.30 in the 10000m and 1:13:07 in the Semi. She is currently active on the international athletics circuit, representing Japan.

Personal best · 10 000 m32:45.30
2026 season best33:52.44Jul 5, 2026
2026 season best
Personal best · Half Marathon1:13:07
Last competition2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field ChampionshipsOct 3, 2026 · 16:19.43
2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships

As of Nov 13, 2026: 10 000 m 32:45.30, Half Marathon 1:13:07, 2026 season best 33:52.44 (Jul 5, 2026) · Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships, Oct 3, 2026, 16:19.43 · 25 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
1500mTokushima 2022Japan 1500 m all-time list4:34.50945 pts––
3000mKyoto 2021Japan 3000 m all-time list9:26.901,018 pts––
5000mKyoto 2022Japan 5000 m all-time list16:08.601,034 pts–#839
10000mOsaka 2025Japan 10 000 m all-time list32:45.301,100 pts–#354
SemiYamaguchi 2026Japan Half Marathon all-time list1:13:071,067 pts–#537
10KilometrOkayama 202333:31––

Progression

SeasonDisciplineResultWindDateCompetitions
20265000m 16:19.43–Oct 3, 20262nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships
202610000m 33:52.44–Jul 5, 202674th Japan Corporate Teams Athletics Championships 10000m
2026Semi 1:13:07–Feb 8, 202654th Yamaguchi All-Corporate Half Marathon Championships
20255000m 16:21.84–Jun 8, 202569th Kansai Inter-Corporate Track & Field Championships
202510000m 32:45.30–Dec 6, 2025EDION Distance Challenge in Osaka 2025
202510Kilometr 33:55–Dec 21, 2025The 44th SANYO Ladies Road Race
20245000m 16:12.11–Apr 20, 202472nd Hyogo Relay Carnival
202410000m 33:02.85–Dec 7, 2024Edion Distance Challenge 2024
FAQ

Frequently asked questions

Kokoro Sakai's 10 000 m personal best is 32:45.30, set on Dec 6, 2025 in Yanmar Stadium Nagai, Osaka (JPN).

Kokoro Sakai competes in the 10 000 m and Half Marathon.

2026 season best: 33:52.44, set on Jul 5, 2026. Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships on Oct 3, 2026, 16:19.43.