Atsumasa Shimonakano

JapanJapanActive
Born
Sep 19, 2004 (22 years old)
Events
5 Kilometres Road

Atsumasa Shimonakano is a Japan long-distance runner, born on September 19, 2004. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:53.67 in the 5000m, 30:39.68 in the 10000m, 1:09:41 in the Semi, 9:20.46 in the 3000mSt and 14:23 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.

Personal best · 5 Kilometres Road14:23
2026 season best14:23Sep 27, 2026 · Meijijingu Gaien area, Tokyo
2026 season best
Last competitionADIZERO 5K Tokyo ChallengeSep 27, 2026 · 14:23
ADIZERO 5K Tokyo Challenge

As of Nov 14, 2026: 5 Kilometres Road 14:23, 2026 season best 14:23 (Sep 27, 2026, Meijijingu Gaien area, Tokyo (JPN)) · Last competition: ADIZERO 5K Tokyo Challenge, Sep 27, 2026, 14:23 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
5000mKitakyushu 2022Japan 5000 m all-time list14:53.67829 pts––
10000mSagamihara 2024Japan 10 000 m all-time list30:39.68900 pts––
SemiTachikawa 2024Japan Half Marathon all-time list1:09:41829 pts––
3000mStFukuoka 2022Japan 3000 m steeplechase all-time list9:20.46911 pts––
5KilometreTokyo 202614:23–#501

Progression

SeasonDisciplineResultWindDateCompetitions
20265Kilometre 14:23–Sep 27, 2026ADIZERO 5K Tokyo Challenge
20255Kilometre 15:00–Apr 13, 2025Adidas Tokyo City Run
202410000m 30:39.68–Nov 16, 20242024 Autumn Distance Challenge, Gion Stadium, Sagamihara
2024Semi 1:09:41–Mar 10, 202427th All Japan University Men's Half Marathon Championship
20223000mSt 9:20.46–May 29, 2022Hakatanomori Athletic Stadium, Fukuoka (JPN)
20225000m 14:53.67–Oct 15, 2022Municipal Sayagatani Stadium, Kitakyushu (JPN)
20213000mSt 9:30.3h–Oct 10, 2021Prefectural Sports Park, Miyazaki (JPN)
FAQ

Frequently asked questions

Atsumasa Shimonakano's 5 Kilometres Road personal best is 14:23, set on Sep 27, 2026 in Meijijingu Gaien area, Tokyo (JPN).

Atsumasa Shimonakano competes in the 5 Kilometres Road.

2026 season best: 14:23, set on Sep 27, 2026 in Meijijingu Gaien area, Tokyo (JPN). Last competition: ADIZERO 5K Tokyo Challenge on Sep 27, 2026, 14:23.