Junna Ishimaru

JapanJapan
Born
Aug 10, 2003 (23 years old)
Events
10 000 m · Half Marathon

Junna Ishimaru is a Japan long-distance runner, born on August 10, 2003. He competes primarily in the 3000m, 5000m and 10000m.

His personal bests include 8:12.98 in the 3000m, 13:42.30 in the 5000m, 28:27.87 in the 10000m, 1:02:31 in the Semi and 14:38 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.

Personal best · 10 000 m28:27.87
2025 season best28:47.86Jun 5, 2025 · Prefectural Stadium, Okayama
2025 season best
Personal best · Half Marathon1:02:31
Last competitionHOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, AbashiriJul 19, 2025 · 13:47.50
HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri

As of Nov 13, 2026: 10 000 m 28:27.87, Half Marathon 1:02:31, 2025 season best 28:47.86 (Jun 5, 2025, Prefectural Stadium, Okayama (JPN)) · Last competition: HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri, Jul 19, 2025, 13:47.50 · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
3000mTokorozawa 2024Japan 3000 m all-time list8:12.98981 pts–
5000mYokohama 2024Japan 5000 m all-time list13:42.301,060 pts–
10000mShibetsu 2024Japan 10 000 m all-time list28:27.871,090 pts–
SemiMarugame 2024Japan Half Marathon all-time list1:02:311,087 pts–
5KilometreHerzogenaurach 202414:38–

Progression

SeasonDisciplineResultWindDateCompetitions
20253000m 8:17.81–Mar 22, 2025Track Games in Tokorozawa
20255000m 13:47.50–Jul 19, 2025HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri
202510000m 28:47.86–Jun 5, 202594th Japan Inter-University Athletics Championships
2025Semi 1:03:29–Jun 29, 2025Hakodate Half Marathon, Hakodate
20243000m 8:12.98–Mar 30, 2024TOKOROZAWA Games
20245000m 13:42.30–Sep 29, 202411th NITTAIDAI Challenge Games
20245Kilometre 14:38–Apr 27, 2024adizero Road to Records
202410000m 28:27.87–Jul 13, 2024Hokuren Distance Challenge - Shibetsu, Athletics Stadium, Shibetsu
FAQ

Frequently asked questions

Junna Ishimaru's 10 000 m personal best is 28:27.87, set on Jul 13, 2024 in Athletics Stadium, Shibetsu (JPN).

Junna Ishimaru competes in the 10 000 m and Half Marathon.

2025 season best: 28:47.86, set on Jun 5, 2025 in Prefectural Stadium, Okayama (JPN). Last competition: HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri on Jul 19, 2025, 13:47.50.