Ren Umezaki

Birth dateAug 14, 2002

Height-

Weight-

Ren Umezaki is a Japan middle-distance runner, born on August 14, 2002. He competes primarily in the 1500m, 3000m and 5000m.

His personal bests include 3:50.15 in the 1500m, 8:26.69 in the 3000m, 13:39.50 in the 5000m, 28:08.67 in the 10000m and 1:00:57 in the Semi. He is currently active on the international athletics circuit, representing Japan.

Key facts

Half Marathon

1:00:57

Marathon

2:10:19

2026 season best

1:00:57

Feb 8, 2026 · Ishin Me-Life Stadium, Yamaguchi (JPN)

2026 season best

Last competition

Hyundai Porto Half Marathon

Sep 13, 2026 · 1:04:54

Hyundai Porto Half Marathon

Age

24 years old

As of Sep 15, 2026: Half Marathon 1:00:57, Marathon 2:10:19, 2026 season best 1:00:57 (Feb 8, 2026, Ishin Me-Life Stadium, Yamaguchi (JPN)) · Last competition: Hyundai Porto Half Marathon, Sep 13, 2026, 1:04:54 · 24 years old

Personal bests

3:50.15

8:26.69

13:39.50

28:08.67

1:00:57

2:10:19

1:31:17

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	5000m	13:39.50	-	Jun 14, 2026	↑	23rd Nittaidai Challenge Games
2026	10000m	27:56.13	-	Jul 5, 2026	↑	74th Japan Corporate Teams Athletics Championships 10000m
2026	Semi	1:00:57	-	Feb 8, 2026	↑	54th Yamaguchi All-Corporate Half Marathon Championships
2025	5000m	13:46.48	-	Jul 12, 2025	↑	HOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, Chitose
2025	10000m	28:08.67	-	Nov 22, 2025	↑	Hachioji Long Distance
2024	10000m	28:58.71	-	Jun 23, 2024	↑	Selection Meeting for 56th All Japan Inter-University Ekiden, Gion Stadium, Sagamihara
2024	Semi	1:03:19	-	May 12, 2024	↑	The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo
2024	Marathon	2:10:19	-	Feb 11, 2024	-	62th Nobeoka Nishinippon Marathon
2023	Semi	1:02:41=	-	May 14, 2023	↑	102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier
2023	30Kilometr	1:31:17	-	Feb 19, 2023	-	Kanakuri Memorial 65th Kumanichi 30km Road Race
2022	1500m	3:50.15	-	Sep 17, 2022	-	Komazawa Olympic Park Athletic Stadium, Tokyo (JPN)
2022	3000m	8:26.69	-	Mar 24, 2022	↑	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2022	5000m	14:14.50	-	Apr 2, 2022	↑	Athletics Stadium, Konosu (JPN)
2022	10000m	29:18.70	-	Apr 10, 2022	↑	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2022	Semi	1:02:41	-	May 22, 2022	↑	Setagaya, Tokyo (JPN)
2021	3000m	8:34.25	-	Apr 11, 2021	↑	Athletics Stadium, Konosu (JPN)
2021	5000m	14:44.02	-	Sep 29, 2021	↑	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2020	5000m	14:28.45	-	Oct 24, 2020	↑	Edion Stadium, Hiroshima (JPN)
2020	10000m	30:41.43	-	Oct 11, 2020	↑	Yashima Rexxam Field, Takamatsu (JPN)
2019	5000m	14:42.10	-	Aug 7, 2019	↑	Okinawa (JPN)

Discipline	Result	Wind	Date	Competitions
Semi	1:04:54	-	Sep 13	Hyundai Porto Half Marathon
10000m	27:56.13	-	Jul 5	74th Japan Corporate Teams Athletics Championships 10000m
5000m	13:39.50	-	Jun 14	23rd Nittaidai Challenge Games
5000m	14:01.52	-	May 23	70th Kansai Inter-Corporate Track & Field Championships
10000m	28:25.20	-	May 10	13th Kinami Michitaka Memorial Athletics Meet
10000m	28:40.28	-	Mar 28	The TEN
Semi	1:00:57	-	Feb 8	54th Yamaguchi All-Corporate Half Marathon Championships

Discipline	Result	Wind	Date	Competitions
10000m	28:08.67	-	Nov 22	Hachioji Long Distance
5000m	13:50.61	-	Sep 28	73rd Japan Corporate Teams Athletics Championships
5000m	14:16.57	-	Jul 19	HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri
5000m	13:46.48	-	Jul 12	HOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, Chitose
5000m	13:54.69	-	Jun 7	69th Kansai Inter-Corporate Track & Field Championships

Discipline	Result	Wind	Date	Competitions
10000m	28:58.71	-	Jun 23	Selection Meeting for 56th All Japan Inter-University Ekiden, Gion Stadium, Sagamihara
Semi	1:03:19	-	May 12	The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo
Semi	1:03:19	-	May 10	The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo
Marathon	2:10:19	-	Feb 11	62th Nobeoka Nishinippon Marathon

Discipline	Result	Wind	Date	Competitions
Semi	1:02:41	-	May 14	102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier
Semi	1:02:41	-	May 13	102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier
30Kilometr	1:31:17	-	Feb 19	Kanakuri Memorial 65th Kumanichi 30km Road Race

Discipline	Result	Wind	Date	Competitions
1500m	3:50.15	-	Sep 17	Two Laps Middle Distance Circuit, Komazawa Olympic Park Athletic Stadium, Tokyo - Special Events
10000m	29:49.77	-	Jun 19	Selection Meeting for All JAPAN Inter-University Ekiden, Gion Stadium, Sagamihara
Semi	1:02:41	-	May 22	Kanto Region University Ch. Half Marathon, Setagaya, Tokyo
Semi	1:04:35	-	May 8	Sendai Half Marathon, Sendai
10000m	29:18.70	-	Apr 10	1st Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
5000m	14:14.50	-	Apr 2	18th Kanto Private School Six Universities Ch., Athletics Stadium, Konosu - Open Event
3000m	8:26.69	-	Mar 24	19th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa

Discipline	Result	Wind	Date	Competitions
5000m	14:44.02	-	Sep 29	10th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
3000m	8:34.25	-	Apr 11	17th Kanto Private School Six Universities vs. School Championships, Athletics Stadium, Konosu

Discipline	Result	Wind	Date	Competitions
5000m	14:28.45	-	Oct 24	National High School Competition, Edion Stadium, Hiroshima
10000m	30:41.43	-	Oct 11	Night Game Trial, Yashima Rexxam Field, Takamatsu
5000m	14:35.16	-	Aug 9	Ehime Prefectural High School Championships, Ehime Athletics Stadium, Matsuyama

Discipline	Result	Wind	Date	Competitions
5000m	14:42.10	-	Aug 7	Japanese High School Championships, Okinawa

FAQ

Frequently asked questions

What is Ren Umezaki's Half Marathon personal best?

Ren Umezaki's Half Marathon personal best is 1:00:57, set on Feb 8, 2026 in Ishin Me-Life Stadium, Yamaguchi (JPN).

Which events does Ren Umezaki compete in?

Ren Umezaki competes in the Half Marathon and Marathon.

How did Ren Umezaki perform in 2026?

2026 season best: 1:00:57, set on Feb 8, 2026 in Ishin Me-Life Stadium, Yamaguchi (JPN). Last competition: Hyundai Porto Half Marathon on Sep 13, 2026, 1:04:54.

Ren Umezaki

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2022

2021

2020

2019

Honours

No medals

Frequently asked questions