Masato Arao

Birth dateJul 8, 2000

Height-

Weight-

Masato Arao is a Japan middle-distance runner, born on July 8, 2000. He competes primarily in the 1500m, 5000m and 10000m.

His personal bests include 4:06.12 in the 1500m, 14:23.36 in the 5000m, 28:50.40 in the 10000m, 1:01:49 in the Semi and 2:07:42 in the Marathon. He is currently active on the international athletics circuit, representing Japan.

Key facts

Marathon

2:07:42

#771 all-time

Half Marathon

1:01:49

2026 season best

2:09:59

Mar 1, 2026 · Tokyo (JPN)

2026 season best

Last competition

Tokyo Marathon

Mar 1, 2026 · 2:09:59

Tokyo Marathon

Age

26 years old

As of Sep 12, 2026: Marathon 2:07:42 (#771 all-time), Half Marathon 1:01:49, 2026 season best 2:09:59 (Mar 1, 2026, Tokyo (JPN)) · Last competition: Tokyo Marathon, Mar 1, 2026, 2:09:59 · 26 years old

Personal bests

4:06.12

14:23.36

28:50.40

1:01:49

2:07:42

29:27

1:30:50

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	Semi	1:01:49	-	Jan 25, 2026	↑	Osaka Half Marathon
2026	30Kilometr	1:30:54	-	Feb 15, 2026	↓	58th The Ohme 30 & 10 km Road Race, Ohme
2026	Marathon	2:09:59	-	Mar 1, 2026	↑	Tokyo Marathon
2025	10000m	28:51.44	-	Oct 4, 2025	↑	1st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo
2025	Semi	1:02:12	-	Oct 19, 2025	↑	Tokyo Legacy Half Marathon
2025	30Kilometr	1:30:50	-	Feb 16, 2025	↓	57th The Ohme 30 & 10 km Road Race
2025	Marathon	2:07:42	-	Aug 31, 2025	↑	TCS Sydney Marathon Presented by ASICS, Sydney
2024	5000m	14:49.32	-	Aug 25, 2024	↓	51st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
2024	10000m	30:13.59	-	Aug 24, 2024	↑	51st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
2024	Marathon	2:17:55	-	Mar 3, 2024	↑	Tokyo Marathon
2023	5000m	15:04.31	-	Jul 16, 2023	↓	76th Yamagata Prefectural Championships
2023	10000m	30:35.28	-	Jul 15, 2023	↑	76th Yamagata Prefectural Championships
2022	5000m	14:38.10	-	Jul 9, 2022	↓	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2022	10000m	28:50.40	-	Oct 22, 2022	↑	Athletics Stadium, Konosu (JPN)
2021	1500m	4:06.12	-	Jun 13, 2021	-	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2021	5000m	14:32.89	-	Sep 29, 2021	↓	Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)
2021	10000m	29:32.12	-	Dec 4, 2021	↑	NITTAIDAI Athletic Stadium, Yokohama (JPN)
2021	Semi	1:04:27	-	Nov 14, 2021	↑	Tokyo (JPN)
2020	5000m	14:37.01	-	Oct 24, 2020	↓	-
2020	10000m	31:55.58	-	Nov 22, 2020	↑	Gion Stadium, Sagamihara (JPN)
2019	Semi	1:06:52	-	Nov 10, 2019	↑	Setagaya Half Marathon
2018	5000m	14:23.36	-	Oct 7, 2018	↓	Fukui (JPN)
2017	10Kilometr	29:27	-	Jan 29, 2017	-	Yamagata (JPN)

Discipline	Result	Wind	Date	Competitions
Marathon	2:09:59	-	Mar 1	Tokyo Marathon
30Kilometr	1:30:54	-	Feb 15	58th The Ohme 30 & 10 km Road Race, Ohme
Semi	1:01:49	-	Jan 25	Osaka Half Marathon

Discipline	Result	Wind	Date	Competitions
Semi	1:02:12	-	Oct 19	Tokyo Legacy Half Marathon
10000m	28:51.44	-	Oct 4	1st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo
Marathon	2:07:42	-	Aug 31	TCS Sydney Marathon Presented by ASICS, Sydney
10000m	29:26.40	-	Jul 19	78th Yamagata Prefectural Championships, ND Soft Stadium, Tendo
Semi	1:02:55	-	May 11	Sendai Intemational Half Marathon, Koshin Gom Athlete Park, Sendai
Marathon	2:08:05	-	Mar 2	Tokyo Marathon
30Kilometr	1:30:50	-	Feb 16	57th The Ohme 30 & 10 km Road Race

Discipline	Result	Wind	Date	Competitions
5000m	14:49.32	-	Aug 25	51st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
10000m	30:13.59	-	Aug 25	51st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
10000m	30:13.59	-	Aug 24	51st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
5000m	14:50.02	-	Jul 12	77th Yamagata Prefectural Championships, ND Soft Stadium, Tendo
10000m	30:27.69	-	Jul 12	77th Yamagata Prefectural Championships, ND Soft Stadium, Tendo
Marathon	2:17:55	-	Mar 3	Tokyo Marathon

Discipline	Result	Wind	Date	Competitions
10000m	31:20.33	-	Aug 26	50th Tohoku Games/54th Tohoku Athletics Championships, Athletic Field, Kitakami
10000m	30:35.28	-	Jul 16	76th Yamagata Prefectural Championships
5000m	15:04.31	-	Jul 16	76th Yamagata Prefectural Championships
10000m	30:35.28	-	Jul 15	76th Yamagata Prefectural Championships

Discipline	Result	Wind	Date	Competitions
10000m	28:50.40	-	Oct 22	99th Heisei International University Long Distance Competition, Athletics Stadium, Konosu
5000m	14:38.10	-	Jul 9	5th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa

Discipline	Result	Wind	Date	Competitions
10000m	29:32.12	-	Dec 4	293th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama
Semi	1:04:27	-	Nov 14	Setagaya 246 Half Marathon, Tokyo
10000m	29:39.58	-	Oct 23	13th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
5000m	14:32.89	-	Sep 29	10th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
1500m	4:06.12	-	Jun 13	4th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
5000m	14:44.39	-	Jun 13	4th Waseda University Competition, Mikio Oda Memorial Athletic Field, Tokorozawa
5000m	14:57.67	-	Apr 11	17th Kanto Private School Six Universities vs. School Championships, Athletics Stadium, Konosu

Discipline	Result	Wind	Date	Competitions
10000m	31:55.58	-	Nov 22	99th Kanto District Collegiate Championships, Gion Stadium, Sagamihara
5000m	14:37.01	-	Oct 24	83rd Heisei Kokusai University Long Distance Competition, Athletics Stadium, Konosu

Discipline	Result	Wind	Date	Competitions
Semi	1:06:52	-	Nov 10	Setagaya Half Marathon

Discipline	Result	Wind	Date	Competitions
5000m	14:23.36	-	Oct 7	Fukui 73rd National Sports Festival, Fukui - U20 Events

Discipline	Result	Wind	Date	Competitions
10Kilometr	29:27	-	Jan 29	Yamagata 10 km, Yamagata

FAQ

Frequently asked questions

What is Masato Arao's Marathon personal best?

Masato Arao's Marathon personal best is 2:07:42, set on Aug 31, 2025 in Sydney (AUS), #771 on the all-time list.

Which events does Masato Arao compete in?

Masato Arao competes in the Marathon and Half Marathon.

How did Masato Arao perform in 2026?

2026 season best: 2:09:59, set on Mar 1, 2026 in Tokyo (JPN). Last competition: Tokyo Marathon on Mar 1, 2026, 2:09:59.

Masato Arao

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

Honours

No medals

Frequently asked questions