10K & 5K RACES — JAPAN

10K & 5K Races in Japan

We list 199 10k & 5k races across 38 prefectures of Japan, 62 of them upcoming. The next one is The 3rd Saeki Full Marathon on Nov 15, 2026. Compare dates, entry fees and deadlines to pick your next race.

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UPCOMING

Upcoming races (62)

November 202624

11.15SUN 2026
RACE IN 4D
Full +6

The 3rd Saeki Full Marathon

Oita · Full Marathon

42.195 KM
3.1/ 5.0
11.15SUN 2026
RACE IN 4D
Half +1EN

MINATO City Half Marathon

Tokyo · To be determined

21.098 KM
1.6/ 5.0
11.21SAT 2026
RACE IN 10D
Full +4

THE CHALLENGE RACE YOKOHAMA 12 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.21SAT 2026
RACE IN 10D
Full +4EN

THE CHALLENGE RACE YOKOHAMA 11 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.21SAT 2026
RACE IN 10D
Full +4EN

THE CHALLENGE RACE YOKOHAMA 10 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 4 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 5 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +1EN

Tsukuba Marathon

Ibaraki · Full Marathon

42.195 KM
3.4/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 4 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
ENTRY: 9D LEFT
Full +5

3rd Sports Mate Run Musashi-Kosugi Tamagawa Marathon

Kanagawa · Full Marathon

42.195 KM
3.6/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 8 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Half +2

Jubilo Iwata Memorial Marathon

Shizuoka · To be determined

21.098 KM
3.5/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 3 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 1 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 2 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 2 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 5 in 2026

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4

THE CHALLENGE RACE TOYOSU 7 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.22SUN 2026
RACE IN 11D
Full +4EN

THE CHALLENGE RACE TOYOSU 3 in 2025

Tokyo · Full Marathon

42.195 KM
2.3/ 5.0
11.23MON 2026
ENTRY: 10D LEFT
Full +3

The 34th UP RUN Higashi-Ojima Komatsugawa Park Marathon ~Long-Distance Special Edition~

Tokyo · Full Marathon

42.195 KM
3.1/ 5.0
11.23MON 2026
RACE IN 12D
Full +5

2025 Watarase Flood Control Reservoir Autumn Marathon

Tochigi · Full Marathon

42.195 KM
3.1/ 5.0
11.28SAT 2026
RACE IN 17D
Full +4EN

Yodogawa Kanpei Marathon

Osaka · Full Marathon

42.195 KM
3.2/ 5.0
11.29SUN 2026
RACE IN 18D
Full +3

The 18th Nagoya Adventure Marathon

Aichi · Full Marathon

42.195 KM
3.4/ 5.0
11.29SUN 2026
RACE IN 18D
Half +1

Koto Seaside Marathon

Tokyo · Half Marathon

21.098 KM
2.8/ 5.0

December 202611

12.05SAT 2026
ENTRY: 4D LEFT
Full +2EN

The 16th Izu-Oshima Marathon

Tokyo · Full Marathon

42.195 KM
4.1/ 5.0
12.06SUN 2026
RACE IN 25D
Half +1

Running on Sakurajima

Kagoshima · To be determined

21.098 KM
3.8/ 5.0
12.06SUN 2026
RACE IN 25D
Half +2

Ihatov Hanamaki Half Marathon

Iwate · To be determined

21.098 KM
3.2/ 5.0
12.06SUN 2026
RACE IN 25D
Full +7EN

Shonan International Marathon

Kanagawa · Full Marathon

42.195 KM
3.4/ 5.0
12.12SAT 2026
Full +1EN

Mt. Fuji Marathon

Yamanashi · Full Marathon

42.195 KM
2.5/ 5.0
12.13SUN 2026
Full +2

Qingdao Pacific Marathon

Miyazaki · To be determined

42.195 KM
3.2/ 5.0
12.13SUN 2026
Half +2

Ishin no Sato Hagi Castle Town Marathon

Yamaguchi · Half Marathon

21.098 KM
3.0/ 5.0
12.13SUN 2026
Half +2

Sano Marathon

Tochigi · Undetermined

21.098 KM
3.9/ 5.0
12.13SUN 2026
Full +4

THE CHALLENGE RACE OSAKA 6

Osaka · Full Marathon

42.195 KM
2.3/ 5.0
12.20SUN 2026
ENTRY: 19D LEFT
Full +5

Kakogawa Running High: End-of-Year Event

Hyogo · Full Marathon

42.195 KM
2.6/ 5.0
12.26SAT 2026
Full +4

THE CHALLENGE RACE YOKOHAMA 13 in 2026

Kanagawa · Full Marathon

42.195 KM
2.3/ 5.0

January 20274

1.24SUN 2027
Half +4

Takatsuki City Half Marathon

Osaka · Full Marathon

21.098 KM
3.2/ 5.0
1.31SUN 2027
Full +2EN

Tateyama Wakashio Marathon

Chiba · To be determined

42.195 KM
3.4/ 5.0
1.31SUN 2027
Full +1

Katsuta National Marathon

Ibaraki · To be determined

42.195 KM
3.9/ 5.0
1.31SUN 2027
Half +1

Shinjuku City Half Marathon

Tokyo · Half Marathon

21.098 KM
3.0/ 5.0

February 202710

2.07SUN 2027
ENTRY: 19D LEFT
Half +1

Kanagawa Marathon

Kanagawa · To be determined

21.098 KM
2.1/ 5.0
2.07SUN 2027
Half +2EN

Kagawa Marugame International Half Marathon

Kagawa · Half Marathon

21.098 KM
2.3/ 5.0
2.13SAT 2027
Full +4

THE CHALLENGE RACE OSAKA 7

Osaka · Full Marathon

42.195 KM
2.3/ 5.0
2.14SUN 2027
Half +2

Hamamatsu City Marathon

Shizuoka · Half Marathon

21.098 KM
2.6/ 5.0
2.21SUN 2027
Full +2EN

Kitakyushu Marathon

Fukuoka · Full Marathon

42.195 KM
3.1/ 5.0
2.21SUN 2027
Full +1

Okinawa Marathon

Okinawa · Full Marathon

42.195 KM
3.6/ 5.0
2.21SUN 2027
Full +2

Ome Marathon

Tokyo · Full Marathon

42.195 KM
3.5/ 5.0
2.28SUN 2027
Full +3

Iwaki Sunshine Marathon

Fukushima · Full Marathon

42.195 KM
2.8/ 5.0
2.28SUN 2027
ENTRY: 5D LEFT
Full +4

Yokoshima Strawberry Marathon / Tamana Idaten Marathon

Kumamoto · To be determined

42.195 KM
3.8/ 5.0
2.28SUN 2027
Full +5

That's Right, Kibi Road Marathon

Okayama · Full Marathon / Half Marathon / 10K / 5K / 3K

42.195 KM
3.7/ 5.0

March 202711

3.06SAT 2027
Full +3

THE CHALLENGE RACE SENDAI 1

Miyagi · Full Marathon

42.195 KM
2.3/ 5.0
3.06SAT 2027
Full +3

THE CHALLENGE RACE SENDAI 2

Miyagi · Full Marathon

42.195 KM
2.3/ 5.0
3.07SUN 2027
ENTRY: 14D LEFT
Half +2EN

Miura International Citizens' Marathon

Kanagawa · Half Marathon / 10K / 5K

21.098 KM
4.0/ 5.0
3.14SUN 2027
ENTRY: 19D LEFT
Full +2EN

Tokushima Marathon

Tokushima · To be determined

42.195 KM
4.0/ 5.0
3.14SUN 2027
Half +3

Tachikawa City Half Marathon

Tokyo · Half Marathon

21.098 KM
3.5/ 5.0
3.14SUN 2027
Half +4

Katsushika Fureai Run Festival

Tokyo · To be determined

21.098 KM
2.7/ 5.0
3.14SUN 2027
Full +2

Marathon Festival Nagoya, Aichi, Japan

Aichi · Half Marathon

42.195 KM
4.5/ 5.0
3.21SUN 2027
Full +4EN

THE CHALLENGE RACE KOBE 1 in 2026

Hyogo · Full Marathon

42.195 KM
2.3/ 5.0
3.21SUN 2027
ENTRY: 23D LEFT
Full +3EN

Itabashi City Marathon

Tokyo · To be determined

42.195 KM
4.0/ 5.0
3.21SUN 2027
Race +1EN

Kagawa Marathon

Kagawa · To be determined

—
1.5/ 5.0
3.25THU 2027
FullEN

Saga Sakura Marathon

Saga · Full Marathon

42.195 KM
3.6/ 5.0

May 20271

5.16SUN 2027
Full +4

Iwate Oshu Kirameki Marathon

Iwate · Full Marathon / 10K / 2K

42.195 KM
3.3/ 5.0

October 20271

10.31SUN 2027
Full +4EN

Yokohama Marathon

Kanagawa · Full Marathon

42.195 KM
4.5/ 5.0

DATE TBA

Date to be announced (13)

HELD RECENTLY

Held recently — next date pending (124)

Sorted by when they're usually held, soonest first. We update the next date once the organizer announces it.

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