Half marathons in Japan

86 upcoming half marathons in Japan.

78 cities

Busiest: November

From €3

See all 86 races

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Trail Road

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Upcoming races

39th Niimi City Shingo Lakeside Marathon

Niimi, Japan

Nov 1·This weekend·Closed·From €8

Half Marathon

2nd Hotaru-no-Sato Relay Marathon - Half Marathon (21km)

Tatsuno, Japan

Nov 1·This weekend·Closed·From €16

Chikugo River Marathon 2026

Kurume, Japan

Nov 1·This weekend·Closed·From €5

Half Marathon

Ibigawa Marathon 2026 - Half Marathon

Ibigawa, Ibi District, Japan

Nov 8·In 10 days·Closed·From €41

29th Ichikawa Riverside Marathon

Ichikawa, Japan

Nov 8·In 10 days·Closed·From €19

Sadamisaki Marathon 2026

Ikata, Japan

Nov 8·In 10 days·Closed·From €16

Bando City Masakado Half Marathon

Bando, Japan

Nov 8·In 10 days·Registration TBC

21st Setagaya 246 Half Marathon

Setagaya, Tokyo, Japan

Nov 8·In 10 days·Closed·From €5

40th Miyako Salmon Half Marathon

Miyako, Japan

Nov 8·In 10 days·Closed·From €12

Half Marathon

Ibigawa Marathon 2026 [Local (Ibigawa Town Residents) Category] - Half Marathon

Ibigawa, Japan

Nov 8·In 10 days·Closed·From €41

8th Mitoyo City Urashima Marathon

Mitoyo, Japan

Nov 15·In 2 weeks·Closed·From €5

Kawasaki Tamagawa Marathon 2026 [Wheelchair Run (1km)]

Kawasaki, Japan

Nov 15·In 2 weeks·Closed·From €15

18th Tsuwabuki Half Marathon in Nichinan

Nichinan, Japan

Nov 15·In 2 weeks·Closed·From €8

Minato Ward Administration 80th Anniversary MINATO City Half Marathon 2026 [Fun Run] (Minato Ward Residents Only)

Minato City, Japan

Nov 15·In 2 weeks·Closed·From €3

Minato Ward Administration 80th Anniversary MINATO City Half Marathon 2026 (Half / Charity Division)

Minato, Japan

Nov 15·In 2 weeks·Closed·From €3

Kawasaki Tamagawa Marathon 2026 (Half, 10km, Pair Running, 3km, Family Fun Running approx. 1km)

Kawasaki, Japan

Nov 15·In 2 weeks·Closed·Free

33rd Nyuzen Alluvial Fan Marathon (Nyuzen)

Nyuzen, Japan

Nov 15·In 2 weeks·Closed·From €5

51st Yokosuka Seaside Marathon

Yokosuka, Japan

Nov 22·In 3 weeks·Closed·From €18

5th Tsuru Yusui no Sato Run Fest (Tsuru Spring Water Village Run Fest)

Tsuru, Japan

Nov 22·In 3 weeks·Closed·From €5

37th Cha no Kuni Yame Half Marathon

Yame, Japan

Nov 22·In 3 weeks·Closed·From €22

13th Toyosu Seaside Marathon & Relay

Koto-ku, Tokyo, Japan

Nov 28·In 4 weeks·Closes Nov 9·From €10

6th Komatsushima "Headwind" Half Marathon

Komatsushima, Japan

Nov 29·Closed·From €10

40th Imabari Satoyama Marathon

Imabari, Japan

Nov 29·Closed·From €5

15th Joshu Fujioka Silk Marathon

Fujioka, Japan

Nov 29·Closed·From €8

2026 Ninja no Sato Iga Ueno City Marathon

Iga, Japan

Nov 29·Closed·From €11

The 25th Botchan Run Run Run

Matsuyama, Japan

Dec 5·Closed·From €8

Nagoya Shachihoko Trial vol.10

名古屋市, Japan

Dec 5·Closes Nov 15·From €3

Noguchi Mizuki Cup 2026 Chunichi Mie Oise-san Marathon

Ise, Japan

Dec 5·Closed·From €5

43rd Akune Bontan Road Race

阿久根市 (Akune), Japan

Dec 6·Closed·From €5

2026 Miracle Single Pine Marathon

Rikuzentakata, Japan

Dec 6·Closed·From €8

Half Marathon

46th Running Sakurajima - Half Marathon (21.0975km)

Kagoshima City, Japan

Dec 6·Closed·From €27

Ring of Red 13th Ono Half Marathon 2026 (Furusato Nozei Slot)

Ono, Japan

Dec 6·Closed·From €136

Ring of Red 13th Ono Half Marathon 2026

Ono, Japan

Dec 6·Closed·From €5

39th Nomaoi-no-Sato Health Marathon and 21st Walking Festival

Minamisoma, Japan

Dec 6·Closed·From €3

38th Kappa Half Marathon

Tome, Japan

Dec 6·Closed·From €11

2026 Yawata City Citizens Marathon

Yawata, Japan

Dec 6·Closed·From €3

10th Akagane Marathon (Niihama City Administration 90th Anniversary Pre-Event)

Niihama, Japan

Dec 6·Closed·From €8

46th Gunma Safari Tomioka Marathon [3km]

Tomioka, Japan

Dec 13·Closed·From €5

22nd Sano Marathon

Sano, Japan

Dec 13·Closed·From €5

46th Gunma Safari Tomioka Marathon

Tomioka, Japan

Dec 13·Closed·From €5

34th Ogawa Washi Marathon

Ogawa, Japan

Dec 13·Closed·From €3

Toda Marathon in Saiko 2026 (Toda City Residents Priority Slot)

Toda, Japan

Dec 13·Closed·From €5

Sayo Horumon Yaki Udon Relay Marathon 2026

Sayo, Japan

Dec 13·Closed·From €3

15th Adachi Friendly Half Marathon

Adachi, Japan

Dec 20·Closed·From €14

PILLAR Co., Ltd. Presents the 38th Sanda International Masters Marathon [JAAF Certification Applied For]

Sanda, Japan

Dec 20·Closed·From €5

43rd Osaka New Year Marathon

Sakai, Japan

Jan 10, 2027·From €11

Kamogawa January Ecomarathon 2027

Kyoto, Japan

Jan 11, 2027

19th Kudoyama World Heritage Marathon (Late Entry)

九度山町（Kudoyama）, Japan

Jan 17, 2027·Free

46th Frostbite Road Race

福生市 (Fussa), Japan

Jan 17, 2027·Closes Nov 12·From €22

19th Kudoyama World Heritage Marathon

Kudoyama-cho, Ito-gun, Japan

Jan 17, 2027·Closes Oct 31·Free

35th Takatsuki Half Marathon

Takatsuki, Japan

Jan 24, 2027·Closes Oct 30·From €8

10th Mimatan Kirishima Panorama Marathon

Mimata, Japan

Jan 24, 2027·Closes Nov 13·From €8

33rd Mimasaka City F1 Road Marathon in Okayama International Circuit

Mimasaka, Japan

Jan 24, 2027·Closes Nov 25·From €8

55th Tatsuno City Plum and Tide Scent Marathon

Tatsuno, Japan

Jan 31, 2027·Closes Nov 20·From €11

Fuji Marathon Festa 2027 in FUJI SPEEDWAY

Oyama, Japan

Jan 31, 2027·Closes Nov 26·From €11

50th Anniversary of the Oshima Bridge Opening: 41st Southern Seto Oshima Road Race

Suo-Oshima, Japan

Feb 7, 2027·From €11

The 43rd Moriya Half Marathon (Moriya Citizens Priority Slot)

Moriya, Japan

Feb 7, 2027·Closed·From €14

38th Asahi City Iioka Shiosai Marathon

Asahi, Japan

Feb 7, 2027·From €5

The 49th Kanagawa Marathon [10km]

Yokohama, Japan

Feb 7, 2027·From €14

The 43rd Moriya Half Marathon [Entry with accommodation]

Moriya, Japan

Feb 7, 2027·Closes Nov 15·From €14

View all 86 races

Your guide to half marathons in Japan

There are 86 upcoming half marathons in Japan, spread across 78 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.

Most take place in November, December and February. Next up is 39th Niimi City Shingo Lakeside Marathon - Half Marathon (21.0975km) in Niimi on 1 November 2026.

Questions runners ask

How many half marathons in Japan are there?

Finndu lists 86 upcoming half marathons in Japan, across 78 towns and cities. The list is updated twice a day as organisers announce new races.

When is the next one?

39th Niimi City Shingo Lakeside Marathon in Niimi, on 1 November 2026.

Which month has the most half marathons in Japan?

November, followed by December and February.

How much does it cost to enter?

Entry starts from JP¥500. Fees vary from race to race, so check each race page for its current price.

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Half marathons in Japan

Upcoming races

Your guide to half marathons in Japan

Questions runners ask

How many half marathons in Japan are there?

When is the next one?

Which month has the most half marathons in Japan?

How much does it cost to enter?

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