Marathons in Japan
80 upcoming races are listed in Japan, including 43 marathons, 28 half marathons and 14 ultras. The next is Tsukubarenzan trailrun in ISHIOKA - 71K on September 27, 2026.
November has the most races, and a typical entry costs ¥6,000–16,000. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
80
Races listed
43
Marathons
November
Busiest month
¥6,000–16,000
Typical entry
24 Jul
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 21 Nov 2026 21Nov 26 | 20th Nagasaki Tachibana Gulf Coast Super Maranic 320 - 320km | - | 320K | - |
| 22 Nov 2026 22Nov 26 | 20th Nagasaki Tachibana Gulf Coast Super Maranic 103 - 103km | - | 103K | - |
| 22 Nov 2026 22Nov 26 | Kyoto Yawata Ecomarathon | - | 21.1K · 10K · 5K | - |
| 23 Nov 2026 23Nov 26 | Hirakata Ecomarathon | - | 21.1K · 10K · 5K | - |
| 29 Nov 2026 29Nov 26 | Mt. Fuji International Marathon | Fujikawaguchiko | 42.2K | ¥10,000–¥12,000 |
| 6 Dec 2026 06Dec 26 | Fukuoka International Marathon | Fukuoka | 42.2K | ¥5,000–¥10,000 |
| 6 Dec 2026 06Dec 26 | Hofu Yomiuri Marathon | - | 42.2K | - |
| 6 Dec 2026 06Dec 26 | Naha Marathon | Naha | 42.2K | ¥7,800–¥9,800 |
| 12 Dec 2026 12Dec 26 | Mount Fuji - ThaiRun Packages | - | 42.2K | - |
| 13 Dec 2026 13Dec 26 | Fukuoka Marathon - Dec 13 | Fukuoka | 42.2K | - |
| 13 Dec 2026 13Dec 26 | Mount Fuji International Marathon | - | 42.2K · 10K | - |
| 13 Dec 2026 13Dec 26 | Nara Marathon | - | 42.2K · 10K | - |
| 27 Dec 2026 27Dec 26 | Ecomarathon of Saïko in December | - | 21.1K · 10K · 5K | - |
| 9 Jan 2027 09Jan 27 | Kamogawa Ecomarathon of January | - | 21.1K · 10K · 5K | - |
| 10 Jan 2027 10Jan 27 | Yodogawa January Ecomarathon | - | 21.1K · 10K · 5K | - |
| 17 Jan 2027 17Jan 27 | Nikotama Ecomarathon | - | 21.1K · 10K · 5K | - |
| 19 Jan 2027 19Jan 27 | Katsuta Marathon | - | 42.2K | - |
| 24 Jan 2027 24Jan 27 | Osaka Women’s Marathon | - | 42.2K · 21.1K | - |
| 31 Jan 2027 31Jan 27 | Beppu-Ōita Marathon | - | 42.2K | - |
| 31 Jan 2027 31Jan 27 | Ehime Marathon | - | 42.2K | - |
| 31 Jan 2027 31Jan 27 | Kagawa Marugame International Half Marathon | - | 21.1K | - |
| 31 Jan 2027 31Jan 27 | Osaka Half Marathon | - | 21.1K | - |
| 7 Feb 2027 07Feb 27 | Ehime Marathon | - | 42.2K | - |
| 7 Feb 2027 07Feb 27 | Kagawa Marugame International Half Marathon | - | 21.1K | - |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Regions
Cities
Common questions
When is the next race in Japan?
Tsukubarenzan trailrun in ISHIOKA - 71K on September 27, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Japan?
November (14), February (13), October (13), counting every upcoming race listed in Japan.
Which distances can I run in Japan?
The listed races include 43 marathons, 28 half marathons, 14 ultras, 23 10Ks and 22 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source