Marathons in Japan
73 upcoming races are listed in Japan, including 40 marathons, 28 half marathons and 10 ultras. The next is Tokyo Legacy Half Marathon 2026 on October 18, 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.
73
Races listed
40
Marathons
November
Busiest month
¥6,000–16,000
Typical entry
24 Jul
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 18 Oct 2026 18Oct 26 | 33. Ultramarathon Okumusashi Quintet - 70km | - | 70K | - |
| 18 Oct 2026 18Oct 26 | Tokyo Legacy Half Marathon 2026 | - | 21.1K | - |
| 24 Oct 2026 24Oct 26 | Jungle Guruguru Max - 43K | - | 43K | - |
| 25 Oct 2026 25Oct 26 | Yokohama Marathon - Oct 25 | Yokohama | 42.2K | - |
| 25 Oct 2026 25Oct 26 | FORESTRAIL HIRUZEN-SHINJO supported by GREENable - 37K | - | 37K | - |
| 25 Oct 2026 25Oct 26 | Kanazawa Marathon | - | 42.2K | - |
| 25 Oct 2026 25Oct 26 | Saiko Eco-Marathon | - | 21.1K · 10K · 5K | - |
| 30 Oct 2026 30Oct 26 | Lake Biwa 100 - 163K | - | 163K | - |
| 1 Nov 2026 01Nov 26 | Ibusuki Nanohana Marathon | - | 42.2K | - |
| 1 Nov 2026 01Nov 26 | Kamogawa Ecomarathon | - | 21.1K · 10K · 5K | - |
| 1 Nov 2026 01Nov 26 | Matsumoto Marathon | Matsumoto | 42.2K · 21.1K | ¥6,000–¥8,000 |
| 1 Nov 2026 01Nov 26 | Nakanoto Treasure Trailrun | - | Ultra | - |
| 2 Nov 2026 02Nov 26 | Yodogawa Ecomarathon | - | 21.1K · 10K · 5K | - |
| 8 Nov 2026 08Nov 26 | Fukuoka Marathon | Fukuoka | 42.2K · 5K | ¥16,000 |
| 14 Nov 2026 14Nov 26 | Kumagawa Revival Trail - 97K | - | 97K | - |
| 15 Nov 2026 15Nov 26 | Kobe Marathon | Kobe | 42.2K | ¥24,200–¥25,200 |
| 20 Nov 2026 20Nov 26 | 20th Nagasaki Tachibana Gulf Coast Super Maranic 276 - 276km | - | 276K | - |
| 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 | - |
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?
Tokyo Legacy Half Marathon 2026 on October 18, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Japan?
November (14), February (13), March (10), counting every upcoming race listed in Japan.
Which distances can I run in Japan?
The listed races include 40 marathons, 28 half marathons, 10 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