Marathon directory
Marathons in Japan
103 upcoming marathons in Japan across 7 cities. Next: Kaga Spa Trail Endurance 100 Japan by UTMB® on June 20, 2026.
103marathons upcoming
7cities
June 20, 2026Next race
5distance types
List your marathon with verified details
Hosting a marathon in Japan? Submit the official source so runners can verify the race before they register.
- $199 paid review
- Official source verification
- Runner-ready listing
- Organizer dashboard
Already listed in Japan? Open the race and use Update listing. Missing event? Start here with the location prefilled.
Japan
23APR
ULTRA
Mt.Fuji 100
Japan
APR
Japan
25APR
21.1K
Gifu Half Marathon
Japan
Certified
Japan
02MAY
ULTRA
3rd World Heritage Pilgrimage Triangle 225km - 225km
Japan
MAY
Japan
02MAY
21.1K
Yodogawa May Eco-Marathon
Japan
MAY
Japan
04MAY
21.1K
Hirakata May Eco-Marathon
Japan
MAY
Japan
05MAY
21.1K
Kyoto Yawata Eco-marathon in May
Japan
MAY
Japan
09MAY
21.1K
Kanazawa May Ecomarathon
Japan
MAY
Browse within Japan
Regions
| Place | Marathons |
|---|---|
| Fukuoka | 3 |
| Hyogo | 1 |
| Kanagawa | 1 |
| Nagano | 1 |
| Okinawa | 1 |
| Yamanashi | 1 |
Cities
| Place | Marathons |
|---|---|
| Fukuoka | 2 |
| Fujikawaguchiko, Yamanashi | 1 |
| Fukuoka | 1 |
| Kobe, Hyogo | 1 |
| Matsumoto, Nagano | 1 |
| Naha, Okinawa | 1 |
| Yokohama, Kanagawa | 1 |
Planning notes for Japan
Use this country page to shortlist 103 upcoming races by date, distance, registration path, and official source.
- Next raceKaga Spa Trail Endurance 100 Japan by UTMB® on June 20, 2026
- Busy monthsNovember (14), February (13), October (13)
- DistancesMarathon, Half marathon, Ultra, 10K, 5K
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.