Endurance Races in Japan 2026
Browse upcoming endurance races in Japan. Find dates, distances, and registration links.
22 upcoming races
Upcoming Races
Triathlon
Osaka Castle Triathlon 2026
May 31 - Jun 1, 2026Osaka, Japan
Swim 1 m | Bike 20 m | Run 5 m
Running
Takayama Sunrise Half Marathon
Jun 9, 2026Takayama, Japan
Run 21 m
Triathlon
Suwako 8 Peaks Middle Distance Triathlon 2026
Jun 28-29, 2026Suwa, Japan
Swim 2 m | Bike 90 m | Run 21 m
Running
Okushimanto TrailRace
Jul 7, 2026Shimanto, Japan
Run 36 m
Running
Hiroshima Marathon
Oct 3, 2026Hiroshima, Japan
Run 42 m
Running
Hakodate Hills Trail
Oct 5-6, 2026Hakodate, Japan
Run 50 m
Running
Niigata City Marathon
Oct 18, 2026Niigata, Japan
Run 42 m
Running
Nara Marathon
Oct 20, 2026Nara, Japan
Run 42 m
Running
Matsumoto Half Marathon
Oct 23, 2026Matsumoto, Japan
Run 21 m
Running
Kanazawa Marathon
Oct 25, 2026Kanazawa, Japan
Run 42 m
Running
Sendai 10K
Oct 28, 2026Sendai, Japan
Run 10 m
Running
Kobe Marathon
Nov 15, 2026Kobe, Japan
Run 42 m
Running
Run Kumamoto Half
Nov 24, 2026Kumamoto, Japan
Run 21 m
Running
Sendai Half Marathon
Dec 1, 2026Sendai, Japan
Run 21 m
Other
Spartan Race Tokyo
Dec 16, 2026Tokyo, Japan
Run 15 m
Running
Sendai Marathon
Dec 25, 2026Sendai, Japan
Run 42 m
Running
Fukuoka Classic Marathon
Jan 10, 2027Fukuoka, Japan
Run 42 m
Running
Ise Spring Marathon
Jan 25, 2027Ise, Japan
Run 42 m
Running
Run Nagano Half
Feb 10, 2027Nagano, Japan
Run 21 m
Running
Kyoto Marathon
Feb 17, 2027Kyoto, Japan
Run 42 m