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Marathon directory

Marathons in Japan

101 upcoming marathons in Japan across 7 cities. Next: Deep Japan Ultra 100 - 78K on June 26, 2026.

101marathons upcoming
7cities
June 26, 2026Next race
5distance types
Deep Japan Ultra 100 - 78K
26JUN
ULTRA
Deep Japan Ultra 100 - 78K
Japan
June 26, 2026 JUN
Lake Saroma 100km Ultra Marathon
28JUN
ULTRA
Lake Saroma 100km Ultra Marathon
Japan
June 28, 2026 Certified
Central Alps Skyline Japan - 89K
04JUL
ULTRA
Central Alps Skyline Japan - 89K
Japan
July 4, 2026 JUL
R.O.C - 115K
04JUL
ULTRA
R.O.C - 115K
Japan
July 4, 2026 JUL
R.O.C - 165K
04JUL
ULTRA
R.O.C - 165K
Japan
July 4, 2026 JUL
“ROCKIN’ BEAR” MYOKO TRAIL RUNNING RACE - 48K
04JUL
ULTRA
“ROCKIN’ BEAR” MYOKO TRAIL RUNNING RACE - 48K
Japan
July 4, 2026 JUL
Central Alps Skyline Japan - 39K
05JUL
42.2K
Central Alps Skyline Japan - 39K
Japan
July 5, 2026 JUL
Himebotaru Torokawadaira trail run - 45K
05JUL
ULTRA
Himebotaru Torokawadaira trail run - 45K
Japan
July 5, 2026 JUL
Japan
18JUL
ULTRA
Osj ONTAKE100 - 161K
Japan
July 18, 2026 JUL
Japan
19JUL
ULTRA
Osj ONTAKE100 - 107K
Japan
July 19, 2026 JUL
Japan
26JUL
42.2K
Daisetsuzan Trail Journey - 40K
Japan
July 26, 2026 JUL
Japan
16AUG
ULTRA
World geopark trailrun - 59K
Japan
August 16, 2026 AUG
Japan
21AUG
ULTRA
13th World Cultural Heritage "Fuji" Foot Race - 101km
Japan
August 21, 2026 AUG
Japan
29AUG
ULTRA
Yacchiro Dragon Trail - 50K
Japan
August 29, 2026 AUG
Japan
30AUG
ULTRA
Fuji Trail Challenge Trail To Be Alive - 101K
Japan
August 30, 2026 AUG
Japan
30AUG
42.2K
Hokkaido Marathon
Japan
August 30, 2026 Certified
Japan
12SEP
ULTRA
SkyViewTrail - 110K
Japan
September 12, 2026 SEP
Japan
12SEP
ULTRA
SkyViewTrail - 137K
Japan
September 12, 2026 SEP
Japan
12SEP
ULTRA
SkyViewTrail - 76K
Japan
September 12, 2026 SEP
Japan
22SEP
21.1K
Ecomarathon Kanazawa
Japan
September 22, 2026 SEP
Japan
26SEP
ULTRA
Flash Trail Challenge Autumn - 79K
Japan
September 26, 2026 SEP
Japan
27SEP
ULTRA
Tsukubarenzan trailrun in ISHIOKA - 71K
Japan
September 27, 2026 SEP
Japan
27SEP
42.2K
Wakasaji Trail Run - 40K
Japan
September 27, 2026 SEP
Japan
04OCT
ULTRA
7th Mine Akiyoshidai Geopark Ultra Marathon - 100km
Japan
October 4, 2026 OCT

List your marathon with verified details

Hosting a marathon in Japan? Submit the official source for free so runners can verify the race before they plan travel.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Already listed in Japan? Open the race and use Update listing. Missing event? Add it for free with the location prefilled.

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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 101 upcoming races by date, distance, registration path, and official source.

  • Next raceDeep Japan Ultra 100 - 78K on June 26, 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.

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