春SPRING
Entry Closed
Iwate
May 17, 2026
Iwate Oshu Kirameki Marathon
EntryNovember 28, 2025 〜 February 15, 2026
Distance
42.195km、10km
Entry Fee
¥3,000〜
2026 Season
Marathon Races
79 races listed across Japan
45 races
春SPRING
Entry Closed
Hokkaido
May 17, 2026
Lake Toya Marathon
EntryFebruary 1, 2026 〜 March 8, 2026
HokkaidoScenicLakeside
Distance
42.195km
Entry Fee
—
夏SUMMER
Entry Closed
Nagano
June 5, 2026
Okushinano 100 Trail Running Race
EntryDecember 14, 2025 〜 May 10, 2026
HillyAlpsUltra Marathon
Distance
100km、50km、25km、8km
Entry Fee
¥5,000〜
夏SUMMER
Entry Closed
Yamagata
June 7, 2026
Sakuranbo Marathon
EntryFebruary 1, 2026 〜 March 31, 2026
Local FoodBeginner FriendlySummer Race
Distance
21.0975km、10km、5km
Entry Fee
¥5,500〜
夏SUMMER
Entry Closed
Chiba
June 14, 2026
Tomisato Suika Road Race
EntryFebruary 22, 2026 〜 April 4, 2026
Local AidLocal FoodGood Value
Distance
10km、7km
Entry Fee
¥6,500
夏SUMMER
Entry Open
Nagano
July 18, 2026
OSJ ONTAKE100
EntryFebruary 1, 2026 〜 June 14, 2026
Ultra MarathonHillyScenic
Distance
163km、109km
Entry Fee
¥19,000〜
夏SUMMER
Entry Closed
Yamanashi
July 24, 2026
FUJI MOUNTAIN RACE
EntryMarch 28, 2026 〜 April 6, 2026
Distance
21km、15km
Entry Fee
¥14,000〜
夏SUMMER
Entry Open
Nagano
August 28, 2026
SHIGA KOGEN 100
EntryApril 5, 2026 〜 July 27, 2026
Ultra MarathonFirst UltraScenic
Distance
100km、40km、18km
Entry Fee
¥7,500〜
夏SUMMER
Entry Closed
Hokkaido
August 30, 2026
Hokkaido Marathon
EntryMarch 29, 2026 〜 April 24, 2026
HokkaidoSummer RaceLarge Scale
Distance
42.195km
Entry Fee
¥16,500
秋AUTUMN
Entry Open
Hokkaido
September 6, 2026
Wakkanai Peace Marathon
EntryApril 1, 2026 〜 June 30, 2026
日本最北端絶景Coastal
Distance
42.195km
Entry Fee
¥10,000
秋AUTUMN
Entry Open
Yamanashi
September 13, 2026
Mt.FUJI CLIMB RUN
EntryApril 24, 2026 〜 July 31, 2026
Distance
12km
Entry Fee
¥15,000
秋AUTUMN
Entry Open
Akita
September 20, 2026
TAZAWAKO MARATHON
EntryApril 1, 2026 〜 May 27, 2026
Distance
42.195km、20km、10km
Entry Fee
¥6,000〜
秋AUTUMN
Entry Closed
Niigata
September 21, 2026
SHINETSU FIVE MOUNTAINS TRAIL 100mile/110km
EntryApril 8, 2026 〜 April 15, 2026
Ultra Marathon
Distance
163km、112km
Entry Fee
¥35,000〜
秋AUTUMN
Entry Open
Hokkaido
September 27, 2026
Okhotsk Abashiri Marathon
EntryApril 1, 2026 〜 July 16, 2026
Distance
42.195km
Entry Fee
¥12,000
秋AUTUMN
Entry Open
Akita
September 27, 2026
Latitude 40° Akita Nairiku Resort Cup 100km Challenge Marathon
EntryApril 1, 2026 〜 June 30, 2026
Ultra MarathonHillyLocal Aid
Distance
100km、70km、50km
Entry Fee
¥18,000〜
秋AUTUMN
Entry Open
Hokkaido
September 27, 2026
Asahikawa Half Marathon
EntryApril 1, 2026 〜 July 26, 2026
HokkaidoScenicLocal Food
Distance
21.0975km、10km
Entry Fee
¥4,500〜
秋AUTUMN
Entry Open
Iwate
September 27, 2026
Ichinoseki International Half Marathon
EntryApril 1, 2026 〜 June 30, 2026
Flat CourseJAAF CertifiedFast Course
Distance
21.0975km、10km
Entry Fee
¥6,000
秋AUTUMN
Entry Open
Kanagawa
October 4, 2026
East Japan Half Marathon
EntryApril 1, 2026 〜 August 17, 2026
Flat CourseBeginner FriendlySightseeing
Distance
21.0975km、8km
Entry Fee
¥3,500〜
秋AUTUMN
Entry Open
Iwate
October 4, 2026
Iwate Morioka City Marathon
EntryApril 1, 2026 〜 July 20, 2026
Distance
42.195km
Entry Fee
¥12,000
秋AUTUMN
Entry Open
Niigata
October 11, 2026
NIIGATA CITY MARATHON
EntryApril 8, 2026 〜 June 30, 2026
Distance
42.195km
Entry Fee
¥12,500
秋AUTUMN
Entry Open
Nagasaki
October 17, 2026
IKI ULTRA MARATHON
EntryApril 10, 2026 〜 July 17, 2026
Ultra Marathon
Distance
100km、50km
Entry Fee
¥15,000〜
秋AUTUMN
Closing Soon
Ishikawa
October 25, 2026
Kanazawa Marathon
EntryApril 10, 2026 〜 May 20, 2026
Rich Local AidCastle TownScenic
Distance
42.195km
Entry Fee
¥14,000
秋AUTUMN
Entry Closed
Ibaraki
October 25, 2026
Mito Komon Manyu Marathon
EntryApril 16, 2026 〜 June 30, 2026
ScenicSightseeing
Distance
42.195km
Entry Fee
¥10,000
秋AUTUMN
Entry Open
Shizuoka
October 25, 2026
SHIMADA OIGAWA MARATHON
EntryMay 1, 2026 〜 June 30, 2026
Distance
42.195km、10km
Entry Fee
¥5,000〜
秋AUTUMN
Entry Closed
Kanagawa
October 25, 2026
Yokohama Marathon
EntryApril 8, 2026 〜 May 8, 2026
Large ScaleScenicCoastal
Distance
42.195km
Entry Fee
—
秋AUTUMN
Opens Soon
Yamaguchi
November 1, 2026
Kaikyo Marathon Shimonoseki
EntryMay 15, 2026 〜 July 12, 2026
海峡絶景Rich Local Aid
Distance
42.195km
Entry Fee
¥12,000
秋AUTUMN
Entry Open
Osaka
November 1, 2026
Osaka Yodo-River Citizens Marathon
EntryApril 17, 2026 〜 September 27, 2026
Distance
42.195km、21km、10km
Entry Fee
¥4,900〜
秋AUTUMN
Entry Open
Toyama
November 1, 2026
Toyama Marathon
EntryApril 11, 2026 〜 June 30, 2026
ScenicBridge Course
Distance
42.195km
Entry Fee
¥14,000
秋AUTUMN
Entry Open
Gunma
November 3, 2026
Gunma Marathon
EntryApril 9, 2026 〜 August 17, 2026
Scenic
Distance
42.195km、10km
Entry Fee
¥6,500〜
秋AUTUMN
Nagano
November 8, 2026
Matsumoto Marathon
EntryTBA
Castle TownScenicAlps
Distance
42.195km
Entry Fee
¥12,000
秋AUTUMN
Opens Soon
Chiba
November 8, 2026
Chiba Aqualine Marathon
EntryMarch 22, 2026 〜 April 12, 2026 +1 more
Large ScaleJAAF CertifiedScenic
Distance
42.195km、21.0975km
Entry Fee
¥13,500〜
秋AUTUMN
Closing Soon
Fukuoka
November 8, 2026
Fukuoka Marathon
EntryApril 20, 2026 〜 May 20, 2026
Coastal
Distance
42.195km
Entry Fee
¥16,000
秋AUTUMN
Closing Soon
Okayama
November 8, 2026
Okayama Marathon
EntryApril 16, 2026 〜 May 18, 2026
Castle TownSightseeing
Distance
42.195km
Entry Fee
—
秋AUTUMN
Entry Open
Ibaraki
November 15, 2026
Hitachi Sea Side Marathon
EntryApril 13, 2026 〜 August 31, 2026
Distance
42.195km
Entry Fee
¥10,000
秋AUTUMN
Entry Open
Hyogo
November 15, 2026
Kobe Marathon
EntryApril 17, 2026 〜 June 1, 2026
Large ScaleJAAF CertifiedScenic
Distance
42.195km
Entry Fee
¥18,000
秋AUTUMN
Closing Soon
Kyoto
November 22, 2026
Fukuchiyama Marathon
EntryMay 1, 2026 〜 May 17, 2026 +2 more
Long-running Race
Distance
42.195km
Entry Fee
¥11,000
秋AUTUMN
Opens Soon
Ibaraki
November 22, 2026
Tsukuba Marathon
EntryJuly 5, 2026 〜 July 27, 2026
Flat CourseFast Course
Distance
42.195km
Entry Fee
—
冬WINTER
Fukuoka
December 6, 2026
Fukuoka International Marathon
EntryTBA
Elite RaceJAAF CertifiedLong-running Race
Distance
42.195km
Entry Fee
—
冬WINTER
Yamaguchi
December 6, 2026
Hofu Yomiuri Marathon
EntryTBA
Elite RaceJAAF CertifiedFast Course
Distance
42.195km
Entry Fee
—
冬WINTER
Okinawa
December 6, 2026
NAHA Marathon
EntryTBA
Large ScaleWarm ClimateOkinawa
Distance
42.195km
Entry Fee
—
冬WINTER
Entry Open
Kanagawa
December 6, 2026
Shonan International Marathon
EntryApril 4, 2026 〜 September 9, 2026
Mt. FujiScenicCoastal
Distance
42.195km、10km
Entry Fee
¥8,500〜
冬WINTER
Entry Open
Yamanashi
December 13, 2026
Mt. Fuji Marathon
EntryMay 7, 2026 〜 August 31, 2026
Mt. FujiScenicLakeside
Distance
42.195km
Entry Fee
¥12,900
冬WINTER
Nara
December 13, 2026
Nara Marathon
EntryTBA
World HeritageSightseeingHilly
Distance
42.195km
Entry Fee
—
冬WINTER
Mie
December 20, 2026
Mie Matsusaka Marathon
EntryTBA
Local Food
Distance
42.195km
Entry Fee
—
春SPRING
Opens Soon
Tokyo
March 7, 2027
Tokyo Marathon
EntryAugust 14, 2026 〜 August 28, 2026
Flat CourseWorld MajorsBeginner Friendly
Distance
42.195km
Entry Fee
—