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43 marathons found for Full marathon, Japan. Keep the list broad first, then tighten the filters when a race looks realistic.





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Japan
27SEP
42.2K
Wakasaji Trail Run - 40K
Japan
September 27, 2026 SEP
Japan
04OCT
42.2K
Iwate Morioka City Marathon
Japan
October 4, 2026 OCT
Japan
11OCT
42.2K
Niigata City Marathon
Japan
October 11, 2026 OCT
Japan
24OCT
42.2K
Jungle Guruguru Max - 43K
Japan
October 24, 2026 OCT
Yokohama, Kanagawa, Japan
25OCT
42.2K
Yokohama Marathon - Oct 25
Yokohama, Kanagawa, Japan
October 25, 2026 OCT
Japan
25OCT
42.2K
FORESTRAIL HIRUZEN-SHINJO supported by GREENable - 37K
Japan
October 25, 2026 OCT
Japan
25OCT
42.2K
Kanazawa Marathon
Japan
October 25, 2026 Certified
Japan
01NOV
42.2K
Ibusuki Nanohana Marathon
Japan
November 1, 2026 NOV
Matsumoto, Nagano, Japan
01NOV
42.2K
Matsumoto Marathon
Matsumoto, Nagano, Japan
November 1, 2026 BQ Qualifier
Fukuoka, Japan
08NOV
42.2K
Fukuoka Marathon
Fukuoka, Japan
November 8, 2026 BQ Qualifier
Kobe, Hyogo, Japan
15NOV
42.2K
Kobe Marathon
Kobe, Hyogo, Japan
November 15, 2026 BQ Qualifier
Fujikawaguchiko, Yamanashi, Japan
29NOV
42.2K
Mt. Fuji International Marathon
Fujikawaguchiko, Yamanashi, Japan
November 29, 2026 Certified
Fukuoka, Japan
06DEC
42.2K
Fukuoka International Marathon
Fukuoka, Japan
December 6, 2026 Certified
Japan
06DEC
42.2K
Hofu Yomiuri Marathon
Japan
December 6, 2026 Certified
Naha, Okinawa, Japan
06DEC
42.2K
Naha Marathon
Naha, Okinawa, Japan
December 6, 2026 Certified
Japan
12DEC
42.2K
Mount Fuji - ThaiRun Packages
Japan
December 12, 2026 DEC
Fukuoka, Japan
13DEC
42.2K
Fukuoka Marathon - Dec 13
Fukuoka, Japan
December 13, 2026 DEC
Japan
13DEC
42.2K
Mount Fuji International Marathon
Japan
December 13, 2026 DEC
Japan
13DEC
42.2K
Nara Marathon
Japan
December 13, 2026 DEC
Japan
19JAN
42.2K
Katsuta Marathon
Japan
January 19, 2027 JAN
Japan
24JAN
42.2K
Osaka Women’s Marathon
Japan
January 24, 2027 JAN
Japan
31JAN
42.2K
Beppu-Ōita Marathon
Japan
January 31, 2027 JAN
Japan
31JAN
42.2K
Ehime Marathon
Japan
January 31, 2027 JAN
Japan
07FEB
42.2K
Ehime Marathon
Japan
February 7, 2027 Certified

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