Course
Ultra 100100 km
Ultra 7070 km
Ultra 5050 km
Key dates
- ★Race dayJune 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
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Save Iwate Ginga 100km Challenge Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Iwate Ginga 100km Challenge Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.