Course
Half Marathon21.1 km
5K5 km
Key dates
- ★Race daySun 22 Nov 2026
Date confirmed with the organiser · entry window checked by RunCalendar
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Save Ageo City Half Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
More races in Saitama All ›
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Koedo Kawagoe Half Marathon
Runs past Kawagoe's Edo-era Kurazukuri warehouse street
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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.