Marathons in Ibaraki

Ibaraki is home to 4 marathons in our database in Japan, spread across cities including Hitachi, Mito, Tsuchiura, and Tsukuba. Kasumigaura Marathon is the largest race in the lineup, typically drawing around 12,000 finishers, while the full spread offers everything from fast urban courses to scenic regional events. Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line. Plan by month on our marathon calendar or filter by country and region.

Hitachi Seaside Marathon
Mito Komon Marathon

Nearby Marathons

Other races closest to Ibaraki.

Otawara Marathon