The Shinjuku City Half Marathon and Residents’ Health Marathon is an annual running event organized by the Shinjuku City Half Marathon Executive Committee, with information provided through its official website. The event welcomes runners and local residents, bringing the community together around running and health. The site shares details for the 2027 event, scheduled for January 31, including race guidelines, course information, entry procedures, and traffic restrictions.

It also provides updates for runners, volunteer opportunities, event activities, and information about sponsors. Visitors can find results and rankings from previous races, frequently asked questions, and practical guidance on entering or volunteering. Additional features include a photo gallery covering past editions, announcements about participation gifts and original merchandise, and information about running clinics.

The website also highlights campaigns and accommodation-linked entry options. Contact details, organizer information, privacy guidance, and a site map are available for users seeking further assistance. Together, these resources help participants and supporters prepare for the event and explore its history