Thank you for using ONE TOKYO.
Due to scheduled server maintenance, the ONE TOKYO official website and Tokyo Marathon 2026 My Entry will be unavailable during the period below.

■Maintenance Period
Sunday, May 17, 2026, 9:00 AM – Tuesday, May 19, 2026, 10:00 AM (scheduled)
The end time may change depending on work progress.

During this period, all services will be unavailable, including website access and event applications.
Along with this, registration for the RUN as ONE - GLOBAL Virtual Run Series 2026/2027 2nd Challenge will also be temporarily unavailable.
All services will reopen after the maintenance is completed.
Please note that inquiries requiring confirmation of personal information will be answered after the maintenance period.

We apologize for the inconvenience and appreciate your understanding.