Registration is opening
Thank you for your huge interest in the Osaka Castle Triathlon 2023!
Please note that the following schedule may be subject to change. Check back to see the latest information.
The following entry information is for OVERSEAS age-group participants only.
December 23rd, 2022
Online Registration Opening
Osaka Castle Triathlon 2023 online registration will open on December 23, 2022.The link to entry form will be available in this location at 8:00 PM (GMT +9, Japan time).
March 31st, 2023
Online Registration Closing
Online registration will CLOSE on March 31st, 2023.
Entry Fee (JPY)
550(Included Japanese athletes)
320(Included Japanese athletes)
*One-day registration with the NF (National Federation) is required at the time of application (included in the entry fee).
Registration page is here
*For foreign nationals living in Japan and Japanese nationals living overseas, please go here and requires the 2023 JTU membership or JTU academic federations membership. Please register with the prefectural triathlon union/association where you are based in Japan (URL), and then apply through the General Entry.