Please see athlete tracking at:
By entering the race number on the day of the race, you can search for the race status of participating athletes.
Download the app from the site below.
https://www.ironman.com/app-tracking-information
https://track.rtrt.me/e/IRM-JAPAN703-2023#/tracker
https://www.multisportaustralia.com.au/races/ironman-703-higashimikawa-japan-2023