On the race day (Sunday, March 3rd), Tokyo Marathon 2019 will provides the following information services on its official website.
Finishing order and times of the top runners are displayed in real time.
Leaderboards will be available in Japanese/English/Chinese/Korean.
Searchable by the Number Card number or name of the runners and allows the spectators to predict the location of the runners they are cheering on
*You can use this service to arrive at the best locations to cheer on the runners ahead of time.
*This page is only available in Japanese, but you can download the application in Japanese/English. Also, if you click on the icons at the bottom and choose to see the update on PC website or mobile website, it'll be available in Japanese/English/Chinese/Korean.