Virtual Mt.FUJI100 2025 (Online Marathon) Event Overview

Date Virtual FUJI100mi
: October 2025th (Sat) - 10th (Mon), 4
XNUM X days
Virtual KAI70k
: October 2025th (Thursday) – October 10st (Tuesday), 16
XNUM X days
Virtual ASUMI40k
: October 2025nd (Wednesday) - 10th (Monday), 22
XNUM X days
Sponsorship R-Bees Sports Foundation
Event:
Entry fee
Event Participation fee (tax included)
①Virtual
FUJI100mi
Domestic: 3,000 yen
Overseas: 4,000 yen
②Virtual
KAI70k
③Virtual
ASUMI40k
Participation conditions
  1. Those who can download the GPS app "TATTA" onto their smartphone
  2. It is also possible to enter multiple events (all three events).
Recognition No awards, no rankings
Entry

①Virtual FUJI100mi
: August 2025, 8 (Friday) to September 8, 9 (Wednesday)

②Virtual KAI70k
: August 2025, 8 (Friday) to October 8, 10 (Monday)

③Virtual ASUMI40k
: January 2025 (Friday) to March 8 (Sunday), 8

◎How to enter and tournament participation procedure

Step 1Entry
①Virtual FUJI100mi
②Virtual KAI70k
③Virtual ASUMI40k
  • The entry includes:Register as a RUNNET member (free) is required.
  • If you are already a RUNNET member, you do not need to register. Please check "Change Member Information" to see if there are any changes to your registered information, such as your address.
  • Entry fee: 4,000 yen up to 240 yen, 4,001% (tax included) for 6.0 yen or more
Step 2Tournament period
Virtual FUJI100mi
: October 2025th (Sat) - 10th (Mon), 4
XNUM X days
Virtual KAI70k
: October 2025th (Thursday) – October 10st (Tuesday), 16
XNUM X days
Virtual ASUMI40k
: October 2025nd (Wednesday) - 10th (Monday), 22
XNUM X days

Running app "TATTAPlease use ".

>> Download here

Please check the TATTA recommended environment and update in advance.

*Recommended environment for the TATTA app

The recommended smartphone environment for using the "TATTA" app is as follows.

<Required operating environment (version that can install the app)>

iOS 15.0 or later

Android 8.0 or higher

<Recommended operating environment (recommended version for participating in events such as GPS marathon)>

iOS 16.0 or later

Android 10.0 or higher

Please link your RUNNET ID and password.

Tap "Events" in the TATTA app and check if "Virtual Mt.FUJI100 2025" is displayed. If it is displayed, you're ready to go! (Your entry will be reflected on the same day after the entry procedure.)

Please check here for how to link your GPS watch with GARMIN etc. →https://tatta.runnet.jp/about/

(If you have never used TATTA before) please start TATTA and do a test run before the actual run.

If you run during the period while launching "TATTA" on your smartphone or linking it to a GPS watch, your running distance will be counted.

During the specified period, open TATTA, tap "Start," and run. After running, tap "Stop" and "End," and finally tap "Save." Runs will be automatically tallied by opening the app and running, or by linking the app to a GPS watch such as GARMIN.
  • Only "Running" or "Trail running" activities are counted, so please check your settings.
  • Data from running across the event period, such as from the day before to the day of the event, or from the last day to the day after the event, will not be recorded.
  • If you complete the entered distance within the specified period, you will be considered to have completed the race (cumulative). You do not have to complete the race in one go.
  • It doesn't matter when or where you run.
  • You can choose to make your activity and practice rankings public or private by going to "More" -> "Menu bar" -> "Various settings" at the bottom right of the TATTA screen. We recommend keeping your activity map private.
Step 3After the end

Finisher certificates can also be downloaded from the app.

*This event does not count towards qualification points for Mt.FUJI100 2026.

Step 4Finisher badges will be sent by mail 
Shipped around early December 2025
An original design finisher patch will be sent to all finishers of the FUJI100mi, KAI70k, and ASUMI40k races after the race ends.
*Colors and designs may be subject to change.
Original goods sale(Available for purchase at time of entry)

Virtual Mt.FUJI100 2025 Original T-shirt: 3,000 yen (tax included)
100% polyester (20% BRING Material)

Design may vary slightly from photo.

This will be sent after the tournament ends.
(Expected to ship around early December 2025)

The body of the "BLANK APPAREL™" is made partially from "BRING Material™," a recycled polyester made from recycled textile waste and old clothing.

◎Application Terms and Conditions

Participants must agree to the following application terms before applying.

  1. Changes to the event category, cancellations, transfer of rights, or name changes due to personal reasons after application are not permitted. In addition, refunds of entry fees and other fees will not be accepted for reasons beyond the control of the organizers.
  2. You are free to set your own course, but please choose a time and environment that allows you to ride safely and securely in your area.
  3. Please be sure to follow traffic rules, etiquette, and rules for using parks and other facilities.
  4. Please avoid riding in groups. If you are riding with multiple people, please be careful to keep a sufficient distance between you.
  5. Make sure you are in good physical condition before starting, and if you feel any abnormalities, be sure to stop running.
  6. The organizers will not be held responsible for any injuries, illnesses, incidents, accidents, etc. that may occur during participation in this event. Insurance is not applicable.
  7. The organizers recognize the importance of personal information, and will strictly adhere to the Personal Information Protection Act and related laws and regulations and handle such information in accordance with the organizers' Personal Information Protection Policy. The personal information that they hold will be used for the purpose of improving services for participants in the event, including various participant information, record notifications, information about the next event, services provided by organizations sponsoring, cooperating with, and related to the event, and record announcements.

◎Contact

Virtual Mt.FUJI100 Secretariat

Mail:friendship@mtfuji100.com