How to Enter / Tournament Participation Process

Step 1Entry period: March 26th (Thu) - April 28th (Tue), 2026

① Full marathon (42.195km)

② Half Marathon (21.0975km)

③ Fun Run (10km)

• 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 yen or more

OVERSEAS ENTRY

ENTRY from Overseas

Step 2Tournament period (May 9th (Sat) - May 18th (Mon), 2026)

Running app "TATTAPlease use ".

click here to download

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• 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 in which the app can be installed)>

iOS 15.0 or higher Android 8.0 or higher

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

iOS 16.0 or higher Android 10.0 or higher

Please link your RUNNET ID and password.

Tap "Events" in the TATTA app and check if "Road to the Mt. Fuji International Marathon 2026 TATTA RUN" is displayed.
If it's displayed, you're ready! (It will be reflected immediately after the entry procedure.)

For instructions on how to connect your GPS watch (such as a Garmin), please see here →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 runs that span across the event period, from Friday, May 8th (the day before the event) to Saturday, May 9th (the day of the event), and from Monday, May 18th (the final day) to Tuesday, May 19th (the following day), will not be registered as records.
• The time and place of running (or walking) don't matter.
• 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.

Mt. Fuji International Marathon 2026 TATTA RUN Spring Original Athlete Bibs (Number Card)

For the Mt. Fuji International Marathon online event, we are providing athlete bibs that can be downloaded from the web.
Let's run through the summer together with runners from all over the country, wearing our original athlete bibs, as we work towards achieving our goals. On the day of the event, writing a message or your target time on the bib might give you extra motivation!

Step 3After the end

Finisher certificates can also be downloaded from the app.
Additionally, you can download an original template and fill in your own results.

Step 4Finisher medals will be mailed (late July 2026).

All entrants will receive an original sleeveless shirt exclusive to the event, and finishers will receive a finisher's medal after the event.

Road to the Mt. Fuji International Marathon 2026: TATTA RUN Series Spring Race Limited Edition Original Sleeveless Shirt

Sleeveless shirts will be given to everyone who has entered the contest.

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Mount Fuji Marathon Sleeveless Shirt
Size Specifications Chart

*Please scroll horizontally on your smartphone to view the full content.

Location	SS	S	M	L	XL
Length	62	65	68	71	74
Body wrap	42	45	48	51	54
Shawl	34	36	38	40	42
hem width	42	45	48	51	54
Armhole (straight line)	21	22	23	24	25
Ballinder width	2	2	2	2	2
Heavenly cloth	17.5	17.5	18	18.5	19
Front collar drop	9	9	9.5	10	10.5
Back neckline drop	2.5	2.5	2.5	2.5	2.5
単位：cm

Application Terms

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. Participants must acknowledge in advance that photographs and videos taken during the competition may be used in Monthly Runners, RUNNET (Run Japan), the official tournament website, social media, etc., and must entrust their portrait rights to the organizers.
8. 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.

Privacy Policy

The R-Bies Sports Foundation and R-Bees Co., Ltd. (hereinafter referred to as "the Company") recognize the importance of personal information and will strictly adhere to the Act on the Protection of Personal Information and related laws and regulations, and will strive to properly manage and protect personal information and handle it appropriately based on the following policy.

1. What information do we collect?
   Our company acquires personal information through lawful and fair means. Furthermore, if sensitive personal information becomes necessary, we will obtain the individual's consent before acquiring it.
2. Use of Personal Information
   Our company will use personal information only within the scope of the purposes of use indicated at the time of acquisition, and only to the extent necessary for carrying out our business operations. The personal information we acquire will be used primarily for the following purposes:
   

   [For the purpose of confirming and sending products, competitions, tours, and other services.]

   Confirmation and delivery of magazine, book, and product purchases.
   Confirmation of tournament/tour registration and sending of participant information.
   Membership service registration confirmation and sending of information.
   Confirmation of magazine subscription and sending of information.
   Confirmation of gifts and surveys, and sending of information.
   Email distribution service registration confirmation and distribution.
   Confirmation of applications for events, seminars, campaigns, etc., and sending of information.

   [For the purpose of providing, improving, and developing services such as products, competitions, and tours]

   New product, new magazine, and new website announcements
   Tournament and Tour Announcements
   Service information from sponsoring companies of tournaments, tours, etc.
   Surveys for magazines, products, competitions, tours, etc.
   Record compilation and announcement in rankings
   Compilation of medical support and injury data for the tournament.

3. Regarding the outsourcing of personal information to third parties
   When we share personal information with a third party or entrust the handling of personal information acquisition to a third party, we conduct a thorough investigation of the third party and provide appropriate supervision to ensure confidentiality.
4. About third-party provision of personal information
   We will not provide personal information to a third party without the prior consent of the person, except as required by law.
5. How do we protect your information?
   Our company maintains the accuracy of personal information and manages it securely.
   Our company takes appropriate security measures against unauthorized access, computer viruses, etc., to prevent the loss, destruction, alteration, and leakage of personal information.
6. Disclosure, correction, suspension of use, and deletion of personal information
   We recognize that individuals have the right to request disclosure, correction, cessation of use, or deletion of their personal information. When such requests are made, we will promptly respond after verifying that the person making the request is the individual concerned.
7. Development, implementation, maintenance, and improvement of personal information protection compliance programs
   To implement this policy, our company has established a personal information protection compliance program (including this policy, the "Personal Information Protection Regulations," and other regulations and rules), and will ensure that it is thoroughly understood and implemented by our employees and other relevant parties, maintain it, and continuously improve it.
8. Contact information for inquiries regarding our handling of personal information, etc.
   

   For inquiries regarding our handling of personal information, please contact us at the following address.

   2-4-12 Jingumae, Shibuya-ku, Tokyo 150-0001, Japan DT Gaien
   R-Bies Co., Ltd. (Representative Director: Yu Kurosaki) Event Business Division
   【Contact Us】https://runnet.jp/form12/pub/runnet/mtfuji_inq

Handling of Personal Information

The organizers recognize the importance of personal information and will strictly adhere to the Personal Information Protection Law and related laws and regulations, handling personal information in accordance with the organizers' personal information protection policy. This information will be used to improve services for tournament participants, including sending participation guides, results notifications, related information, announcements for future tournaments, provision of services from tournament sponsors, collaborators, and related organizations, and publication of results (rankings, etc.). The organizers or their contractors may also contact you to confirm details regarding your application.