Sponsor
Concept
Run together, unite the bonds between Japan and the U.S.! Pass the sash in a relay and make it a day full of smiles and energy! Join this exciting exchange event where hearts come together across borders. Beginners are more than welcome!

Race
Information
Event Information
| Event Name | Japan-U.S. Friendship Relay Marathon 2026 in Iwakuni |
|---|---|
| Organizer | Iwakuni City |
| Supervising Organization | Iwakuni Corporate Association (General Incorporated Association) |
| Supporters | MCAS Iwakuni, Iwakuni Sports Association (Public Interest Incorporated Foundation), Iwakuni Chamber of Commerce and Industry |
| Sponsors | JA Yamaguchi-ken, Youme Town Minami Iwakuni, The Yamaguchi Bank, Ltd., American Engineering Corporation |
| Date |
Sunday, December 6, 2026 *The event will be held rain or shine. |
| Venue | Atago Sports Complex Athletic Stadium (2-chome Atago-machi, Iwakuni City, Yamaguchi Prefecture) |
| Course | Relay marathon course in the venue (approx. 1.4 km per lap) |
| Categories |
Teams (or Runners) Matching System for International Exchange Division Runners
|
| Time Limit | 3 hours |
| Maximum Number of Teams | 170 teams (4 to 15 runners per team) Registration operates on a first-come, first-served basis. (Breakdown: 145 Japanese teams, 25 U.S. teams) |
| Participation Fee | Adults: 2,000 yen/person High school students: 1,500 yen/person Junior high school students and under: 1,000 yen/person |
| Participation Prize | Original Neck Tube |
| Awards | Division Race 1st to 3rd place, Costume awards 1st to 3rd place, Surprise awards |
| Eligibility |
Healthy participants, elementary school age or older, who can complete one lap (1.4 km) on their own.
|
| Entry Period |
Priority Entry (Residents of Iwakuni City & sister cities Ginowan City and Tottori City) General Entry |
| Entry Method |
Priority Entry (Iwakuni City & sister city residents) Additional Entry (Available after entry)
|
| Information |
|
Guest Runner

Misako Yasuda,
Talent
Born on April 21, 1982, in Uji, Kyoto Prefecture. She won the “Miss Young Magazine” title in 2002 and began her career as a television personality and actress. Her acting credits include NHK’s morning drama series “Carnation.” She currently appears regularly on the TBS Radio program “Oshiete! Kabegami no Koto.” She is also known as an avid runner, having completed the Nagoya Women’s Marathon in approximately 3 hours and 44 minutes. In addition to producing her own product brand, “FOUR O FIVE,” she is a mother of two and shares content on lifestyle and food education.
Matching with Guest Runner
Teams wishing to run with the guest runner should select “Wish to match with the guest runner” on the online application form. One team will be selected by lottery.
MC

Don Purdy (Bilingual MC)
A bilingual MC and announcer for a wide range of sports, including basketball, triathlon, track and field, and rugby. He also works in commercial voice-over, narration, corporate and international events, and translation. Based in Okinawa, he works at events throughout Japan.
Schedule
Sunday, December 6
| 6:30 | Parking opens |
|---|---|
| 8:20 | Reception opens |
| 9:05 | Attraction |
| 9:20 | Reception closes Opening Ceremony begins |
| 9:35 | Zumba |
| 10:00 | Relay Marathon Start |
|---|---|
| 13:00 | Relay Marathon Time Limit |
| 13:15 | Award Ceremony |
| 14:00 | Event Ends |
Course

Event Rules
Race
- Each team must consist of 4 to 15 members.
- Each runner must complete at least one lap.
- The order of runners and number of laps per runner are up to each team. A runner may run again after resting.
- The tasuki (sash) will be provided by the organizer.
- Exchange the sash only within the designated relay zone. Exchanges outside the designated zone are prohibited.
- Lap counts and times will be recorded by the organizer.
- Timing will be managed using the IC chip attached to the sash, which will be distributed to each team (one per team).
- Running without the official sash, or using another team’s sash, will result in no time being recorded. Only sashes provided by the organizer may be used.
- After the 3-hour limit, new laps may not be started. Runners already on the course should proceed to the finish line. If teams have the same lap count, rankings will be decided by time.
- The sash must be returned after the race. In case of non-return, loss, or damage of the sash/timing chip, the team representative will be charged the actual cost (JPY 4,400).
- Runners can wear anything. However, they may be disqualified if they wear things that impede other runners or are deemed socially inappropriate, which is prohibited by the organizer.
- Dangerous acts that may affect other runners (e.g. dribbling a ball while running) are prohibited.
- Special Rules for the Sweets Division:
Runners must eat sweets at the designated Sweets Zone on each lap. They must finish sweets completely with nothing left in their mouth before leaving the Sweets Zone. If a runner from outside the Sweets Division consumes sweets, their entire team will be disqualified.
Entry
- After completing registration, no changes, transfers, cancellations, or refunds will be accepted.
- If applications exceed the capacity, even if payment is completed, the entry may become invalid depending on the payment date. In such cases, refunds will be made after deducting transaction fees.
- All runners must read and understand the event regulations. They are considered to have agreed to the event regulations upon completing registration.
- The team representative must confirm agreement to all items in the Team Member List & Participation Waiver from each member and register all team members at least one day in advance. Please check“Participation Notice Email”for further information.
- False declarations regarding age, gender, or number of team members will result in disqualification without refund.
Cancellation or Change
- The race will be held rain or shine. However, in the event of natural disasters (earthquake, storm, snow), accidents, epidemics, or other reasons beyond the organizer’s control, the event may be scaled down or canceled. No refunds will be given in such cases.
- If the organizer deems it unsafe to continue, runners may be instructed to stop running.
- In case of cancellation or changes, announcements will be made on the official website.
Medical Emergencies
- In case of accidents, injuries, or illness during the event, the organizer may provide first aid. Runners may not hold the organizer responsible for the method or outcome of such treatment.
- Runners are responsible for managing their own health condition and are advised to undergo a medical check-up before the race.
- Do not participate if you are feeling unwell on the day of the event.
- Please bring your health isurance-linked to My Number Card or Eligibility Confirmation Certificate for emergencies.
Handling of Personal Information
- Runners agree that names, ages, genders, results, and images may be published, or used in newspapers, TV, magazines, internet, brochures, etc. The rights belong to the organizer.
- Personal information will not be used for purposes other than the management of this event, related events, and information related to products/services connected to the event.
Disclaimer
- The organizer provides accident insurance for all runners, but compensation is limited to the insurance coverage. Apart from first aid, the organizer will not be held responsible for any injury or illness ocurred during the event.
- The organizer will not be held responsible for any injury, illness, accident, theft, or loss during the event.
- Sweets provided must be consumed on-site for hygiene reasons. Taking them home is prohibited. The organizer assumes no responsibility for food poisoning if taken outside the venue.
- The organizer does not verify allergen labeling of sweets. Runners are responsible for checking for food allergies.
Other Notes
- Parking is limited. Please carpool when possible.
- Stay hydrated on your own, but alcohol consumption is prohibited.
- In the cheering zone (inside the infield), hydration is permitted but eating is not.
- Be aware that pedestrians may cross the course. Please exercise caution and avoid causing inconvenience.
- Sheets and tents must be placed only in designated areas (cheering zones or stands).
- For tents with legs, protective rubber mats must be placed under the legs to protect artificial turf. Mats can be rented at reception (limited supply), but bringing your own is recommended.
- No trash bins are provided. Please take your garbage home.
- Smoking is prohibited at the venue. It is allowed only in designated areas (near the tennis courts).
- Lost items will be kept only for one month after the event.
- Train adequately before participating in the event.



