Ogose Saitama, Saitama · Saturday, May 16, 2026
The Trainic-World in Sainokuni is a ハーフマラソン (half marathon), マラソン (marathon), ランニング (running), トレイルランニング (trail running), and ウルトラマラソン (ultra) event held on Saturday, May 16, 2026. It is located in Ogose Saitama, Saitama.
Ready to experience an unforgettable adventure at the heart of Japanese culture and breathtaking landscapes? 🏞 The "FUJI TRAIL CHALLENGE" offers you the chance to conquer the legendary trails around Tokyo, a total immersion between tradition and adventure!
Get ready for the Saiko Ecomarathon, a unique sporting experience in October in Saitama Prefecture, Japan 🇯🇵. Specifically, you'll be starting in the city of Toda, along the picturesque Lac de Sai, in the Doman Green Park. Your race kicks off at 11:00 AM sharp! 🕚 You'll embark on a 10 km loop. If you're bringing your family, there's also a 5 km parent-child race. This route is also a loop 🔂. Enjoy a scenic course surrounded by lakes, ponds, and stunning nature 🍃. Immerse yourself in a peaceful and inspiring environment, perfect for setting a new personal best or just enjoying every step 💪.
Get ready for the Saïko Ecomarathon, a sporting experience in December in the heart of Saitama Prefecture in Japan 🇯🇵. It's precisely in the city of Toda, by the Lake Sai, in the Doman Green Park, where you'll start at 11 AM sharp! 🕚 Therefore, you're set for two races of your choice: a half-marathon or a 10 km, both in the format of a loop. If you came with family 👨👩👧👦, a 5 km parent-child race is organized. The course also takes the format of a loop 🔂. You can enjoy a route surrounded by lakes, ponds, and magnificent nature 🍃. You will be immersed in a peaceful and inspiring environment, perfect for breaking your personal record or simply enjoying every stride 💪.
2027 Tokyo Marathon - Earn your entry to the 2027 Tokyo Marathon by raising funds and awareness for Semper Fi & America's Fund.
Semper Fi & America's Fund has a very limited number of entries. Please complete our team application by clicking HERE.
Contact [email protected] if you are interested in one of our limited entries to the Tokyo Marathon.
Semper Fi & America’s Fund cares for our nation’s critically wounded, ill, and injured service members, veterans, and military families. Supporting all branches of the U.S. Armed Forces, we provide one-on-one case management, connection, and lifetime support.
Today. Tomorrow. Together.
To learn more about Semper Fi & America's Fund please visit thefund.org.
What are the benefits of joining the Semper Fi & America's Fund Team?
Guaranteed registration in the 2027 Tokyo Marathon
A dri-fit race shirt and runner's goodie bag!
An online fundraising link set up by RunSignUp.com that you can send to your donors.
Timely updates from our Race Coordinator.
Prizes for the top fundraisers!
The heartfelt thanks of the injured Marines, Sailors, Airmen and Soldiers you will be supporting!
(Please note that this is the registration page for the Semper Fi & America's Fund Charity Team at the 2027 Tokyo Marathon.)
080Tokyo was founded in March 2017 by Koichi, Higashi, and Nashil with a bold conviction: running connects people across languages and cultures. Based in Tokyo's vibrant Shibuya district, the crew has grown to around a hundred runners from different nationalities and professions who share a philosophy that real communication happens through shared movement. Founded on the belief that sport can solve social problems, 080Tokyo channels this mission into building bridges between young people. The crew's signature Monday evening runs at Yoyogi Park conclude at Hachiman-yu, a neighborhood sento where post-run conversations reveal the true heart of the community. For 080Tokyo, the run is just the beginning.
Pacer Track Club emerged in Tokyo in April 2017 when a group of Nike Run Club runners refused to let their community dissolve. Founder Hideaki stepped in to keep the momentum alive, transforming an ending into a beginning. Today, the crew counts around forty members, small enough that friendships run deep but large enough that every session brings genuine push and accountability. Their philosophy is straightforward: make running both faster and more fun, proving that speed and joy aren't opposing forces. Training at Oda Field inside Yoyogi Park, Pacer Track Club builds structured sessions where honest effort and good company converge on one of Tokyo's finest athletic tracks.
ACT WOMEN'S RUNning was born in Tokyo in 2017 when founder Emi decided running should feel good, not grueling. This crew of around 20 women dismantles the myth that running is tough and monotonous, instead building a space where movement, conversation, and joy intersect. Twice a month near Shibuya, they explore new neighbourhoods with a warm, curious, and refreshingly low-pressure vibe. Their signature runs start and end at Bunka Yokusen, a public bath in Ikejiri, where the real conversations begin in one of Tokyo's most beloved neighbourhood traditions. Here, running is about discovering health on your own terms.