events & races

Join fitness events and sign up for races around Japan in English – no account required

no events or races

currently scheduled

Have questions about race logistics?
Can’t figure out how to register for an event or race?
Confused about the course, race rules, event schedule, etc.?
Muddling through Japanese to find your results and finisher photos?

Get past the language barrier and explore Japan your way with less stress.
With Samurai Sports, you get the information you need to register for, start, and complete your race. 

ASICS Complex 2

ELEVATE: Experience Altitude Training in Tokyo | April 25, 2021

Ever wondered what it’s like to workout at altitude? There’s no need to travel far and high to simulate the atmospheric pressure drop and decrease in the amount of oxygen available. The ASICS Sports Complex TOKYO BAY offers the unique experience of training at high altitude – in the heart of Tokyo. This is a half-day trial at a specialty training facility originally designed for visiting athletes for the 2020 Tokyo Olympics.


2021 eco marathon series

Kamogawa (Chiba) | April 29, 2021
Tondabayashi (Osaka) | May 3, 2021

A series of community-based road races around Japan with an emphasis on sustainability and charity. Marathon to 10K from Kansai to Kanto!


Farm to Table: Seasonal Harvests in the Miura Peninsula | May 9, 2021

Embark on a farm to table experience in the Miura Peninsula and learn about sustainable agricultural practices in Japan! As we create our menu from freshly acquired ingredients, you’ll indulge in quality dishes and find the flavors that work for you

runner during nariki forest trail race

Nariki Forest Trail Race | May 16, 2021

Get away from the skyscrapers and explore the nature side of Tokyo! You’ll be surrounded by beautiful scenery and embraced by dazzling shades of greenery throughout the trail. The 16KM course consists of tough, challenging climbs – it’s no walk in the park but we promise it’ll be worth it.

Runners at the Ise Half Marathon


Road and trail races from Hokkaido to Hiroshima. Distances include 5KM, 10KM, half marathon to full marathon and ultra.

Cyclists riding through Miyazaki


Cycling races and tours from Osaka to Nagano. Find the course for you with distances of 25KM to 150KM.

swimming course of triathlon

Triathlon & Swimming

Open water swims, sprint triathlons, Olympic Distance, and 70.3  - -dive into the world of multi-sport in Japan