Check out our (kind of biased) assessment of Japan's race registration websites!

We review five uniquely Japanese sports nutrition products made in Japan. What are they? Are they worth a try?

Learn about Samurai Sports' self-edit feature, available to registered participants for all events and races.

Since 2016, Samurai Sports contributor Tom has been running trail races all over Japan. Here is his list of the best ultra trail races available to you.

Confused? We show you ten easy steps to register as a new JTU member, or renew your JTU membership.

Since 2016, Samurai Sports contributor Tom has been running trail races all over Japan. Here is his list of the best trail races available to you.

Swimming in Japan’s pools can be a frustrating experience. Read up on the do's and dont's of public swimming pools in Japan.

Looking for a good running route in Tokyo? Check out this runners' guide to the Imperial Palace.

Run in Yokohama! Check out the Runner's Guide to Yokohama for useful information about running in Japan's second largest city.

We cover everything you want to know about being a race volunteer.