Last Sunday in June.  REGISTRATION from April.

Get into the summer spirit  with Standard- and Sprint-courses and relays for men and women, aqua-thlons for elementary aged kids, and a challenge course for middle schoolers on up.  Coastal running and inland biking routes, swimming off of Okinoshima. Related events an lots of food and entertainment.

For information in Japanese, see http://tate-tra.com/index.html. For inquiries, contact: info@deporte.jp.