
The Miyakojima Triathlon (All Japan Triathlon Miyakojima) is a large-scale triathlon event held every April in Miyakojima City, Okinawa Prefecture. Since its inaugural race in 1985, it has become a beloved event, attracting triathletes from all over Japan and abroad.

Course & Race Format
The Miyakojima Triathlon consists of the following three segments:
- Swim: 3 km – Held at Yonaha Maehama Beach in Shimoji, Miyakojima City
- Bike: 123 km – A scenic course that circles the island, including crossings over the Irabu and Ikema Bridges
- Run: 35 km – A round-trip course from the Miyakojima Athletics Stadium to Shinzato, Gusukube



Race Highlights
- Scenic Beauty: Participants run through stunning island landscapes, including the crystal-clear “Miyako Blue” waters. Cheers from spectators along the course offer powerful encouragement.
- High Popularity: Many repeat participants return each year, and the entire island embraces a festive triathlon atmosphere.
- Strict Entry Requirements: Participants must be healthy men or women aged 19–65 with previous triathlon experience. The application process is rigorous.
Event Information
- Date: Every April (specific dates available on the official website)
- Participants: Approximately 1,500 athletes
- Time Limit: 12 hours (total for swim, bike, and run)
- Entry Fee: From ¥60,000 (includes race kit, injury insurance, aid station food & drinks, carbon offset fee, etc.)
This is a physically demanding race worth the challenge, offering breathtaking scenery and the warm support of the entire island. For detailed information and registration procedures, please refer to the official website.