Contact Us

■ Event Secretariat

Osaka Castle Triathlon Secretariat 
E-mail : oct-office@optan.jp

 

■ Lawson Entry

Lawson Do SPORTS
Tel : +81-570-000-732 (10:00-20:00)
E-mail : lds@lhe.lawson.co.jp

 

■ Osaka Prefectural Triathlon Association (OPTA)

OPTA Secretariat
Tel : +81-90-9097-6353 (Weekdays 17:30-20:00)
E-mail : higashino@osaka-triathlon.com

 

■ Contact Form