TDK Corporation is a global leading electronic components company based in Tokyo, Japan. TDK has been an IAAF’s Official Partner since the first edition was held in Helsinki, Finland, in 1983.

TDK’s corporate philosophy -“Contribute to culture and industry through creativity”- is in line with the IAAF’s objective of contributing to society through expansion and development of the sport of athletics. TDK will continue to cooperate in making the IAAF World Championships a success going forward as sponsor of all the men’s number bibs.

ASICS is a true sport performance brand that believes in the positive transformative power of sport to improve people’s lives. With a vision to “create quality lifestyles through intelligent sport technology”, ASICS is considered a leader in innovation within the sporting goods industry. Our products meet the needs of discerning athletes and fitness enthusiasts around the world.


ASICS has always believed in the power of sports to inspire young people to lead healthy lives. With a founding philosophy, “Anima Sana In Corpore Sano”, the Latin phrase meaning “A Sound Mind in a Sound Body”, ASICS brings integrity and sportsmanship into the heart of everything it does.

Like the IAAF, ASICS has a long history in athletics and shares the same passion for sport. Through partnership with IAAF, ASICS wishes to contribute to the world-wide development of athletics that is fair, built on sportsmanship, and create a brighter tomorrow through the sport.