Runners' Bible is a comprehensive platform dedicated to all things related to running, created by an avid runner and IT professional originally from Yokohama. Established in 1999, the site shares personal insights and tips that stemmed from the founder's journey into the world of running, inspired by the need to improve health following repeated concerns during yearly health check-ups.

The platform features a wealth of resources including a detailed running encyclopedia, a database of marathon events, and a collection of running tips, making it an invaluable hub for both novice and experienced runners. Visitors can explore a wide range of information organized by prefectures and delve into specific marathon listings to find events that suit their scheduling and training needs.

With a commitment to fostering an engaging running community, Runners' Bible encourages interaction through feedback and shared experiences, striving to inspire others to embrace healthy lifestyles through running. Whether you're looking to improve your performance or simply enjoy the sport, Runners' Bible offers the support you need.