Ruy Ueda

A leading professional mountain runner from Japan with a distinguished career in trail and skyrunning. Engaging in track and field since middle school, he served as captain at the prestigious Saku Chosei High School. However, recurring injuries prevented him from achieving his full potential during those years. After entering Waseda University, he joined a track club and entered the Shibamata 100K as a “final memory of his teens,” finishing an impressive 5th. This performance led to his scout into the world of trail running. He won his debut race with a new course record, instantly showcasing his extraordinary talent.

Major Achievements

World Titles
2019: 1st in the Skyrunner World Series overall rankings (the first Asian to achieve this).
2021: Skyrunning World Championships (Spain)
Vertical Kilometer: Winner / Gold Medalist
Combined: Winner / Gold Medalist
SkyMarathon: 3rd Place / Bronze Medalist

Major Domestic Results
2014: Hasetsune Cup (Japan Mountain Endurance Race) – Winner (Youngest at the time / Course record)
2017: Hasetsune Cup – Winner
2025: Mt. Fuji Climbing Race (Summit Course) – Winner

Guinness World Record
2022: Mt. Fuji ONE STROKE – 9 hours, 55 minutes, 41 seconds.
Successfully climbed Mt. Fuji four times in a single day, passing through all four major climbing routes, and was certified as a Guinness World Record holder.