
Guide
4th Yanba Sky Run
3 min readEvent Overview
The Yanba Sky Run is a unique vertical running event set against the backdrop of the Yanba Dam, a new landmark in Naganohara, Gunma. This time-trial race challenges runners to scale 316 steps over a height of 79 meters, offering a direct and intense encounter with the massive dam structure.
Highlights & What to Expect
The main attraction is the sheer intensity of racing up the dam's footing stairs, an area usually off-limits to the public. Watching athletes tackle the near-vertical ascent is an exhilarating experience for any spectator. Whether you are a participant or a visitor, you can enjoy the grandeur of the dam and the high-energy atmosphere of the race for free.
Schedule
Date: September 13, 2026 (Sunday). The event will be held rain or shine.
Venue & Access
Venue: Yanba Dam (Near the Naruhodo! Yanba Museum)
Address: 1121-31 Kawaharata, Naganohara, Agatsuma District, Gunma 377-1301
Participation Details
Rules differ depending on whether you are a participant or a spectator. If you wish to compete as a runner, you must register in advance via the official website.
Gear & Etiquette
Participants should prepare appropriate running shoes and sportswear suitable for steep stair climbing. Spectators are encouraged to wear comfortable clothing for outdoor viewing. Please check the official website for detailed rules and required gear.