Sports
Akagi Onuma & Shirakaba Marathon
Japanese name:あかぎ大沼・白樺マラソン大会
📅 Sun, Aug 30, 2026
About this event
A marathon race held along the shores of Lake Onuma on Mount Akagi at an altitude of 1,360 meters. With a temperature roughly 10 degrees Celsius cooler than downtown urban areas, runners can enjoy the beautiful nature while feeling cool breezes in the shade of white birch trees. The crisp air near the summit of Mount Akagi and magnificent scenery captivate participants. The course is a 5-kilometer loop around Lake Onuma on Mount Akagi, featuring the great appeal of running while fully immersed in natural beauty.
Official website (Japanese) ↗Venue
Daido Parking Lot
Akagisan, Fujimi-machi, Maebashi, Gunma 371-0101
Open in Google Maps ↗