Arakawa and Tomizawa Win Ontake 100-Miler, Onodera and Sakai Take Short Course Titles byAdmin23 •July 17, 2024 The OSJ Ontake 100 happened this past weekend, one of Japan's most popular trail ultras. In the 100 km short course race, actually around 109 km, Shingo Nosaka had a 4-minute lead over Yuta Onodera through the first checkpoi…