Ultra Running Hub Races
30 upcoming ultras worldwide
Japan — remove filter 30 races match · sorted by date
30 races found
Date Race Location Dist Climb Grit
11 Oct Echigo Kubikino 100km Ultramarathon Fixed Distance · climbing unknown Joetsu City, Niigata Pref., Japan 100 km — 5.0 est 17 Oct Iki 100 Km Ultra Marathon Fixed Distance · climbing unknown Iki, Nagasaki Pref., Japan 100 km — 5.0 est 17 Oct Iki 50 Km Ultra Marathon Fixed Distance · climbing unknown Iki, Nagasaki Pref., Japan 50 km — 2.5 est 18 Oct River Shimanto 100km Fixed Distance · fast & flat Shimanto, Kochi Pref., Japan 100 km 700 m 6.1 18 Oct River Shimanto 60km Fixed Distance · fast & flat Koinobori Park, Shimanto, Kochi Pref., Japan 60 km 400 m 3.6 18 Oct Ultramarathon Okumusashi Quintet Fixed Distance · climbing unknown Moroyama, Saitama Pref., Japan 70 km — 3.5 est 25 Oct Forestrail Shinjo-Hiruzen Fixed Distance · mountain Shinjo, Okayama Pref., Japan 68 km 3,200 m 8.2 25 Oct Manno Mountain Madness 2026 Fixed Distance · vertical Nakato, Manno, Kagawa Pref, Japan 80 km 5,600 m 10.0 1 Nov Nakanoto Treasure Trail Run Festival Fixed Distance · mountain Nakanoto, Kashima District, Ishikawa Pref., Japan 50 km 2,300 m 5.9 1 Nov Ninja Trail Run Fixed Distance · mountain Iga, Mie Pref., Japan 48 km 2,500 m 6.2 1 Nov Ryoma Dappan Trail Race Fixed Distance · mountain Tsuno, Kochi Pref., Japan 70 km 3,130 m 8.2 1 Nov Sea Alps Trail Journey Fixed Distance · mountain Fudai, Japan 49 km 2,031 m 5.5 8 Nov Koshu Alps Haute Route Challenge Fixed Distance · mountain Koshu, Yamanashi Pref., Japan 68 km 4,200 m 9.7 8 Nov Koshu Alps Haute Route Challenge Klesa 108 Fixed Distance · mountain Koshu, Yamanashi Pref., Japan 108 km 5,905 m 10.0 8 Nov Koshu Alps Haute Route Challenge Lily Route Fixed Distance · mountain Koshu, Yamanashi Pref., Japan 55 km 3,009 m 7.3 14 Nov FunTrails50K Round Fixed Distance · mountain Chichibu, Saitama Pref., Japan 50 km 2,850 m 6.8 22 Nov Nagasaki Tachibana Gulf Coast Super Maranic 103 Fixed Distance · climbing unknown Nagasaki, Japan 103 km — 5.2 est 29 Nov Trainic world Soto-Chichibu Trail Run 50km Fixed Distance · mountain Yorii, Saitama Pref., Japan 46 km 2,900 m 6.7 6 Dec Kumano Old Trails Fixed Distance · climbing unknown Kumano-Shi, Mie Pref., Japan 52 km — 2.6 est 12 Dec Izu Trail Journey Fixed Distance · mountain Matsuzaki, Shizuoka Pref., Japan 70 km 3,120 m 8.2 19 Dec Minami-aso caldera Trail Fixed Distance · mountain Minami aso, Japan 50 km 2,491 m 6.2 20 Dec Okinawa 100km Ultramarathon Fixed Distance · climbing unknown Yonohara, Okinawa Pref., Japan 100 km — 5.0 est 14 Feb Nagasaki Round Trail Fixed Distance · mountain Nagasaki City, Japan 46 km 2,620 m 6.2 18 Apr Fuji 3 Lakes 62 km Challenge Fixed Distance · climbing unknown Fujiyoshida, Yamanashi Pref., Japan 62 km — 3.1 est 18 Apr Fuji 4 Lakes 100 km Challenge Fixed Distance · climbing unknown Fujiyoshida, Yamanashi Pref., Japan 100 km — 5.0 est 18 Apr Fuji 4 Lakes 80 km Challenge Fixed Distance · climbing unknown Fujiyoshida, Yamanashi Pref., Japan 80 km — 4.0 est 18 Apr Fuji 5 Lakes Sparta Challenge Fixed Distance · climbing unknown Fujiyoshida, Yamanashi Pref., Japan 120 km — 6.0 est late April (TBC) Ultra-Trail Mt. Fuji mountain Fujiyoshida, Yamanashi, Japan 168 km 8,000 m 10.0 3 May Mukogawa Yurikamome Ultra Marathon Fixed Distance · climbing unknown Nishinomiya, Hyogo Pref., Japan 70 km — 3.5 est 9 May Yamaguchi Hagi Return Fixed Distance · climbing unknown Yamaguchi City, Japan 100 km — 5.0 est est — Grit from distance alone; the organiser has not published an elevation profile.