Trail races in Kanto

Compare races across Kanto. Similar distances can have very different ascent and cutoff requirements.

Recorded editions, newest dates first. Includes past, tentative and cancelled editions; this is not a list of races open for entry.

• Okumusashi Long Trail 35 km 20272027-05-30 · Saitama, Japan · 35km
• Tochigi Training Nikko 25K 20272027-05-30 · Tochigi, Japan · 25km
• Okumusashi Long Trail 105 km 20272027-05-29 · Saitama, Japan · 105km
• Okumusashi Long Trail Race 20K 20272027-05-29 · Saitama, Japan · 20km
• Tokyo Grand Trail 60km 20272027-05-29 · Tokyo, Japan · 59km · Tentative date
• Tokyo Grand Trail 160km 20272027-05-28 · Tokyo, Japan · 152km · Tentative date
• Tokyo Grand Trail 200km 20272027-05-28 · Tokyo, Japan · 193km · Tentative date
• Tokyo Grand Trail 90km 20272027-05-28 · Tokyo, Japan · 94km · Tentative date
• Trainic World 108.2 km 20272027-05-15 · Saitama, Japan · 108.2km
• Trainic World 162.8 km 20272027-05-15 · Saitama, Japan · 162.8km
• Agano-juku Trail Race Agano 40K 20272027-03-21 · Saitama, Japan · 40km
• ATGTRAIL 46km 20272027-03-21 · Kanagawa, Japan · 46km
• ATGTRAIL 25km 20272027-03-21 · Kanagawa, Japan · 25km
• Agano-juku Trail Race Agano 70K 20272027-03-20 · Saitama, Japan · 71km
• Coast to Coast 70km 20272027-03-14 · Chiba, Japan · 70km
• BULSS Kanagawa (Backyard Ultra Last Samurai Standing) 20272027-02-20 · Kanagawa, Japan · Backyard
• Hanayome Kaido Karasubayama Trail 23K 20272027-01-16 · Chiba, Japan · 23km
• Tochigi Training Mikamo 23K 22.8km 20272027-01-16 · Tochigi, Japan · 22.8km
• Rising of the Dead 21K 20262026-12-30 · Kanagawa, Japan · 21km
• Rising of the Dead 36K 20262026-12-30 · Kanagawa, Japan · 36km
• Rising of the Dead 40K 20262026-12-30 · Kanagawa, Japan · 40km
• TENGU100 100km 20262026-12-27 · Tokyo, Japan · 100km
• TENGU100 30km 20262026-12-27 · Tokyo, Japan · 30km
• TENGU100 60km 20262026-12-27 · Tokyo, Japan · 60km
• FunTrails Round IDATEN 15K 20262026-12-20 · Saitama, Japan · 14.4km
• FunTrails Round IDATEN 8K 20262026-12-20 · Saitama, Japan · 8.7km
• HITACHINOKUNI TRAILRUN 30.4km 20262026-12-20 · Ibaraki, Japan · 30.4km
• Nokogiriyama Trail Run 22 km 20262026-12-20 · Chiba, Japan · 22km
• Motherfarm Christmas Trail 20K 20262026-12-19 · Chiba, Japan · 20km
• HITACHI ALPS OCEAN TRAIL 42 km 20262026-12-06 · Ibaraki, Japan · 42km
• SoToCCHi 45k 20262026-11-29 · Saitama, Japan · 46.6km
• Tanzawa Looooooops 33 km 20262026-11-28 · Kanagawa, Japan · 33km
• Tanzawa Looooooops 66 km 20262026-11-28 · Kanagawa, Japan · 66km
• Tanzawa Looooooops 99 km 20262026-11-28 · Kanagawa, Japan · 99km
• Tanzawa Looooooops 132 km 20262026-11-28 · Kanagawa, Japan · 132km
• Tanzawa Looooooops 165 km 20262026-11-28 · Kanagawa, Japan · 165km
• Sagami Kazekko Trail Running 22K 20262026-11-22 · Kanagawa, Japan · 22km
• BULSS Tokyo (Backyard Ultra Last Samurai Standing) 20262026-11-21 · Tokyo, Japan · Backyard
• NIKKO MOUNTAIN RUNNING 11.6 km 20262026-11-15 · Tochigi, Japan · 11.6km
• NIKKO MOUNTAIN RUNNING 44.7 km 20262026-11-15 · Tochigi, Japan · 44.7km
• NIKKO MOUNTAIN RUNNING 28.2 km 20262026-11-15 · Tochigi, Japan · 28.2km
• Sakurayama Trail 15K 20262026-11-15 · Gunma, Japan · 15km
• Sakurayama Trail 26K 20262026-11-15 · Gunma, Japan · 26.5km
• Sakurayama Trail 52K 20262026-11-15 · Gunma, Japan · 52.2km
• FunTrails Round Chichibu 100K 20262026-11-14 · Saitama, Japan · 105km
• FunTrails Round Chichibu 100MILE 20262026-11-14 · Saitama, Japan · 160km
• FunTrails Round Chichibu & Okumusashi 50K 20262026-11-14 · Saitama, Japan · 54km
• Kanna Mountain Run and Walk KANMARU 15km 20262026-11-08 · Gunma, Japan · 15km
• Kanna Mountain Run and Walk MIKABO 25km 20262026-11-08 · Gunma, Japan · 25km
• BULSS Ibaraki (Backyard Ultra Last Samurai Standing) 20262026-11-07 · Ibaraki, Japan · Backyard
• Tokyo100 20262026-11-07 · Tokyo, Japan · 101km
• Gozenyama Trail 28K 20262026-11-01 · Ibaraki, Japan · 28km
• Oze Tokura Mountain Marathon 10 km 20262026-10-25 · Gunma, Japan · 10km
• Oze Tokura Mountain Marathon 21 km 20262026-10-25 · Gunma, Japan · 21km
• Utsunomiya Trail Run 36 km 20262026-10-25 · Tochigi, Japan · 36km
• Jungle Guruguru MAX 120km 20262026-10-24 · Saitama, Japan · 129.7km
• Jungle Guruguru MAX 160km 20262026-10-24 · Saitama, Japan · 173km
• Jungle Guruguru MAX 200km 20262026-10-24 · Saitama, Japan · 216km
• Jungle Guruguru MAX 40km 20262026-10-24 · Saitama, Japan · 43.2km
• Jungle Guruguru MAX 80km 20262026-10-24 · Saitama, Japan · 86.5km
• Hasetsune Cup 71.5km 20262026-10-11 · Tokyo, Japan · 71.5km
• Trainic World Ogose 50km 20262026-10-04 · Saitama, Japan · 51.3km
• Tsukubarenzan trailrun in ISHIOKA 70 km 20262026-09-27 · Ibaraki, Japan · 70km
• Tsukubarenzan Middle 45 km 20262026-09-27 · Ibaraki, Japan · 45km
• Tsukubarenzan Short 25 km 20262026-09-27 · Ibaraki, Japan · 25km
• Joshu Hotakasan Skyview Trail 138km 20262026-09-12 · Gunma, Japan · 138km
• Joshu Hotakasan Skyview Trail 77km 20262026-09-12 · Gunma, Japan · 77.5km
• Kobugahara Kogen Trail Run 30km 20262026-08-29 · Tochigi, Japan · 30km
• Akagi Forest Trail Run 32K 20262026-08-23 · Gunma, Japan · 32km
• Akagiyama Trail Running Race 33km 20262026-07-26 · Gunma, Japan · 33.3km
• Itamuro Onsen Spa Trail 16km 20262026-07-12 · Tochigi, Japan · 16km
• Itamuro Onsen Spa Trail 48km 20262026-07-12 · Tochigi, Japan · 48km
• OZEIWAKURA SKY VALLEY 30K 20262026-07-12 · Gunma, Japan · 30km
• Around Toki River Long 56.2 km 20262026-06-14 · Saitama, Japan · 56.2km
• Around Toki River Middle 40.4 km 20262026-06-14 · Saitama, Japan · 40.4km
• HOTAKA SKYRUN CHALLENGE 21km 20262026-06-06 · Gunma, Japan · 21km
• HOTAKA SKYRUN EXTREME 23km 20262026-06-06 · Gunma, Japan · 23km
• Okumusashi Long Trail 35 km 20262026-05-31 · Saitama, Japan · 35km
• Okumusashi Long Trail 105 km 20262026-05-30 · Saitama, Japan · 105km
• Okumusashi Long Trail Race 20K 20262026-05-30 · Saitama, Japan · 20km
• Tokyo Grand Trail 60km 20262026-05-23 · Tokyo, Japan · 59km
• Tokyo Grand Trail 160km 20262026-05-22 · Tokyo, Japan · 152km
• Tokyo Grand Trail 200km 20262026-05-22 · Tokyo, Japan · 193km
• Tokyo Grand Trail 90km 20262026-05-22 · Tokyo, Japan · 94km
• TOKYO Nariki Forest Trail Run 21K 20262026-05-17 · Tokyo, Japan · 21km
• Trainic World 108.2 km 20262026-05-16 · Saitama, Japan · 108.2km
• Trainic World 162.8 km 20262026-05-16 · Saitama, Japan · 162.8km
• FunTrails Round Minano 30K 20262026-05-10 · Saitama, Japan · 30km
• FunTrails Round Minano 50K 20262026-05-10 · Saitama, Japan · 52km
• ISHIOKA TRAIL RACE 43K 20262026-04-26 · Ibaraki, Japan · 43km
• Okumusashi Moroyama Trail Run 24km 20262026-04-19 · Saitama, Japan · 24km
• Kitamusashi GIANT'S GATE 20262026-04-18 · Saitama, Japan · 85.8km
• Ome Takamizu Trail (GPS24.5km) 20262026-04-05 · Tokyo, Japan · 24.5km
• HASETSUNE 30K 20262026-03-29 · Tokyo, Japan · 30.2km
• BULSS Kanagawa (Backyard Ultra Last Samurai Standing) 20262026-02-21 · Kanagawa, Japan · Backyard
• OSJ Okukuji Trail 59 km 20252025-05-25 · Ibaraki, Japan · 59km
• OSJ Okukuji Trail Short 32.5 km 20252025-05-25 · Ibaraki, Japan · 32.5km
• FTR Chichibu& Okumusashi 30k 20232023-11-18 · Saitama, Japan · 29km · Cancellation / discontinuation reported

Compiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
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