Marathon calendar — Japan · Ultra

Jun expectedLake Saroma UltramarathonJun expectedTBDYUBETSUJapanLake Saroma UltramarathonJune 2027 · expected · Yubetsu, JapanUltra

D-3812th FunTrails Round Chichibu & Okumusashi 100MILE/100K/50KD-38ClosedCHICHIBUJapan🌤️ 16°₩145,000Entry fee12th FunTrails Round Chichibu & Okumusashi 100MILE/100K/50KSat, November 14, 2026 · Chichibu, 埼玉県, JapanUltra

Oct expectedMine Akiyoshidai Geopark Ultra MarathonOct expectedTBDMINEJapan☀️ 18°₩141,000Entry feeMine Akiyoshidai Geopark Ultra MarathonOctober 2027 · expected · Mine, 山口県, JapanUltra

Dates and entry details follow each race's official announcement and may change — re-check on the official page before entering.