Mt.FUJI100 2027 - Mount Fuji, Japan

Mt.FUJI100 returns to the foothills of Japan's highest mountain for its 15th edition on 23–25 April 2027. Formerly Ultra-Trail Mt. Fuji, this international fixture brings elite and amateur mountain runners onto demanding routes through Shizuoka and Yamanashi prefectures. The flagship FUJI100mi and ASUMI40k are part of the World Trail Majors. The 100-mile race is a qualifier for the 2028 Western States Endurance Run, and the main distances feature in the ITRA National League.

Courses and race timetable

FUJI100mi covers 165.3 km with 6,463 m of ascent. Three waves of roughly 700 runners start at 17:00, 17:15 and 17:30 on Friday 23 April from Fujisan Kodomo-no-Kuni in Fuji City, Shizuoka. This point-to-point course finishes at Fujisan GX Stadium, Fuji Hokuroku Park, Fujiyoshida, Yamanashi. The final deadline is 14:30 on Sunday 25 April, allowing 45 to 45.5 hours.

KAI70k covers 67.9 km and 2,917 m of ascent, starting at 14:00 on Saturday 24 April. Its 21-hour limit ends at 11:00 Sunday. ASUMI40k is approximately 38.5 km with 1,481 m of ascent; it starts at noon Saturday with a 9.5-hour limit. Both start and finish at Fujisan GX Stadium.

The SAKUYA mountain-running races take place on Sunday 25 April: 8.6 km at 09:00 and an under-20 5.7 km at 09:15, with three-hour limits. The venue also hosts Mt.FUJI100 Mini children's races from 13:00 on a 680 m circuit, covering 1.36 km and 2.04 km. All distances form one festival.

Entries and equipment

General and donation entries for the three main trail distances run from 2–15 November 2026, with a ballot if general applications exceed capacity. SAKUYA entries extend to 28 February 2027. Standard fees are JPY 50,000 for FUJI100mi, JPY 30,000 for KAI70k, JPY 22,000 for ASUMI40k, JPY 5,500 for SAKUYA 8.6 km and JPY 3,300 for U20. Mini entry costs JPY 3,500 without an accompanying runner or JPY 4,000 with one. Check official entry information for ITRA qualifying performances and availability. Paid entries are non-refundable and non-transferable.

FUJI100mi entrants collect bibs and undergo compulsory-kit checks at Fuji Hokuroku Park on Friday 23 April, 08:00–14:00. KAI and ASUMI have separate collection windows. Aid-station food and drink, a participation item and baggage services are included where applicable; FUJI runners have drop bags. Optional start-area baggage handling costs JPY 1,650 with advance booking. Prepare for cold, darkness, technical trails and mandatory equipment. In 2027, FUJI100mi will trial pole use from checkpoint F5, subject to protected-area restrictions.

Travel and logistics

The course traverses the Mount Fuji foothills, with separate FUJI100mi start and finish venues. Allow time for transfers between Shizuoka and Yamanashi. Organiser shuttles and reserved parking require planning, especially for international visitors. Check official course updates, race rules, transport and expo information before travelling; mountain routes and operations may change.