Mt.FUJI100 Challenge of My First 100-Mile Race in 2024

Mt.FUJI100 is one of Japan’s premier ultratrail running events, featuring a challenging course that circles Mount Fuji for approximately 100 miles (about 165 km). With a cumulative elevation gain of around 7,500 meters, the race is known for its rugged mountain terrain and diverse landscapes. Top runners from around the world gather to experience both the beauty and the harshness of nature. The race has a time limit of 46 hours, and the finishing rate is consistently low, making it a popular choice for runners seeking a serious and demanding challenge.

Basic Information

Event Name: Mt.FUJI100
Date: Late April (annually)
Location: Around Mount Fuji, Shizuoka and Yamanashi Prefectures (Fuji City, Fujinomiya, Fujiyoshida, etc.)
Course: 100 miles
Entry Fee: Check official website
Website: https://mtfuji100.com/

Participation Requirements

Age

• Must be 18 years or older on race day.

Proof of Completion Ability

• Must meet one of the following and provide proof via ITRA results (achieved within two years prior to entry start date):
  • FUJI100mi: Complete one race with ITRA points 4 or higher, or two races with ITRA points 3
  • KAI70k: Complete one race with ITRA points 2 or higher
  • ASUMI40k: Complete one race with ITRA points 1 or higher

Capability and Responsibility

• Must be able to complete the course within the time limit without getting lost
• Must acknowledge ability to handle harsh conditions such as bad weather, low temperatures, steep climbs, fatigue, or physical distress
• Agree that the organizer has rights to videos, photos, and records taken during the event

Course and Run Difficulty

Mt.FUJI100 offers three main courses, each with distinct characteristics and difficulty levels.

• FUJI100mi: About 165 km with a cumulative elevation gain of 7,500 m, circling Mount Fuji. Combines road, forest trails, and single tracks, with long ascents and night running, making it extremely tough. The scenic views and varied terrain attract top runners worldwide.
• KAI70k: About 70 km with 3,400 m elevation gain. Shorter than 100 miles but features continuous ups and downs, suitable for intermediate to advanced runners.
• ASUMI40k: About 40 km with 2,000 m elevation gain. Shorter and more accessible, ideal for trail running beginners or those seeking a moderate challenge. ASUMI40k is the easiest to approach, followed by KAI70k, with FUJI100mi being for experienced runners.

Race Atmosphere

Mt.FUJI100 has an international and energetic atmosphere, with runners and supporters from around the world. Pre-race, tension and excitement fill the air, while volunteers and locals cheer and support participants along the course and at aid stations. The combination of running with Mount Fuji as a backdrop and Japanese hospitality creates a memorable experience. Night running brings serenity under starry skies, and reaching the finish line is greeted with accomplishment and cheers, making it a truly special moment.

Overall Evaluation

Mt.FUJI100 is an extremely challenging race, with distance and elevation surpassing expectations. Many runners pause along the way, but step by step they keep moving forward. Encouragement from fellow participants and the warmth of aid stations propel runners toward the finish. Crossing the line rewards long hours of effort and struggle, bringing tears and overwhelming emotion. The intensity of the challenge and the achievement that follows leaves a lasting impression, making it a grand experience befitting the race’s reputation.

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