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Triathlon

Mt.富士トライアスロン富士河口湖

Mt.富士トライアスロン富士河口湖 takes place on Sun, Sep 6, 2026 in 富士河口湖町, Japan. The main route is 52.5 km.

Date
Sun, Sep 6, 2026
Start
富士河口湖町 🇯🇵
Distance
52.5 km
Level
Open to all
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Mt.富士トライアスロン富士河口湖 features an Olympic distance triathlon set against the backdrop of Mount Fuji, utilizing Lake Kawaguchiko and Lake Saiko.

Official event page

What this race demands

This Olympic distance triathlon requires sustained pacing across three distinct disciplines over a standard 52.5 km total distance. Athletes must manage physiological transitions efficiently to complete the swim, bike, and run segments.

Multi-discipline endurance

The 52.5 km Olympic distance requires continuous aerobic output and muscular recruitment across swimming, cycling, and running without prolonged recovery intervals.

Transition efficiency

Back-to-back demands across three sports require efficient transitions to maintain cardiovascular rhythm and prevent late-race fatigue.

Aim for 60 to 90 grams of carbohydrates per hour during the race to sustain energy output across the expected duration.

Estimated finish times

Competitive (~4.0 W/kg, sub-40min 10K)2:05–2:20
Intermediate (~3.0 W/kg, sub-50min 10K)2:25–2:50
First-timer3:00–3:45

Estimates by level, not promises. Your own number depends on your fitness on the day.

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