Trail · 105K

Fun Trails Chichibu & Okumusashi

· starts 5:00 AM
Chichibu, Saitama, Japan

WSER Qualifier

Fun Trails Chichibu & Okumusashi is a trail race of 65 miles (105 km) in Chichibu, Saitama, Japan. The next edition is on Saturday, November 14, 2026, starting at 5:00 AM. The race gives its climbing as 27,234 ft (8,301 m). Its high point is 3,142 ft (958 m). It's a Western States 100 qualifier. Registration is open to all. The field is about 400 runners.

66miDistance
27,234ftClimbing
400runnersField
66°Flow 46°FTypical race day

The course

66miMeasured distance
—Aid stations
27,234ftMeasured climb
27,234ftDescent
3,142ftHigh point
404ftLow point

Questions about Fun Trails Chichibu & Okumusashi

When is Fun Trails Chichibu & Okumusashi 2026?

Fun Trails Chichibu & Okumusashi 2026 is on Saturday, November 14, 2026, starting at 5:00 AM local time.

Where is Fun Trails Chichibu & Okumusashi?

Fun Trails Chichibu & Okumusashi is held in Chichibu, Saitama, Japan.

How long is Fun Trails Chichibu & Okumusashi?

Fun Trails Chichibu & Okumusashi is 65 miles (105 km); its course file measures 66 miles.

How much elevation gain does Fun Trails Chichibu & Okumusashi have?

Fun Trails Chichibu & Okumusashi has 27,234 ft (8,301 m) of elevation gain, as the race states it.

Is Fun Trails Chichibu & Okumusashi a Western States qualifier?

Yes. Fun Trails Chichibu & Okumusashi is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.

How do you get into Fun Trails Chichibu & Okumusashi?

Fun Trails Chichibu & Okumusashi has open registration.

What is the weather usually like at Fun Trails Chichibu & Okumusashi?

Around Fun Trails Chichibu & Okumusashi's date, the day's high is typically about 66°F (19°C) and the low about 46°F (8°C), averaged over recent years.

Where can I see the Fun Trails Chichibu & Okumusashi elevation profile and aid station cutoffs?

runfarwhere has Fun Trails Chichibu & Okumusashi's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.

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