2026 Yokohama Marathon - Oct 25

2026 Yokohama Marathon - Oct 25 Countdown

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Race Information

Race2026 Yokohama Marathon - Oct 25
CityYokohama
Date2026-10-25 at 08:30
Field Size~25,000 runners
Time Limit6 hours 30 min
TimezoneAsia/Tokyo
Official SiteYokohama Marathon Organizing Committee
RegistrationRegister · 18500 JPY

Race Day Weather

Average Temperature17°C / 63°F
Humidity65%
Wind12 km/h
Rain Chance20%
Typical ConditionsMild autumn weather with coastal breeze

What to Prepare: Comfortable October temperatures along the bay. Expect sea breeze along the Minato Mirai waterfront — refreshing but can slow you on exposed stretches. A great PR-attempt course if you manage the wind sections strategically.

Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.

Wind Impact on Race Day

Wind at 12 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.

Calculate your wind-adjusted pace →

Course Profile

Course TypeCoastal Urban Loop
Elevation Gain45m
TerrainPaved city roads
ProfileCourse runs along Yokohama Bay with views of the iconic Yokohama Bay Bridge, through the modern Minato Mirai district, and past the historic Red Brick Warehouse. Mostly flat with slight undulations near Yamashita Park.
Boston QualifierYes — Check your BQ time

Prepare for 2026 Yokohama Marathon - Oct 25

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