yokosuka-seaside.jp

Yokosuka Seaside Marathon

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Yokosuka, Kanagawa, Japan

calendar_today 23 Nov, 2025

About the Event

Discover a truly refreshing running experience at the Yokosuka Seaside Marathon. This acclaimed event offers a unique coastal course that combines invigorating sea breezes with the rich, dynamic spirit of the port city of Yokosuka. The meticulously planned route and enthusiastic local support create an uplifting and memorable race day for every participant. It's the ideal destination marathon for those looking to achieve a personal best or simply enjoy a beautiful and inspiring run by the water.

Races Offered

5K

Nov 23, 2025

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Distance — 5K

terrain

Type — —

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-93 days remaining

10K

Nov 23, 2025

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Distance — 10K

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Type — —

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-93 days remaining

Half-Marathon

Nov 23, 2025

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Distance — Half-Marathon

terrain

Type — —

timer

-93 days remaining

Weather Overview

These values represent the 3-year monthly averages for November in Yokosuka.

Temp (°C)

Feels Like (°C)

thermostat 12.8° / 17.7°

wb_sunny 7.9° / 15.4°

Wind (km/h)

Humidity (%)

air 19.0 /

water_drop 69.0%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 12.8° / 17.7°

wb_sunny 7.9° / 15.4°

air 19.0 km/h

water_drop 69.0%

About Yokosuka

Learn more about the host city, Yokosuka.

Yokosuka (横須賀) is a major city in Kanagawa prefecture, Japan. Yokosuka city is on the coast and near to sea. The population is about 420,000 in Yokosuka city. Because of the naval base, many Americans are among its population.