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Course & Elevation

The Yokohama Marathon is a city road marathon held in late October, with the 2026 edition on 25 October and the next announced for 31 October 2027. It is run by the Yokohama Marathon Organising Committee, whose members include the City of Yokohama and Kanagawa Prefecture, with the Yokohama Association of Athletics as the managing body. The marathon starts at 08:30 in front of Yokohama Landmark Tower and runs past the Red Brick Warehouse, Yamashita Park, Honmoku Citizens' Park and Negishi Station to a turnaround at Yokohama Nanbu Market. On the way back it uses the Shuto Expressway Bayshore Route, then passes Yokohama Hammerhead and the Megami Bridge to finish at Rinko Park beside Pacifico Yokohama. Races on the same day include a pair relay, in which two runners cover about 22.7 km and 19.5 km, a roughly 20.3 km Bayshore Highway Run, a 7 km Minato Mirai run and a 3 km fun run. The 2026 marathon had 19,568 finishers, and about 30,000 people took part across all events. Competition ends at 15:00, which gives marathon runners 6 hours 30 minutes, with cut-off points on the course. The present Yokohama Marathon dates from the first full marathon in March 2015. It replaced an older Yokohama Marathon that had been run since 1981 over shorter distances and, from 1992, as a half marathon.

Surface: road Profile: Flat

Weather

Typical climate for the race month — an estimate, not a forecast or a race-day record

Temperature 18°C
Humidity 71%
Rain Chance 39%

In late October Yokohama averages a daytime high of about 22°C and a low of about 16°C, with rain on roughly 12 days of the month.

Related Guides

Yokohama Marathon race

The Race

Yokohama cityscape

Yokohama

Race Lore

From Half Marathon to Full Marathon

2015

The Yokohama Marathon was first held in 1981 as a 20 km and 10 km race, and a half marathon was added from 1992. That older race ran for 33 editions. There was no race in 2014, and in 2015 the event was reborn as a full marathon on a new course through the Minato Mirai district, as the city's first full marathon for citizen runners.

The 186-Metre Shortfall

2015

The first full marathon, on 15 March 2015, was measured on the day and found to be 186.2 m short of the full distance, so the course could not be certified by the Japan Association of Athletics Federations. The organisers had measured the roughly 11 km expressway section from maps only, because the road could not be closed for a pre-race measurement.

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