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MarathonRoad🇯🇵 Tokyo, Japan

Itabashi City Marathon

Sunday, 21 March 2027In 5 months · Start 09:00

Official site

A flat, World Athletics-certified marathon on the paved Arakawa riverbank paths in Tokyo's Itabashi ward, starting near Toda Bridge. Popular with Tokyo runners chasing a spring PB.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 11 Oct 2026 against runjapan.jp.

Elevation gain
20 m
Flat · ↓ 20 m
Start altitude
3 m
above sea level, from terrain data
Temp at start
10°C
Peaks around 14°C
Entry fee
≈ $100
Open entry
Finishers
—
typical year
Course
Out and back
7h cut-off
Getting thereFly into HND (Tokyo), about 29 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Flat: about 20 m of climbing and 20 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start
10°C
Peak during race
14°C
Humidity
54%
Chance of rain
20%
Wind
16 km/h

Race day in past years

Historical averages for 21 March ±3 days, 2016–2025, from 09:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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Plan your trip

Searches are set for Tokyo and the race weekend.

Hotels near the start lineClosest first · 2027-03-20 → 2027-03-22Booking.com Flights to TokyoArrive 2027-03-19, fly home 2027-03-23Google Flights Things to do in TokyoTours and attractions in Japan for the days around the raceGetYourGuide

Gear for this race

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