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1st Onigiri Marathon (第1回おにぎりマラソン)

Japan flag
Koto, Tokyo, Japan

calendar_today 17 Oct, 2026

directions_run Running

language Official Website

sell $9.48 – $41.08

Register Now
1st Onigiri Marathon (第1回おにぎりマラソン)

About the Event

Enjoy a delicious onigiri (rice ball) after you run! A generous time limit means peace of mind! Run solo, with your family, or with friends! Entry fees: Half Marathon Division: ¥6,500 (+¥1,500 with running clinic), 5km Division: ¥4,500 (+¥1,500 with running clinic), Parent-Child Run: 2-person team ¥2,500, 3-person team ¥3,500, Half Marathon Relay Division: ¥5,000/person (teams of 1-14)

Races Offered

5km Division

Oct 17, 2026

straighten

Distance — 5K

terrain

Type — Running

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65 days remaining

sell

$28.44

5km Division (with Running Clinic)

Oct 17, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

65 days remaining

sell

$9.48

Half Marathon Division

Oct 17, 2026

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Distance — 21.1K

terrain

Type — Running

timer

65 days remaining

sell

$41.08

Half Marathon Division (with Running Clinic)

Oct 17, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

65 days remaining

sell

$9.48

Half Marathon Relay Division

Oct 17, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

65 days remaining

sell

$31.60

Parent-Child Run

Oct 17, 2026

straighten

Distance — Parent-Child Run

terrain

Type — Running

timer

65 days remaining

sell

$15.80

Weather History

These values represent the 3-year monthly averages for October in Koto.

thermostat Temperature
14.8° / 22.1°
wb_sunny Feels like
13.0° / 21.5°
light_mode Avg sunshine hours
7h 8m
water_drop Avg rainfall
4.0 mm
ac_unit Avg snowfall
—
air Avg wind speed
11.6 km/h (Light breeze)
opacity Sweat loss rate
Moderate
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Moderate (4.0)
humidity_mid Humidity
75.3%
wb_twilight Sunrise
05:47
nightlight Sunset
17:04

Hotels & Places to Stay

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