Osaka Marathon

Osaka, Japan · February 28, 2027

44°·52° high·Light·Dry

Weather

Race Day Weather

44°at start

52° high

Light

Dry

Cool start — fast day potential

A cool 44°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temperatures rising to 52°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 152 days

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Distance: 26.2mi

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Race Info

The Osaka Marathon starts at the Osaka Prefectural Government building and finishes inside Osaka Castle Park, run on the last Sunday of February. The course is certified by World Athletics and the Association of International Marathons and Distance Races (AIMS). Djibouti's Ibrahim Hassan set the men's course record of 2:05:20 in 2026, and Ethiopia's Mare Dibaba set the women's record of 2:21:44 the same year. Roughly 34,000 runners take part across the full marathon and the companion 720 Naniwa Marathon run and wheelchair races.

Website

Course Map

FAQ

When is the 2027 Osaka Marathon?

The 2027 Osaka Marathon will be held on Sunday February 28, 2027.

Is the Osaka Marathon a Boston Marathon Qualifier?

Yes, the Osaka Marathon is an official Boston Marathon qualifier.

What is the time limit for the Osaka Marathon?

The time limit for the Osaka Marathon is 7 hours.

What will the weather be like for the 2027 Osaka Marathon?

The forecast calls for a high of 52°F and a low of 37°F with a 12% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 14 years of data

Avg Temp

58°F

L:54° H:60°

RunScore

Conditions

Rain Freq

1 of 14 yrs

Wind6mph

Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Osaka Marathon Becoming cloudy in the afternoon with late afternoon rain. 2026	60°/69°	-	45°
2025 Osaka Marathon Partly cloudy throughout the day. 2025	38°/43°	-	27°
2024 Osaka Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2024	43°/46°	Light	41°
2023 Osaka Marathon Partly cloudy throughout the day. 2023	41°/47°	-	26°
2022 Osaka Marathon Partly cloudy throughout the day. 2022	53°/54°	-	29°
2019 Osaka Marathon Partly cloudy throughout the day. 2019	49°/62°	-	39°
2018 Osaka Marathon Becoming cloudy in the afternoon. 2018	52°/63°	-	42°
2017 Osaka Marathon Cloudy skies throughout the day. 2017	49°/56°	-	40°
2016 Osaka Marathon Partly cloudy throughout the day. 2016	58°/66°	-	38°
2015 Osaka Marathon Partly cloudy throughout the day. 2015	64°/67°	-	36°
2014 Osaka Marathon Partly cloudy throughout the day. 2014	71°/79°	-	55°
2013 Osaka Marathon Partly cloudy throughout the day. 2013	64°/67°	-	39°
2012 Osaka Marathon Partly cloudy throughout the day. 2012	49°/59°	-	28°
2011 Osaka Marathon Cloudy skies throughout the day with late afternoon rain. 2011	62°/67°	-	57°