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Osaka International Women's Marathon

January 31, 2027 · 12:15 PMOsaka, Japan

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Race snapshot

Race Day

43°F

37–50°F · Feels cold

Total elevation gain

197ft

Relatively flat course · Net elevation change +0 ft

Crowd Rating

3/ 10

Moderate spectator support

The Lowdown

The Osaka International Women's Marathon is an elite, women-only marathon that starts and finishes at Yanmar Stadium Nagai. The 46th edition is set for Sunday, January 31, 2027, with a 12:15 start. The course covers 42.195 km through central Osaka, including Osaka Castle Park, Midosuji and Yodoyabashi. It is a World Athletics Platinum Label event on a JAAF-sanctioned, WA/AIMS-certified course. Entry is limited to women aged 19 or older on race day who meet a qualifying standard, such as a marathon under 3:07:00 or a half marathon under 1:25:00. Applications go through the JAAF entry system from October 13 to December 8, 2026. Selection results are emailed by mid-December. This is a different event from the mass-participation Osaka Marathon held in the same city in February.

Previous edition results — 2026

Course Highlights: 01Yanmar Stadium Nagai – start and finish of the race
02Osaka Castle Park – part of the route through central Osaka
03Midosuji – the main boulevard the course uses
04Yodoyabashi – business district on the route
Time Limit: Cut-offs: 5 km 12:38, 20 km 13:45, 30 km 14:30, 38 km 15:08
Boston Qualifier: This race is a certified Boston Marathon qualifying event. Achieve your qualifying standard here on a verified course.

Minimum Age: 19 years
Entry Methods: Apply through the JAAF entry system at athleticfamily.jaaf.or.jp from Oct 13 to Dec 8, 2026.
Selection results are emailed by mid-December and payment must be made by the deadline.
Eligibility: Women who are 19 or older on race day.
Marathon qualifying time under 3:07:00.
Alternative standards: 30 km under 2:08:00, half marathon under 1:25:00, or 10,000 m/10 km under 36:00.
Required Documents: Domestic runners must bring a health insurance card; a copy is accepted.
A photo ID such as a student ID, employee ID, driver's license or passport copy is needed for doping control.
Cancellation & Refund Policy: No refunds of the entry fee for voluntary cancellation after applying.
If the event is cancelled for reasons beyond the organizers' control, refunds are decided case by case.

Questions about the Osaka International Women's Marathon 2027

When is the Osaka International Women's Marathon 2027?

Sunday, January 31, 2027.

What time does the Osaka International Women's Marathon start?

The race starts at 12:15 PM, local time.

What is the Osaka International Women's Marathon time limit?

Cut-offs: 5 km 12:38, 20 km 13:45, 30 km 14:30, 38 km 15:08.

How do I enter the Osaka International Women's Marathon 2027?

Registration is open. Oct 13, 2026: Entries open. Dec 8, 2026: Entry deadline. Ways in: Apply through the JAAF entry system at athleticfamily.jaaf.or.jp from Oct 13 to Dec 8, 2026; Selection results are emailed by mid-December and payment must be made by the deadline.

When and where is packet pickup for the Osaka International Women's Marathon?

Jan 30, 2027: Bib pickup at Hotel New Otani Osaka.

What is the Osaka International Women's Marathon course like?

60 m of total elevation gain. It passes Yanmar Stadium Nagai, Osaka Castle Park and Midosuji.

What is the weather like at the Osaka International Women's Marathon?

Race-day temperatures are usually 3–10 °C (37–50 °F).

Where are the Osaka International Women's Marathon results?

The official 2026 results are on the organizer's site. Official results

Is the Osaka International Women's Marathon a Boston qualifier?

Yes. This race is a certified Boston Marathon qualifying event.

Prepare for This Race

Pace CalculatorPlan splits for marathon Race PredictorPredict your marathon time BQ CalculatorBQ-eligible course Fuel PlannerPlan nutrition for marathon, cool weather Difficulty Analyzer197ft gain, 43°F avg, marathon Training PacesTraining zones for marathon

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