Osaka Half Marathon
Osaka Half Marathon is listed for January 31, 2027 in Japan. Listed distances: Half Marathon. Check registration status, official links, and the runner planning notes below, then confirm final details with the organizer.
About this race
The Osaka Half Marathon is a 21.0975 km race run each late January in Osaka, Japan, alongside the elite Osaka International Women's Marathon, whose leaders its runners meet mid-course. Founded in 2006, it starts by Osaka Castle Park's east side and finishes in Yanmar Stadium Nagai on a flat, JAAF- and World Athletics/AIMS-certified course built for personal bests. Around 6,000 run it in cold, dry midwinter under a strict 2-hour-5-minute cutoff. The 2027 edition is on January 31.
Is this race a fit?
These notes are generated from listed Sunday Marathon race facts. They are meant for shortlisting and planning, not as a replacement for official organizer instructions.
- Date And Schedule
Osaka Half Marathon is currently listed for January 31, 2027, which makes the January planning window important for training and travel. Recheck official timing before race week.
- Location Base
Plan around Japan, then verify the exact start area, finish area, packet pickup, and post-race exit route before booking non-refundable travel.
- Course Fit
Listed course signals include road surface, point to point course, certified course. Use them to compare effort, pacing risk, and training fit before relying on the race for a specific goal.
- Entry Readiness
No direct registration link is listed here yet; use the official/source link or send a correction if you find the current entry page.
Key facts
- Date
- January 31, 2027
- Location
- Japan
- Start area
- Osaka Castle Park east side — Osaka Castle Park, Osaka, Japan — confirm the exact start with the organizer
- Events
- Half Marathon
- Surface
- Road · Certified
- Certified course
- AIMS / World Athletics
- Official source
- Registration page & official site
- Listing status
- Verified · updated Jul 24, 2026
Before you register
- 1Confirm the race-day schedule
Verify the January 31, 2027 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use Japan as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are Half Marathon. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
Runner reviews
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