Okayama Marathon
Okayama Marathon brings 15,000 runners to a certified city course with river views, broad community support, Japanese race precision, and a stadium finish.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 21, 2026.
Quick facts
- JAAF-certified marathon with a 15,000-runner capacity.
- Six-hour time limit with intermediate checkpoints.
- Stadium finish at JFE Harenokuni Stadium.
About the Okayama Marathon
Okayama's large autumn marathon is organized by the prefecture, city, and local athletics federation. An overseas entry allocation makes the event accessible to visiting runners.
Course
The JAAF-certified 42.195-kilometre course starts near Shigeto Arena and finishes inside JFE Harenokuni Stadium. City roads, river sections, and timed checkpoints structure the six-hour race.
Race-day weather
November is typically cool and comfortable, though sun can warm exposed roads. Rain and moderate wind remain possible across the city course.
Past Okayama Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, November 8, 2026 | Upcoming | — |
| 2025 | Sunday, November 9, 2025 | Completed | Open results |
| 2024 | — | Completed | Open results |
Okayama Marathon FAQ
When is the Okayama Marathon?
The 2026 Okayama Marathon is on Sunday, November 8, 2026.
How do I register for the Okayama Marathon?
You can register for the Okayama Marathon at okayamamarathon.jp.
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