Half marathonRoad🇯🇵 Soja, Japan

Soja Kibiji Marathon (Half)

Sunday, 28 February 2027In 5 months · Start 09:20

The certified half of the Soja Kibiji Marathon, the biggest distance of the day, through the rice fields and temples of the old Kibi province.

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Facts checked 10 Oct 2026 against runjapan.jp.

Elevation gain

60 m

Flat · ↓ 60 m

Start altitude

16 m

above sea level, from terrain data

Temp at start

7°C

Peaks around 11°C

Entry fee

≈ $50

Open entry

Finishers

—

typical year

Course

Loop

3.5h cut-off

Getting thereFly into OKJ (Okayama), about 14 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Flat: about 60 m of climbing and 60 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

7°C

Peak during race

11°C

Humidity

57%

Chance of rain

16%

Wind

11 km/h

Race day in past years

Historical averages for 28 February ±3 days, 2016–2025, from 09:20 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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<a href="https://irun42.com/race/soja-kibiji-half" title="Soja Kibiji Marathon (Half) on iRun42"><img src="https://irun42.com/badge/soja-kibiji-half.svg" width="300" height="120" alt="Soja Kibiji Marathon (Half): course, elevation and race-day weather on iRun42" /></a>