Half marathonRoad🇯🇵 Hadano, Japan

Hadano Tanzawa Minase Marathon (Half)

Sunday, 6 December 2026In 56 days · Start 08:45

A deliberately tough, rolling half from Hadano's Culture Park at the foot of the Tanzawa mountains in western Kanagawa, with a tight 2h25 cut-off.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 11 Oct 2026 against runjapan.jp.

Elevation gain

300 m

Hilly · ↓ 300 m

Start altitude

147 m

above sea level, from terrain data

Temp at start

8°C

Peaks around 12°C

Entry fee

≈ $45

Open entry

Finishers

—

typical year

Course

Loop

2.42h cut-off

Getting thereFly into HND (Tokyo), about 55 km from the start

Course map

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

Elevation profile

Hilly: about 300 m of climbing and 300 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

8°C

Peak during race

12°C

Humidity

65%

Chance of rain

11%

Wind

6 km/h

Race day in past years

Historical averages for 6 December ±3 days, 2016–2025, from 08:45 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 →

Share this race

WhatsApp Facebook X Email

Organizing this race? Add it to your website

Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

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