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Mt. Akagi 100 Ultra Marathon 2026 (赤城山100ウルトラマラソン 2026)

Name: Mt. Akagi 100 Ultra Marathon 2026 (赤城山100ウルトラマラソン 2026)
Start: 2026-09-27
End: 2026-09-27
Location: Maebashi

Maebashi, Gunma, Japan

calendar_today 27 Sep, 2026

directions_run Running

language Official Website

sell $94.80

About the Event

A grand ultramarathon crossing the five cities and one village at the sprawling foot of Mt. Akagi, one of Japan's 100 Famous Mountains, celebrated for its wide-reaching base. With about 2,082m of cumulative elevation gain, take on one of Japan's most challenging courses of repeated climbs and descents, and test your own limits. Entry fee: 100km: ¥15,000

Races Offered

100km

Sep 27, 2026

straighten

Distance — 100K

terrain

Type — Running

timer

45 days remaining

sell

$94.80

Weather History

These values represent the 3-year monthly averages for September in Maebashi.

thermostat Temperature

22.0° / 29.2°

wb_sunny Feels like

24.5° / 32.1°

light_mode Avg sunshine hours

8h 39m

water_drop Avg rainfall

5.3 mm

ac_unit Avg snowfall

—

air Avg wind speed

5.9 km/h (Light breeze)

opacity Sweat loss rate

Very high

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

77.8%

wb_twilight Sunrise

05:26

nightlight Sunset

17:50

Runner Reviews

Read what other athletes have to say about their experience at the Mt. Akagi 100 Ultra Marathon 2026 (赤城山100ウルトラマラソン 2026).

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