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CNX 100K Ultra Marathon 2026

Name: CNX 100K Ultra Marathon 2026
Start: 2026-10-03
End: 2026-10-03
Location: Chiang Mai

Chiang Mai, Chiang Mai, Thailand

calendar_today 03 Oct, 2026

directions_run Running

language Official Website

About the Event

The CNX 100K Ultra Marathon 2026, set for October 3, 2026, challenges runners with an arduous yet rewarding course through the scenic landscapes of Chiang Mai. This ultra-distance event offers participants a grueling but exhilarating experience over its full 100 kilometers.

Races Offered

CNX 100K Ultra Marathon 2026 - ULTRA

Oct 03, 2026

straighten

Distance — CNX 100K Ultra Marathon 2026 - ULTRA

terrain

Type — Running

timer

1 days remaining

Weather History

These values represent the 3-year monthly averages for October in Chiang Mai.

thermostat Temperature

22.0° / 30.0°

wb_sunny Feels like

25.7° / 34.3°

light_mode Avg sunshine hours

10h 15m

water_drop Avg rainfall

6.4 mm

ac_unit Avg snowfall

—

air Avg wind speed

3.7 km/h (Light breeze)

opacity Sweat loss rate

Very high

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (4.8)

humidity_mid Humidity

84.4%

wb_twilight Sunrise

06:18

nightlight Sunset

18:01

Things to Do Nearby

Tours and activities near Chiang Mai, powered by Viator.

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Runner Reviews

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About the Event