icainternationalmarathon.com

ICA International Half Marathon

location_on

Slave Island, Western Province, Sri Lanka

calendar_today 14 Dec, 2025

About the Event

Experience a world-class running event with a purpose at the ICA International Half-Marathon in Colombo on December 14, 2025. This spectacular second edition invites you to choose your challenge across a 21.1km, 10km, or 5km course, all set against the stunning backdrop of Colombo's scenic coastline and vibrant cityscape. Following a successful debut that drew over 1,400 runners from 20 countries, the event has cemented its status as a premier international running festival. By participating, you're not just racing for a personal best but also supporting vital CSR initiatives in Sri Lanka, from organ donation awareness to environmental projects. Join a global community of athletes for a sunrise start at Galle Face Green and be part of a movement that celebrates health, unity, and positive change.

Races Offered

Challengers Run

Dec 14, 2025

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Distance — 10K

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Type — —

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04:00

Family Run

Dec 14, 2025

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Distance — 5K

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Type — —

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04:00

Half-marathon

Dec 14, 2025

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Distance — 21.1K

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Type — —

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04:00

Weather Overview

These values represent the 3-year monthly averages for December in Slave Island.

Temp (°C)

Feels Like (°C)

thermostat 23.1° / 29.5°

wb_sunny 26.1° / 33.0°

Wind (km/h)

Humidity (%)

air 8.7 /

water_drop 84.4%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 23.1° / 29.5°

wb_sunny 26.1° / 33.0°

air 8.7 km/h

water_drop 84.4%

About Slave Island

Learn more about the host city, Slave Island.

Slave Island, officially known as Kompagngna Veediya, also known as Kampong Kertel and Kompanna Veediya and formerly known as Javanam Quarters during Dutch rule, is a suburb in Colombo, Sri Lanka, located directly south of the Fort. The suburb contains Beira Lake, a large lake and its esplanade is visited by many for recreation. Company Roads is mostly a commercial area with hotels, shopping centres, street food stalls, and is known for its multicultural, especially Malay heritage.