Course & Elevation
Run on the frozen Antarctic plateau at Union Glacier, the southernmost marathon on Earth. The course loops across pristine ice sheet at extreme altitude with minimal elevation changes but maximum environmental challenge. Runners experience the midnight sun and some of the planet's most extreme running conditions.
Course Facts
Distance 42.195 km
Elevation Gain 150 m
Surface mixed
Profile Rolling
Weather on Race Day
-25°C
Temperature
45%
Humidity
5%
Rain Chance
Severe cold with persistent winds and perpetual daylight. Extreme UV exposure and altitude effects create harsh but stable conditions. Participants must acclimatize to 2,600m elevation and sub-Arctic temperatures.
Get Your Training Plan
Free, personalized for this race
Get alerts for Antarctic Ice Marathon
Registration openings, date changes, sell-out warnings.