54-day solo Antarctica crossing
Colin O'Brady completed the first solo, unsupported, unaided crossing of Antarctica in 54 days, covering just under 1,000 miles.
Snapshot · The School of Greatness
54 Days Alone in Antarctica, Pulling 375 Pounds | Colin O’Brady
Explore episode
Jul 3, 2026
Where this was said
Welcome & The Antarctica Crossing Overview
At 2:07 · chapter starts 1:49
Lewis opens by recapping the Antarctica crossing for new listeners — 54 days, unsupported, unaided — and Colin corrects his figure from 55 to 54 days with a smile. The geography of the traverse is established: just under 1,000 miles from one coast via the South Pole to the other. Colin paints the conditions in visceral terms: -25 to -30°C average, 50-60 mph wind gusts, and a wind chill of -80°F — demonstrated by the image of boiling water instantly turning to ice in the air. [1] — Colin O'Brady "-80°F wind chill in Antarctica: Wind gusts of 50-60 mph in Antarctica created wind chills as low as -80 degrees Fahrenheit, making it one o…" 04:04 The conversation moves to the 'if you sweat, you die' adage of polar exploration, and Colin explains the delicate art of staying comfortably cool while hauling a 375-pound sled. He then grounds the achievement historically: 100 years of attempts since Shackleton, teams, kites, dogs — all have been used, but the solo, unsupported, unaided form had never been achieved.
The Impossible First: What It Actually Took
No resupplies, no kites, no dogs, no human contact — just a man and a 375-pound sled for 54 days. Colin O'Brady describes the pure challenge of the Antarctica crossing and why 100 years of explorers, including Shackleton, tried and failed to accomplish it in its most uncompromising form.
-80°F wind chill in Antarctica
Wind gusts of 50-60 mph in Antarctica created wind chills as low as -80 degrees Fahrenheit, making it one of the most extreme environments on Earth.
Explorers Grand Slam in 139 days
Colin set the world record for the Explorers Grand Slam — all 7 summits plus both poles — completing all 9 expeditions consecutively in 139 days.
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