WATCH: Mom becomes first woman to run 100 miles in Antarctica
ABC News' Danny New talks to a Canadian ultramarathoner becoming the first woman ever to run 100 continuous miles in Antarctica.

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WATCH: Mom becomes first woman to run 100 miles in Antarctica (opens ABC News in a new tab)
ABC News' Danny New talks to a Canadian ultramarathoner becoming the first woman ever to run 100 continuous miles in Antarctica.

