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Custom Shoes Conquer Antarctic Chill for Runner
15 Nov
Summary
- Stephanie Case is the first woman to run 100 miles non-stop in Antarctica.
- Bespoke shoes were crafted in three weeks to withstand extreme cold.
- The custom footwear provided crucial warmth and traction in sub-zero temperatures.

Ultramarathon runner Stephanie Case achieved a historic feat, becoming the first woman to run 100 miles non-stop on the Antarctic continent. She completed the Antarctic Ice Ultra on Monday, finishing second with a time of 17 hours, 31 minutes, and 59 seconds, battling temperatures as low as -31 degrees Fahrenheit (-35C).
Case's success was significantly aided by bespoke running shoes, developed by a creative agency in France. These unique prototypes were meticulously crafted over three weeks to provide essential warmth and traction on the icy terrain, addressing Case's concerns about poor circulation.
The custom shoes feature a fleece interior for insulation and a tightly knit, windproof, breathable outer fabric. While designed for running, they were made a size and a half larger than usual to accommodate thick socks and optional heat packs, ensuring Case's feet remained functional and protected from the extreme cold.