In the extreme conditions of the Antarctica Ice Ultra, athletes pushed their limits, with Paul Johnston and Roberto Sembiante setting a world record in the 100-mile race.
In the extreme conditions of the Antarctica Ice Ultra, athletes pushed their limits, with Paul Johnston and Roberto Sembiante setting a world record in the 100-mile race.
By Dr. Elizabeth Wishnick
**Introduction**
The US Department of Defense (DoD) 2024 Arctic Strategy highlights..