597 | Sub-Zero Endurance & Thriving In Adversity with Joshua Brown

In this episode, Mark is joined by Joshua Brown—an accomplished Alaskan hunter and the only person to complete the historic 1,000-mile Iditarod Trail on foot, bike, and skis. Drawing from his background in extreme winter endurance events and backcountry hunting, Josh breaks down how to survive, perform, and make critical decisions when pushing into remote shoulder-season and sub-zero environments. Key Topics & Takeaways: The Human-Powered Iditarod: Josh explains the history of human-powered Iditarod events, comparing the unique demands of completing the 1,000-mile trek via foot, fat bike, and cross-country skis. Extreme Cold Hydration & Fueling: Why dehydration happens faster in sub-zero temps, methods for keeping water systems from freezing, and why calories act as the internal furnace against hypothermia. Nutrition & Palate Fatigue: Balancing high-fat and carbohydrate needs with real-world palatability on long-duration backcountry events. Cold Weather Injury Prevention: Practical steps to prevent frostbite and hypothermia, including proper foot fitting, the strategic use of vapor barriers, and recognizing early warning signs of problems. The "Oh Crap" Bag & Self-Rescue Mindset: Why every hunter and adventurer must carry an emergency dry bag with dry base layers and a sleep system, treating self-rescue as the only reliable option. Layering & Moisture Control: Implementing the "cool, not cold" motto to prevent wetting out clothing through sweat, and choosing quick-drying synthetics/fleeces over hard-to-dry alternatives. Resources & Recommendations: Zojirushi Insulated Thermoses Andrew Skurka’s Vapor Barrier Guide Western Mountaineering HotSac Vapor Barrier Liner RAB Hooded Vapour Barrier Sleeping Bag Liner Feathered Friends Expedition Sleeping Bags Iditarod Trail Invitational Race Iditarod Trail Invitational Camp 8,000 Miles Across Alaska by Jill Homer The Hunt Backcountry Podcast is brought to you by Exo Mtn Gear: https://exomtngear.com/ Email Sign-up: https://exomtngear.com/newsletter Contact Us: [email protected] Leave A Message: https://speakpipe.com/huntbackcountry Podcast Episode Archive: https://exomtngear.com/podcast