In 2002, 23-year-old French snowboarder Marco Siffredi vanished without a trace while attempting to snowboard down Mount Everest's treacherous Hornbein Couloir. This gripping episode of Disaster Strikes explores the tragic story of an elite extreme athlete whose deadly obsession with conquering Everest's most dangerous descent route led to one of mountaineering's most haunting mysteries.
Discover Marco's meteoric rise in the world of extreme snowboarding, his groundbreaking first successful descent of Everest, and the fatal final expedition that turned him into a legend. Host Kaycee McIntosh examines the thin line between calculated risk and deadly obsession in this cautionary tale of ambition, skill, and nature's ultimate indifference.
00:00 Introduction to Case Knives
00:20 Welcome to Disaster Strikes
01:00 The Story of Marco Sidi Begins
01:50 Marco's Early Life and Influences
03:21 Marco's Rise in Extreme Snowboarding
06:56 The First Everest Descent
08:45 The Obsession with Hornbein Couloir
11:20 Ruff Greens
12:28 The Final Expedition
17:20 The Mysterious Disappearance
22:16 Legacy and Lessons
26:33 Conclusion and Reflection
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Primary Sources and Comprehensive Accounts
Books:
- Evans, Jeremy. See You Tomorrow: The Disappearance of Snowboarder Marco Siffredi on Everest. Falcon, 2021. ISBN 978-1-4930-5303-2. [The most comprehensive English-language account of Marco's life and disappearance]
- Chandellier, Antoine. La Trace de l'Ange: La vie de Marco Siffredi. Editions Guérin, 2005. ISBN 2-911755-83-9. [French biography]
Original Magazine Feature:
- Cook, Trey. "The Disappearance of Marco Siffredi." TransWorld SNOWboarding Magazine, Volume 19, February 2006. [Original definitive account of the disappearance]
Online Articles and News Sources
Comprehensive Articles:
- Serena, Katie. "How Marco Siffredi Vanished Without A Trace While Snowboarding Down Mount Everest." All That's Interesting, December 15, 2024. https://allthatsinteresting.com/marco-siffredi
- "The Disappearance of Marco Siffredi." TransWorld SNOWboarding, September 8, 2013. https://www.snowboarder.com/gear/the-disappearance-of-marco-siffredi
- Rue, Hayden. "Marco Siffredi: Disappearance of the Snowboarder on Everest." Hayden Rue Blog, September 1, 2023. https://haydenrue.com/mountaineering/marco-siffredi/
- Funnell, Rachael. "What Happened To Marco Siffredi? The First Person To Snowboard Down Mount Everest." IFLScience, December 5, 2024. https://www.iflscience.com/what-happened-to-marco-siffredi-the-first-person-to-snowboard-down-mount-everest-79487
- Renda, Matthew. "The Unsolved Case of Marco Siffredi." Tahoe Quarterly, April 23, 2021. https:
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