The Explorers’ Extreme Trifecta
First on Land, Sea and Air
About
To complete the Explorers’ Extreme Trifecta, an individual must reach extremes on:
- Land, reaching the top of Mount Everest
- Sea, reaching the bottom of Challenger Deep
- Air, passing the Kármán Line into Space
8,848 m
Mt. Everest
Tallest in the world
10,934 m
Challenger Deep
Deepest in the world
107,000 m
Sub-Orbital Space
Passing the Kármán Line
List of People
Victor Vescovo – First Man – June 4, 2022
Vanessa O’Brien – First Woman – August 4, 2022
Contact
Vanessa O’Brien, FRGS, a British and American mountaineer, sub-orbital spaceflight participant, explorer, author, and former business executive, created and maintains this website.
For any questions or feedback about the Explorers’ Extreme Trifecta website, please contact Vanessa directly at vanessa@vobonline.com. Or visit Vanessa’s website at www.vobonline.com.