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 [email protected]. Or visit Vanessa’s website at www.vobonline.com.