Two Feet In: The Woman Who Applied for a One-Way Ticket to Mars episode artwork

EPISODE · Aug 27, 2025 · 1H 8M

Two Feet In: The Woman Who Applied for a One-Way Ticket to Mars

from Big Stuff With Danielle Colley · host Danielle Colley

Enjoyed this and want to let us know? Drop us a textWhat would you do if offered the adventure of a lifetime - knowing you could never come home again?Dr. Dianne McGrath said yes. Out of 200,000 applicants worldwide, she made it to the final 100 candidates for Mars One - a one-way mission to colonize Mars. For eight years, Dianne prepared to leave Earth forever, knowing she'd never see her family again.This is the story of what happens when you stop asking "Am I qualified?" and start asking "What am I capable of?" Despite having no astrophysics background, Dianne refused to disqualify herself from humanity's next giant leap. She biohacked her way to incredible bone density, had difficult conversations with family about never coming home, and built mental resilience for the isolation of space.This conversation explores the psychology of extreme goals, the power of calculated risk-taking, and how the hardest challenges bring out our best selves. Dianne's warmth and wisdom will challenge everything you think you know about limits and what's truly possible when you commit with "two feet in."Connect with Dr. Dianne McGrath - On The WebsiteOn Her InstagramOn her LinkedInBecause sometimes the biggest risk isn't taking the leap - it's never finding out what we're truly capable of.Enjoyed this episode? Share it with someone who needs to hear about the power of audacious goals. Subscribe so you never miss an episode of Big Stuff.What's your Mars? Drop us a message about the big dream you've been telling yourself you're not ready for.Connect with Danielle via her website here.Follow her Instagram here.Listen to her audio book, The Chocolate Bar Life on SpotifyAbout this episode - 00:00 Introduction and Setting the Stage00:40 Meet Dr. Dianne McGrath: Mars One Candidate01:41 The Mars One Journey Begins02:07 Dianne's Determination and Mindset03:42 The Mars One Application Process06:31 Training and Preparation for Mars13:53 Public and Personal Reactions22:50 Health and Fitness Challenges35:37 Reflecting on Generational Differences36:40 Preparing for a One-Way Trip to Mars38:13 Mental Health and Astronaut Challenges39:43 Conversations About Death and Loss44:09 The End of the Mars One Dream55:46 Finding New Challenges and Adventures01:03:53 Embracing New Opportunities01:06:08 Final Thoughts and Reflections 

Episode metadata supplied by the publisher feed · Published Aug 27, 2025

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Enjoyed this and want to let us know? Drop us a text What would you do if offered the adventure of a lifetime - knowing you could never come home again? Dr. Dianne McGrath said yes. Out of 200,000 applicants worldwide, she made it to the final 100 candidates for Mars One - a one-way mission to colonize Mars. For eight years, Dianne prepared to leave Earth forever, knowing she'd never see her family again. This is the story of what happens when you stop asking "Am I qualified?" and start askin...

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Two Feet In: The Woman Who Applied for a One-Way Ticket to Mars

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