The Ultimate Indoor Ultra Challenge
LOST OUR MARBLES
The Story Behind Lost Our Marbles
Lost Our Marbles was born from a desire to bring runners together, break down barriers, and shine a light on mental health. Inspired by Chris Tetlock’s own journey, overcoming adversity, loss, and finding strength through running, this event is more than just a race. It’s a celebration of resilience, community, and the power of doing hard things together. The name is a playful nod to both the mental challenge of ultra running and the importance of finding joy, even in the toughest moments.
Lost Our Marbles is an indoor ultra event like no other
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Choose Your Challenge: 3-hour, 6-hour, or 12-hour timed events
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Track Your Progress: Each lap, collect a marble, keep your mind sharp and your spirits high!
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All Indoors: Enjoy a controlled environment—no weather worries, just pure focus on your run
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Open to All: Whether you’re a seasoned ultra runner or new to the sport, everyone is welcome
Mental Health & Community Focus
At its heart, Lost Our Marbles is about more than miles. It’s about supporting each other, raising awareness for mental health, and building a community where everyone feels seen and valued. A portion of event proceeds goes to local mental health initiatives, making every step count for something bigger.
What Makes It Unique
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The Marbles: A fun, interactive way to track your laps and stay engaged
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Supportive Atmosphere: Camaraderie, encouragement, and plenty of laughs—even when the going gets tough
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No Barriers: Clean facilities, easy access to water and support, and a welcoming vibe for all
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Mental Challenge: Test your endurance, focus, and determination in a safe, supportive space
Details
Date & Location: Nov 29 2025 - City of Regina Fieldhouse
Registration: Sign up through our event partner Race Roster
Who Can Join: All levels welcome, come solo or bring your friends!