Doc Lyss Fitness

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1.6K videos

⚡️The best channel for science-backed hybrid running, cardio, hyrox, and lifting training. Welcome to Dr. Alyssa Olenick's official YouTube channel! With a P...

Latest Videos

The PERFECT Hybrid Training Split (Run + Lift Without Burning Out)

My Worst Race After 18 Ultra Finishes Desert Peaks 100k

How to Calculate Your Running Zones WITHOUT a Lab Test

The HYROX Sled Push Mistake Costing You Minutes

Thinking About Trail Running Watch This First

One Side Stronger Here's Why (And How to Fix Imbalances)

Most people train for Hyrox entirely wrong - PR your next race (Science Backed)

The Best Weekly Split for Hybrid Athletes (Backed By Science)

How to Set Up for a Stronger, Safer Deadlift

If You're A Slow Runner, These 5 Speed Workouts Change EVERYTHING

Why Every Runner Should Be Doing Striders (Backed By Science)

Why You’re Not Getting Faster at Running (PhD Explains)

What to Eat Before Early Morning Runs (Backed By Science)

I’m a PhD—Here’s How You ACTUALLY Should Be Hybrid Training

Long Run Fueling Explained How Much to Eat, Drink & When

Is Walking Real Exercise The Honest Answer

What They Won't Tell You About Running, Lifting, and Cardio

What It’s Like to Be an Athlete With Hypermobility

3 Lifting Splits That ACTUALLY Work for Runners

Running Zone 2 Is TERRIBLE Advice for Beginners, Here's Why

The Real Benefits of Cardio NOBODY Talks About

Most Trail Runners Train for Vert Completely Wrong

Your HYROX Warm-Up Is Sabotaging Your Race

My First Road Marathon After 17 Ultras Richmond Marathon Weekend Vlog

How I’m Tapering for My Marathon (and What the Science Says)

It’s Not Your Mobility — It’s Your Squat Setup

The Long Run That Changed Everything for My Marathon (Chatting Fueling, Pacing & More)

How to Fix Your Squat Instantly (Hint It’s Not About Depth)

I Traded Marathon Training for the Swiss Alps (10 Days Off!)

'Perfect Form’ Is a Myth (What to Focus on Instead)