
The Science of Speed vs Endurance at Different Running Distances
From Tread Lightly Running Podcast by Amanda Brooks and Laura Norris
February 28, 2026 · 34 min · Episode 157
About this episode
This episode explores the differences and similarities in training for various running distances, including the metabolic and mechanical aspects of speed and endurance.
A 5K and a marathon are objectively different distances - but they are also more similar than you think. If you’ve ever wondered why the 5K is technically a long-distance race, or what the difference between training for a mile and a marathon is, this episode is for you! We’ll discuss the metabolic and mechanical differences of the short, middle, and long distances, plus how those theoretical differences translate into training. Thank you to our sponsors: ✨ Wahoo KICKR RUN : A treadmill that feels like running outdoors. Shop here: http://bit.ly/4nai73H and read the full review: https://runtothefinish.com/wahoo-kickr-run-treadmill/ ✨ Probio : NSF-certified, clinically dosed, all-in-one supplement. Use this link for 40% off your order or 50% off and free shipping on a subscription. ✨Join us on Patreon.com/treadlightlyrunning or subscribe on Apple Podcasts for special subscriber-only content! In this episode, you’ll learn: ✅ Which race distances are aerobic, and which are anaerobic? ✅ The mechanical differences between short, middle, and long distances ✅ The spectrum of muscle fiber typology ✅ The different metabolic demands of short, middle, and long distances ✅ The training…
People in this episode
Hosts: Amanda Brooks, Laura Norris
Topics covered
- running distances
- speed vs endurance
- training differences
- metabolic demands
- muscle fiber typology
Keywords
- 5K
- marathon
- training
- metabolic differences
- muscle fibers
- aerobic
- anaerobic
Sponsors
Wahoo KICKR RUN, Probio
Mentioned in this episode
Products: Wahoo KICKR RUN, Probio
Books & works: How Much Do Genetics Impact Your Running Performance?, How Much Does VO2max Actually Matter?, What Running Economy Really Means for Your Performance
Places: Patreon.com
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