Articles
Stories, tips, and insights from the Runtra community
Why Elites Look Slow on Easy Days — and Why You Should Too
Elite runners do easy days 30-50% slower than race pace. Here's the science behind slow easy runs, and exactly how slow yours should be.
Telchatta Kumar
Your Threshold Run Is Probably Just a Medium Run in Disguise
Most threshold runs are too slow to count or too fast to repeat. Find your real threshold pace and use 3 sessions that actually build speed.
Telchatta Kumar
How to Suffer on Purpose Without Burning Out
Mental toughness is trainable, but only if you dose the suffering. The science-backed way to train hard on purpose without burning out.
Telchatta Kumar
You Don't Need a Gait Lab. You Need These 3 Tests
Three running form self-tests you can do at home in 15 minutes: a single-leg squat, a knee-to-wall ankle check and a phone video. Here's what to look for.
Telchatta Kumar
The "Junk Miles" Myth Is Costing You Fitness
Think easy runs are junk miles? The science says slow, easy mileage builds the engine that makes you fast. Here's why, and how to run it right.
Telchatta Kumar
Why Ultrarunners Eat So Much Sugar – and Why Your Long Run Should Too
Why do ultrarunners eat so much sugar? Your muscles run low on carbs after about 90 minutes. Here's how many grams per hour to eat on your long run.
Telchatta Kumar
Polarized vs. "A Little Tired Every Day": What 20 Years of Data Show
Polarized training vs threshold training: 20 years of studies show why mostly easy, sometimes very hard beats feeling a little tired every day.
Telchatta Kumar
Why Visualization Works for Olympians and Feels Fake for Everyone Else
Visualization for runners works when you rehearse the hard parts, not the medal. Why it feels fake, what the science says, and a 10-minute routine to try.
Telchatta Kumar
The Form Cue That Fixes Overstriding Without Thinking About Your Feet
How do you fix overstriding? Forget your feet. Try one research-backed cue, "run quieter", plus a simple 3-week plan to land closer under your body.
Telchatta Kumar
Why Kenya Keeps Producing the World's Fastest Runners
Why are Kenyan runners so fast? Not one magic gene, but altitude, childhood activity, running economy, culture and incentive. What the science shows.
Telchatta Kumar
What the Tarahumara Got Right About Endurance (and What We Invented)
Tarahumara endurance isn't a superpower. Learn what the Rarámuri really do – walk, run slow, run together – and which running myths we made up.
Telchatta Kumar
The 5 Training Paces That Matter (and the 12 That Don't)
The five running training paces that matter (easy, marathon, threshold, interval, repetition) and the 12 confusing labels you can stop worrying about.
Telchatta Kumar