How to Improve Your 5K Time: A Science-Backed Training Guide
Whether you're aiming to break 25 minutes or push under 20, these evidence-based strategies — from VO2max intervals to race-pace rehearsals — will help you run a faster 5K.
RacePotential Blog
From 10K to Marathon: How to Build Distance Without Getting Injured
Running a marathon is 4.2× the distance of a 10K — and it demands metabolic, structural, and mental adaptations that take months to develop. Here's the smart way to build up.
What Is VDOT? The Runner's Guide to Jack Daniels' Fitness Score
VDOT distills your running fitness into a single number. Here's what it measures, how it works, and why it's the most practical training tool most runners aren't using.
Interval Training for Runners: 5 Proven Workouts That Build Speed
Interval training is the fastest way to improve race times. Here are the five workouts that deliver real results — plus exactly how to pace them using your VDOT.
Building Aerobic Endurance: The 80/20 Guide for Runners
Aerobic endurance is the single most important factor in running performance from 1500m to marathon. Here's how to build it without burning out — and an 8-week plan to follow.
Running Economy Explained: Small Changes That Make You Faster
Two runners with identical VO2max can have 10K times that differ by 2–3 minutes. The difference is running economy. Here's how to improve yours.