Intervals
3 articles
TrainingJune 18, 2026 · 7 MIN
HIIT for Endurance Athletes: High-Intensity Interval Training That Actually Works
High-intensity interval training dramatically improves VO2max and lactate threshold in less time than traditional volume. Here's the evidence-based approach — protocols, scheduling, and when not to use it.
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TrainingJune 15, 2026 · 8 MIN
5K Training: The Science of Racing 5 Kilometres Faster
The 5K looks short. It isn't. Racing 5 kilometres at maximum effort requires the highest aerobic intensity of any common road distance. Here's the training science that actually moves the number.
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TrainingApril 21, 2026 · 9 MIN
VO2 Max Explained: What It Is, How to Test It, and How to Improve It
VO2 max is the single best predictor of endurance performance. Here's what it measures, how to find yours — and the training methods proven to raise it.
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