Blog
Myth-busting, evidence-based running guides across training science, marathon racing, recovery, and getting started — see what science really proves.

Featured · Workouts & Sessions
Interval Training Guide: Minutes in the Red Zone
Intervals don't work because they hurt. They work because of minutes spent near VO₂max. The protocols, the dose, the hills, and what the trials show.
Workouts & Sessions
How each kind of run works and how to run it: intervals, tempo, long runs, and the paces that govern them.
Metrics & Physiology
The numbers behind training and what they really mean: thresholds, DFA a1, ACWR, CTL/ATL/TSB, VO₂max, HR zones, running economy.
Marathon & Racing
Marathon-specific training, pacing, and the physiology of racing at every distance.
Recovery & Health
Sleep, HRV, nutrition — the unglamorous work that lets training adaptations stick.
Getting Started & Injury Prevention
Evidence-based guidance for new runners, and staying healthy while you build volume.
Product Updates
What's new at Runima: features, watch faces, and releases.

























