From first mile to race day
Plans, pacing, and the form cues that keep you running for years.
Couch to 5K is a nine-week walk-run progression originally created for NHS runners and still one of the best-tested ways to start running. The walk intervals are not a shortcut — they are the training. The American College of Sports Medicine and the British Journal of Sports Medicine back gradual aerobic progression as the safest path to 5K. This hub covers beginner plans, Zone 2 pacing, form cues, fueling, and plans that scale from 5K to the marathon.
Running is the high-impact sport most likely to make you stronger and most likely to hurt you. The distinction is volume and pacing. The guides below frame training the way Seiler, Laursen, and San Millán do — most weeks mostly easy, a few hard workouts, long runs that build aerobic capacity. Citations pull from the British Journal of Sports Medicine, ACSM, and the NHS Couch to 5K program.
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Weekly pacing, form, and training plans from first mile to race day.
Go deeper
Couch to 5K: The 9-Week Plan, Explained
The original NHS walk-run protocol, updated for 2026. Why the walk intervals are the training.
Zone 2 Cardio: What It Is and How to Find It
The pace that builds an aerobic base. What Attia and San Millán actually claim, and how to measure it without a lab.
Running Form: 3 Cues That Matter
Stop overthinking stride length. Three cues from running-biomechanics literature keep you injury-free.
Half Marathon Training Plan: 12 Weeks
A polarized-training plan adapted from Seiler's work. Long runs, tempo, and the hard-day / easy-day rule.
How to Breathe While Running
Nasal, mouth, rhythmic. What the research says, and the one that actually feels better at conversational pace.
Pace Calculator for 5K, 10K, Half, and Marathon
Plug in a recent race or long run to get predicted times and training paces for every distance.