Your first marathon
Long-term preparation, volume, nutrition and a strategy for 42.2 km.
Guides for smarter training
Practical advice to help you prepare for a goal without universal shortcuts or chasing unnecessary mileage.
Choose a goal or topic. Every guide explains not only what to do, but why it matters and how to adapt the advice to your own reality.
Never run before — or returning after a long break?Build a foundation with run/walk intervals and progress gradually from zero to 5K.
Already running 5K and ready for more?Choose the next goal that fits your current base.Your first 10KYour first half marathon
Want to understand training better?Guides to heart rate, load and recovery are on the way.
Getting started
GUIDE
How to start running
Go from zero to 5K in about eight weeks with run/walk intervals, easy pacing and solutions to the mistakes that most often derail beginners.
~9 min readOpen guideGUIDEYour first 10K
Progress from 5K to 10K in 6–10 weeks: extend one run, keep the effort easy and build endurance without unnecessary jumps.
~8 min readOpen guideRace preparation
Train smarter
Heart rate training
How to use zones without blindly following one number.
Training load
What load shows and how to read it alongside your own history.
Recovery
How sleep, easy days and rest fit into training decisions.
Guides work better with calculators.
Turn a goal into a specific pace, training zones or an indicative finish-time estimate.
A guide shows the direction. Pacero adapts the route.
Try a plan free for 14 days that responds to your completed runs, load and recovery. No card required.
Start for free