Will I get faster just by running in Zone 2 ?
Does Zone 2 Running Make You Faster?
Zone 2 running alone will not dramatically increase your pace.
However, it does steadily improve your endurance — your ability to run longer without fatigue. Today, I’ll summarize the core ideas of Zone 2 training explained by the YouTube channel Running Behind.
Why You Should Train in Zone 2
If you're new to running, Zone 2 training is the best place to start. Pushing too hard early makes running feel burdensome — and eventually leads to quitting.
In short, Zone 2 turns your body into a more efficient “engine” built for endurance running.
Understanding Zone 2 & Heart Rate Myths
Many people say:
“My heart rate shoots over 160 even when I jog…”
Training zones (Zone 1–5) are simply a guideline. Zone 2 is often marked as 60–70% of max HR, but that’s only a loose estimate.
This means you should be able to hold a conversation while running and feel like “Yeah, I could keep going a bit longer.”
In terms of RPE (Rate of Perceived Exertion), Zone 2 corresponds to 8 or below on a 1–20 scale.
Zone 2 & Heart Rate Variations
Even among people with identical maximum heart rates, Zone 2 varies widely. This was proven in experiments comparing multiple runners.
So don’t obsess over numbers — instead, focus on running at a pace where your breathing is relaxed and steady.
Want to Increase Your Speed?
Zone 2 alone won’t improve speed much because it doesn’t stimulate fast-twitch muscle fibers.
To get faster, mix in hill runs, tempo runs, or interval training once or twice a week.
Efficient Running Routine
Instead of running 10km hard every day, build endurance with Zone 2 during the week and add a high-intensity session 1–2 times weekly.
This method is far more effective — and reduces injury risk.
“Running hard is important, but 80% Zone 2 and 20% intensity is the key to real improvement.”

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