It feels counterintuitive to slow down when you want to get faster. Many runners link improvement to harder efforts, faster paces, or total exhaustion after workouts. When a training plan prescribes easy runs, you might wonder: Does this really help, or do I just waste time?

The short answer: yes, slow miles make you faster! But the "Why" matters.

The Purpose of Easy Running

Easy runs serve as the foundation of endurance training, not filler. When we run at a truly easy effort, our bodies adapt in ways impossible when every run feels hard. We teach our bodies efficiency, improve oxygen use in muscles, and build durability. These adaptations allow us to handle harder workouts later and sustain faster paces on race day! We may not feel the work, but important changes occur beneath the surface.

Why Hard All the Time Doesn't Work

A common mistake involves too much time in the middle ground. Not truly easy, but not a quality workout either. This "gray zone" effort feels productive but often leads to fatigue or injury. When every run feels moderately hard, your body never fully recovers. Without recovery, adaptation stops. We end up tired and frustrated that your pace stalls despite the effort. Slow down on easy days to unlock speed on hard days.

Easy Pace is Personal

Runners often resist a slower pace because it feels uncomfortably slow, especially when we focus on pace alone. But easy effort requires ignoring the watch number. Focus on how your body feels.

To ensure you stay in the right zone, target these metrics:

• -Heart Rate: Stay in Zone 2, which is < 70% of your Max Heart Rate.
• -Rate of Perceived Effort: Aim for an RPE of 5-6 (out of 10).

A true easy run allows for conversation. We finish with energy to spare, not a need to lie down. On days with stress, fatigue, or bad weather, the pace might drop more than expected. This signals that we respect our bodies’ needs, not a loss of fitness. As fitness improves, our easy pace speeds up naturally. Don't force it; let it happen.

Trust the Process

Trust remains the hardest part when progress seems invisible. Fitness builds gradually. The payoff often arrives weeks or months later. A pace that once felt difficult becomes manageable, or we finish a race stronger than ever before.

When we feel stuck, constantly fatigued, or frustrated by a lack of progress, a slower pace might provide the exact solution needed.

Moral of the Story

Slow runs are not a step backward. They represent a strategic choice for long-term improvement, consistency, and health. Give your body space to adapt, recover, and grow stronger to set yourself up for speed when it counts. If your training plan calls for an easy day, embrace it. Those slow miles likely do more for your performance than you realize. Sometimes, the fastest way forward is to slow down! :)

Need help calculating your HR zones?

If you aren't sure what your Max Heart Rate is, please reach out to your coach and we’ll help establish some targets.