Blog

Guides, comparisons and deep dives on running analytics, training data and the tools that help you understand your progress. Whether you are figuring out heart rate zones, choosing a free pace calculator or learning what your watch data actually means, start here.

Featured

Pace It Featured on the5krunner

the5krunner published an in-depth look at Pace It covering the analytics engine, pace-at-effort trends, the Apple Watch workout app and how the app fits alongside Strava and Garmin.

July 9, 2026

Companion

How Pace It Works with Strava

Strava records your runs. Pace It shows whether they are making you faster. How the two apps work together to give runners both community and analytics.

July 5, 2026

Guide

How to Know If You Are Getting Faster at Running

Race times are not the only way to measure progress. Pace at the same heart rate, fitness scores and training load trends tell you whether your running is improving.

July 3, 2026

Guide

Understanding Heart Rate Zones for Running

What the five heart rate zones mean for runners, how to find yours, why zone 2 matters and how to track whether your zone training is working over time.

July 1, 2026

Comparison

Best Free Running Tools and Calculators (2026)

A roundup of the best free running calculators and tools available online. VDOT, pace calculator, GPX race pacer, run analyzer and more. No signup required.

June 28, 2026