Your Running Tools, Perfected

Built by Runners for Runners

Welcome to Zelo, your one-stop destination for running tools designed by passionate runners. Choose from our selection of features to enhance your running experience.

Pace Calculator

Calculate and plan your ideal running pace

Shoes Recommender

Answer a few questions to get recommended your next running shoes

BMI Calculator

Calculate your body mass index

Shoe Size Converter

Convert between US, UK, and EU shoe sizes