Ruby Pace

A fast and simple pace calculator for runners — from VMA to race-ready.

Calculate your pace, reach your goals.

Ruby Pace is a clean and fast pace calculator built for runners of all levels. Whether you're training for a 5K or a marathon, get the exact paces you need in just seconds — based on your VMA or a target time and distance.

From short intervals to long runs, Ruby Pace helps you train smarter, without the clutter.

Features:

• Calculate your training paces from your VMA
• Find your ideal race pace from a time + distance goal
• Clear, color-coded pace zones (easy, threshold, 10K, etc.)
• Simple interface, zero distractions
• Automatically saves your latest data
• Designed for focused runners who want to progress without overcomplicating things.

Turn your VMA into race-ready pace — instantly.