Training and Race Pace Calculator for Runners - Next up we have

Training Pace Calculator Everything You Need For Pacing

How to Find Your Tempo Pace and Get Faster — Runstreet

Half Marathon Training Plan: 8 Weeks, Beginner, Intermediate & Advanced

Running Pace Chart for All Levels — Runstreet

Training pace calculator

Pace Calculator Running Explained

Pace Guide – One Cairn

Training Zone Calculators for Running

NRC Pace Chart in KM: I've used the Nike Run - Bridge to 10K

Running pace calculator: find your pace and your speed.