Free tools for runners

The calculations Kovr runs automatically, opened up for anyone. No sign-up, no email — just honest numbers.

Heat-adjusted pace calculator

Enter the temperature, humidity and your pace — see what today’s air costs per kilometre, and your adjusted finish time from 5K to the marathon.

Carb loading planner

Turn “8–12 grams per kilo” into an actual day of eating — your total, split into six realistic meals with plate-level portions.