Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Training Pace Zones Calculator

Determine your personalized running pace zones from a recent race result. Use this before a training cycle to set effort-based targets for easy runs, tempo sessions, and intervals.

Recent Race Distance (km)

Race Time (minutes)

Fill in the required fields to see your result.

Running

Marathon Training Calculator

Plan your marathon buildup by calculating a weekly mileage target and ideal training paces from your goal finish time. Use it when structuring a training block weeks before race day.

Goal Marathon Time (minutes)

Current Weekly Mileage (miles)

Weeks Until Race (weeks)

Experience Level

Fill in the required fields to see your result.

Key differences

	Training Pace Zones Calculator	Marathon Training Calculator
Category	Running	Running
Inputs required	2	4
Result	Easy Pace (min/km)	Easy Run Pace (min/mile)
What it does	Determine your personalized running pace zones from a recent race result. Use this before a training cycle to set effort-based targets for easy runs, tempo sessions, and intervals.	Plan your marathon buildup by calculating a weekly mileage target and ideal training paces from your goal finish time. Use it when structuring a training block weeks before race day.