Calculators and templates
Evidence-backed calculators, pacing tables, and planning templates built for runners who track the details.
BMI Calculator for Runners
Calculate your Body Mass Index and understand what it means for running performance. Learn about optimal weight ranges for different race distances.
Threshold Pace Calculator
Calculate your lactate threshold pace from recent race times. Get accurate threshold training paces for tempo runs, cruise intervals, and threshold workouts.
Stride Length Calculator
Calculate your optimal running stride length based on height, pace, and cadence. Understand the relationship between stride length, cadence, and running speed.
VO2max Estimator
Estimate your VO2max from recent race times. Understand your aerobic fitness level and compare against population norms for your age and gender.
Running Economy Calculator
Estimate your running economy by comparing race performances. Understand how efficiently you convert oxygen into running speed compared to other runners.
VDOT Running Calculator
Calculate your VDOT score and get equivalent race times plus training paces. Based on Jack Daniels' proven methodology used by elite coaches worldwide.