[ pacing & performance.tools ]

10K pace chart from 35 to 70 minutes. Read your goal time across to the pace per km and per mile it needs, wit

5K pace chart from 16 to 35 minutes. Read your goal time across to the pace per km and per mile it needs, with

Get your WMA age-graded percentage and open-age equivalent time for any race distance. See your standard from

Check your Boston Marathon qualifying standard by age and sex, your margin, and the buffer recent cutoffs need

Adjust your goal running pace for heat and humidity, altitude and wind, with a per-factor breakdown. Free envi

Convert your pace on a hill into the flat-equivalent pace using the Minetti energy-cost model. Works uphill an

Half marathon pace chart from 1:20 to 3:00. Read your goal time across to the pace per km and per mile it need

Marathon pace chart from 2:45 to 6:00. Read your goal time across to the pace per km and per mile it needs, pl

Turn a goal time into a per-km or per-mile pace band with even, negative or positive splits and a running cloc

Running pace chart in min/km and min/mile. See what one pace produces at 5K, 10K, half and full marathon, then

Riegel, Cameron and Daniels VDOT predict different marathon times from the same 5K. See each formula, what it

Predict your 5K, 10K, half, or marathon time from a recent race using Riegel's formula. Free running race time

Enter a target age grade percentage, your age and sex, and get the 5K, 10K, half or marathon time you need to

Enter a VDOT score and get the equivalent 5K, 10K, half and marathon times plus easy and threshold pace, with

Set run and walk intervals and paces to get your effective pace and predicted finish time over any distance. F

Work out stride length and step length from your cadence and speed, or find the cadence for a target stride. F

The Running Calorie Calculator estimates calories burned from body weight and distance, with net and gross fig

Film 15-20 seconds on a treadmill from the side and get cadence, foot landing, knee bend, lean and bounce meas

Convert a distance and time into pace per kilometre and per mile, plus speed in km/h and mph. Free running pac

Convert a swim time between short course yards, short course metres and long course metres for any event. Free

Calculate your Critical Swim Speed from a 400m and 200m time trial, then get your swim training paces per 100m

Build swim send-off times from a target pace per 100, rep distance and rest. Pairs with your CSS pace. Free, n

Turn any swim distance and time into pace per 100 and per 50, with split targets for your set. Free swim pace

Estimate calories burned swimming from body weight, session time, stroke and effort using research-based MET v

Calculate your SWOLF score from time and strokes per length, with a benchmark band by pool length and stroke.

Convert treadmill speed and incline into pace per km and mile, plus the equivalent flat outdoor pace at the sa

Calculate swim, bike, run, and transition splits for Sprint, Olympic, 70.3, and Ironman from your pace and spe

Enter one race time and get your VDOT, Daniels training paces (easy, marathon, threshold, interval, repetition

Estimate what a change in body weight does to your 5K, 10K, half or marathon time, from measured data rather t