runbundle is a collection of running calculators, tools, articles, guides, training sessions, coaching items, and interviews designed to help runners reach their full potential.
RUNNING SPLIT CALCULATOR
Calculate splits for any running distance
GOOD 5K TIME
Find out how you measure up with our interactive article
AVERAGE 5K TIMES
View average 5k race time stats by gender, age, and country
MARATHON PACE CHART
At-a-glance splits for marathons from 2 hours to 8 hours
HEART RATE ZONES
Train at the perfect intensities with our heart rate zones calculator
CALCULATORS
Analyse and predict your performances with our range of running tools and calculators
TRACK SPLIT CALCULATOR
Instantly convert distances to laps of the track and see your splits
TRAINING SESSIONS
Over 40 individual and group sessions to help keep your workouts fresh
GUIDES
Comprehensive guides on the topics important to both novice and seasoned runners
WALKING CALORIE CALC
Estimate calories burned by walking at different speeds for different durations
DISTANCE CONVERTER
Quick conversion between popular running distances and various distance units
PACE/SPEED CONVERTER
Quick conversion between running paces, speeds, and finish times for popular races
AGE GRADING
Calculate and compare running performances across distances and age groups
RUNNING RANTS
A place for angry runners to get it all off their chests
TRAINING PACES
Discover your ideal training paces and get personalised session suggestions
VO2 Max/VDOT
Use a recent race result to find out your VO2 Max/VDOT
BALKE TREADMILL TEST
Discover your VO2 Max/VDOT with a simple treadmill walking test
WEIGHT VS PACE
Determine the effects of non-functional weight loss or gain on your performance
CALORIE CALCULATOR
Estimate calories burned by running for different durations at different paces
PACE BAND
Pass each mile marker with confidence with a personalised pace band
MAX HEART RATE
Find your maximum heart rate with the most popular calculations
RACE PREDICTORS
Estimate a race finish time with popular running race prediction formulas
TREADMILL CONVERSION
At-a-glance conversion between running paces and speeds
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