Calculators and templates
Evidence-backed calculators, pacing tables, and planning templates built for runners who track the details.
Running Power Calculator
Calculate your running power output in watts using pace, race times, or your Strava data. Comprehensive guide to power-based running including device comparisons, Stryd, and training methodology.
Post-Run Stretching Routine
A complete post-run stretching routine for runners. Target key muscle groups with this printable guide including hold times and progressions.
Running Calorie Burn Calculator
Calculate how many calories you burn running based on your weight, distance, and pace. Includes adjustments for hills and running efficiency.
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.
Couch to 5K Training Plan
An 8-week beginner running program to take you from zero running to completing your first 5K. Gradual walk-run progression designed for complete beginners.
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.
Half Marathon Training Plan for Intermediate Runners
A 12-week intermediate half marathon training plan with tempo runs, intervals, and progressive long runs. Designed for runners looking to improve their half marathon time.
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.
Race Taper Calculator
Calculate your optimal taper schedule for any race distance. Get week-by-week mileage reduction recommendations based on your current training and goal race.
Training Plan Length Calculator
Determine how many weeks you need to prepare for your goal race. Get a personalized training timeline based on current fitness, goal, and race distance.
VO2max Estimator
Estimate your VO2max from recent race times. Understand your aerobic fitness level and compare against population norms for your age and gender.
Pre-Run Warm-Up Routine
A dynamic warm-up routine to prepare your body for running. Includes mobility drills, activation exercises, and strides for easy runs, workouts, and races.
10K Training Plan for Advanced Runners
An 8-week advanced 10K training plan for experienced runners seeking peak performance. High-volume training with VO2max intervals, tempo runs, and race-specific workouts.
10K Training Plan for Intermediate Runners
A 10-week intermediate 10K training plan with structured speedwork, tempo runs, and progressive long runs. Perfect for runners looking to improve their 10K time.
5K Training Plan for Beginners
An 8-week 5K training plan for new runners who can already run 15-20 minutes continuously. Build endurance and prepare for your best 5K race.
5K Training Plan for Intermediate Runners
An 8-week 5K training plan for runners with an established base looking to improve their 5K time. Includes tempo runs, intervals, and structured speedwork.
Elevation Adjustment Calculator
Adjust your running pace for hills and elevation gain. Calculate equivalent effort paces for hilly courses and estimate time adjustments for races with significant elevation.
Heart Rate Reserve Calculator
Calculate your heart rate reserve (HRR) and training zones using the Karvonen formula. Get more accurate heart rate zones based on your resting and max heart rate.
Heart Rate Zone Calculator
Calculate your personalized heart rate training zones using either the percentage of max HR method or the more accurate Karvonen (heart rate reserve) formula.
Interval Workout Generator
Generate custom interval workouts based on your fitness level and goals. Get structured speed sessions with proper warm-up, work intervals, recovery, and cool-down.
Race Time Predictor
Predict your finish time for any race distance based on a recent performance. Uses the proven Riegel formula trusted by coaches worldwide.
Rest Day Calculator
Calculate how many rest days you need per week based on your training load, age, experience, and goals. Optimize recovery without sacrificing fitness.
Temperature & Weather Pace Adjustment Calculator
Calculate how heat, humidity, and weather conditions affect your running pace. Get adjusted pace targets for hot, cold, and humid conditions.
Weight-Adjusted Performance Calculator
Understand how body weight affects running performance. Calculate the performance impact of weight changes and find your optimal racing weight range.
Running Shoe Mileage Tracker
Track mileage on your running shoes to know when it's time to replace them. Log runs by shoe, monitor total miles, and get replacement reminders.
10K Training Plan for Beginners
A 10-week beginner 10K training plan for runners who can complete a 5K. Build endurance and confidence for your first 10K race with progressive training.
5K Training Plan for Advanced Runners
A 6-week advanced 5K sharpening plan for experienced runners seeking peak performance. High-intensity VO2max workouts and race-specific preparation.
Half Marathon Training Plan for Advanced Runners
A 12-week advanced half marathon training plan for experienced runners targeting peak performance. High-volume training with VO2max intervals, tempo runs, and race-specific workouts.
Marathon Training Plan for Beginners
A 16-week beginner marathon training plan designed to take you from half marathon fitness to completing 26.2 miles. Progressive long runs and manageable weekly mileage for first-time marathoners.
Running Shoe Finder
Find your perfect running shoes based on your foot type, training goals, and preferences. Get personalized recommendations for shoes and a complete rotation.
Dehydration Risk Calculator
Assess your dehydration risk before and during runs. Calculate sweat rate, fluid needs, and get personalized hydration recommendations for different conditions.
Running Hydration Calculator
Calculate your sweat rate and hydration needs for running. Get personalized fluid intake recommendations based on duration, temperature, and body weight.
Pace Zone Calculator
Calculate your training pace zones based on a recent race or time trial. Get personalized zones for easy, threshold, VO2max, and recovery running.
Run/Walk Interval Calculator
Calculate optimal run/walk intervals for beginners, long runs, or racing. Find the right ratio to build endurance while minimizing fatigue and injury risk.
Running Cadence Calculator
Find your optimal running cadence based on height and pace. Calculate stride length and steps per mile to improve your running efficiency.
Training Load Calculator
Calculate your acute and chronic training load to optimize fitness and manage fatigue. Understand ATL, CTL, and TSB to train smarter and avoid overtraining.
Pre-Run Checklist
A comprehensive checklist to ensure you're prepared for every run. Cover nutrition, hydration, gear, and mental preparation before heading out the door.
Racing Flat Selection Guide
Find the right racing shoes for your speed, distance, and running style. Compare stack heights, carbon plates, and shoe categories to make an informed choice.
Half Marathon Training Plan for Beginners
A 12-week beginner half marathon training plan designed to take you from 10K fitness to completing 13.1 miles. Progressive long runs and manageable weekly mileage.
Marathon Training Plan for Advanced Runners
An 18-week advanced marathon training plan for experienced runners targeting peak performance. High-volume training with tempo runs, long run progressions, and race-specific marathon workouts.
Marathon Training Plan for Intermediate Runners
A 16-week intermediate marathon training plan with tempo runs, long run progressions, and race-specific workouts. Designed for runners looking to improve their marathon time.
Return to Running Plan
An 8-week return to running plan for runners coming back after injury, illness, or extended time off. Safe, progressive rebuild with walk-run intervals and gradual mileage increases.
Age-Graded Performance Calculator
Calculate your age-graded running performance to compare times across ages and genders. See what your race time equals at peak performance age.
Body Fat Percentage Calculator for Runners
Estimate your body fat percentage using the Navy Method. Understand healthy body fat ranges for runners and how body composition affects performance.
Race Finish Time Calculator
Calculate your expected race finish time based on your goal pace. Enter your target pace and race distance to see your projected finish time and split targets.
Foot Strike Pattern Analysis
Understand your foot strike pattern and whether you should change it. Assess the implications of heel, midfoot, and forefoot striking for your running.
Glycogen Depletion Calculator
Estimate when you'll deplete glycogen stores during a run based on pace, duration, and pre-run nutrition. Plan your fueling strategy to avoid bonking.
Running Injury Risk Assessment
Assess your current injury risk based on training load, recovery factors, and history. Get personalized recommendations to train safely and prevent injuries.
Training Intensity Distribution Calculator
Analyze your training intensity distribution. Calculate if you're following the 80/20 rule and identify if you're spending too much time in the 'gray zone.'
Long Run Progression Calculator
Plan your long run buildup for marathon or half marathon training. Get a week-by-week progression with built-in cutback weeks.
Maximum Heart Rate Calculator
Estimate your maximum heart rate using multiple scientific formulas. Compare results from traditional, Tanaka, Gulati (women), and HUNT (fitness-adjusted) methods.
Pace Conversion Calculator
Convert running pace between min/mile, min/km, mph, and km/h. Quick reference for international pace comparisons and treadmill settings.
Pronation Self-Assessment Tool
Assess your foot pronation type based on wear patterns, wet test, and gait characteristics. Get shoe recommendations matched to your pronation style.
Race Pace Band Generator
Generate custom pace bands for your next race. Get mile-by-mile or kilometer splits for any distance and target time to wear on race day.
Race Recovery Calculator
Calculate how long you need to recover after a race before resuming hard training. Get personalized recovery timelines based on race distance and your fitness level.
Running Economy Calculator
Estimate your running economy by comparing race performances. Understand how efficiently you convert oxygen into running speed compared to other runners.
Sleep Quality Calculator for Runners
Assess your sleep quality and its impact on running recovery. Get personalized recommendations to improve sleep and athletic performance.
Race Splits Calculator
Calculate mile-by-mile or 5K splits for your goal race time. Choose even, negative, or positive split strategies for 5K through marathon distances.
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.
Weekly Mileage Builder
Calculate a safe weekly mileage progression with built-in cutback weeks. Enter your current mileage and goal to get a personalized ramp-up schedule.
Weekly Training Volume Calculator
Calculate your optimal weekly running mileage based on your goal race, experience level, and available training time. Get personalized volume recommendations.
Base-Phase Checklist
A printable checklist for base building success. Track your weekly goals, consistency, and progression through a 4, 8, or 12-week base phase.
Injury Prevention Checklist
A comprehensive prehab and injury prevention protocol for runners. Track your strength work, mobility, and recovery habits to stay healthy.
Marathon Pacing & Nutrition Plan
A comprehensive race-day template for marathon pacing, fueling, and hydration. Fill in your splits, gel schedule, and aid station strategy.
Mental Race Strategy Worksheet
Plan your mental approach to race day. Set process goals, prepare for challenging moments, and develop coping strategies for when things get hard.
Running Pace Reference Card
A handy reference card with pace conversions, race time equivalents, and common training paces. Print and keep in your running bag.
Post-Run Recovery Checklist
A comprehensive checklist for optimizing recovery after every run. Track your rehydration, nutrition, stretching, and rest to maximize training adaptation.
Pre-Race Gear Checklist
Never forget essential race-day gear again. A comprehensive packing checklist for 5K through marathon distances, including race morning, during race, and post-race items.
Race Day Checklist
A comprehensive race day checklist covering the week before, night before, morning of, and post-race. Never forget essential gear or nutrition again.
Race Day Nutrition Plan Template
Plan your race day fueling strategy from the night before through post-race recovery. Includes timing, amounts, and product tracking for half marathons and marathons.
Race Week Checklist
A comprehensive checklist for the week before your race. Cover nutrition, logistics, gear, mental preparation, and race-day planning.
Running Goals Worksheet
A structured worksheet to set meaningful running goals. Define your objectives, create action plans, and track progress toward your running aspirations.
Running Season Planning Template
Plan your entire running season with goal races, training phases, and periodization. Map out 6-12 months of training for peak performance.
Strength Training Log for Runners
Track your runner-specific strength training. Log exercises, sets, reps, and progression for injury prevention and performance gains.
Running Training Log Template
A comprehensive weekly training log for runners. Track runs, workouts, cross-training, sleep, nutrition, and how you feel to optimize your training.
Weekly Training Plan Template
A customizable weekly training plan template for runners. Structure your running week with easy runs, long runs, quality sessions, and rest days.
Weekly Meal Plan Template for Runners
Plan your weekly nutrition to fuel training properly. Includes pre-run, post-run, and daily meal planning with runner-specific considerations.