Calculators and templates
Evidence-backed calculators, pacing tables, and planning templates built for runners who track the details.
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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 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.
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 Advanced Runners
A 6-week advanced 5K sharpening plan for experienced runners seeking peak performance. High-intensity VO2max workouts and race-specific preparation.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
Adult BMI Calculator for Runners
Calculate adult BMI from height and weight, then understand why runners should treat it as a screening measure rather than an ideal race-weight or body-fat target.
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.
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.
Dehydration Risk Calculator
Assess your dehydration risk before and during runs. Calculate sweat rate, fluid needs, and get personalized hydration recommendations for different conditions.
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.
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.