Enter your body weight, sprint duration, and number of sprints to calculate your calories burned doing interval sprinting. A 150-lb person doing 10 hard 30-second sprints burns about 89 calories during the sprint portions.
Interval Sprint Calories Burned Formula
This calculator uses sprint time, body weight, and an effort factor. Advanced mode also adds calories burned during recovery between reps.
C_s = BW_kg × ((SD × N) / 60) × SF C_t = C_s + (BW_kg × ((RD × (N - 1)) / 60) × RF)
- Cs = calories burned during sprints
- Ct = total calories burned
- BWkg = body weight in kilograms
- SD = seconds per sprint
- N = number of sprints
- SF = sprint factor based on workout effort
- RD = recovery seconds between sprints
- RF = recovery factor based on standing, walking, or easy jogging
How to Use the Calculator
- Basic: enter body weight, sprint duration, and number of sprints.
- Advanced: add sprint effort plus recovery time and recovery activity.
- For a standard interval workout, each recovery period is counted between sprints, so 10 sprints includes 9 recoveries.
Calories During Hard Sprint Intervals
| Workout | Sprint Minutes | 120 lb | 150 lb | 180 lb |
|---|---|---|---|---|
| 6 × 20-second sprints | 2.0 | 29 kcal | 36 kcal | 43 kcal |
| 10 × 30-second sprints | 5.0 | 71 kcal | 89 kcal | 107 kcal |
| 12 × 45-second sprints | 9.0 | 129 kcal | 161 kcal | 193 kcal |
What Changes Your Calorie Burn
- Body weight: heavier athletes burn more calories per sprint.
- Sprint duration: 30-second reps burn roughly twice as much as 15-second reps when effort stays the same.
- Number of sprints: adding 2 more sprints to a 10-rep workout increases sprint calories by about 20%.
- Effort level: all-out intervals burn more per minute than moderate sprint repeats.
- Recovery style: standing burns the least between reps, while easy jogging burns the most.
Interval Sprinting Overview
Interval sprinting combines short, fast running bouts with planned recovery. Common sprint intervals last 10 to 60 seconds, total reps usually fall between 6 and 20, and recovery periods often last 30 to 180 seconds depending on speed, conditioning, and workout goal.
Example: a 150-lb person doing 10 hard 30-second sprints logs 5 total sprint minutes and burns about 89 calories during the work intervals. If that same workout includes 60 seconds of walking between the 9 recoveries, total calories rise to about 121.
