Half marathon in steps
How many steps in a half marathon?
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Short answer
A half marathon (21.1 km, 13.1 miles) is about 28,130 steps for an average adult, or roughly 26,070 to 33,890 depending on height. Walking it takes about 4 h 41 min at a brisk 100 steps a minute.
- Steps
- 28,130
- 0.75 m average step
- Miles
- 13.1
- Brisk walk
- 4 h 41 min
- at 100 steps/min
- Calories
- 1,181
- kcal at 70 kg
Steps in a half marathon by height
Step length is roughly 0.415 × your height. Taller walkers need fewer steps for the same distance.
| Height | Step length | Steps |
|---|---|---|
| 150 cm (4′11″) | 62 cm | 33,890 |
| 155 cm (5′1″) | 64 cm | 32,800 |
| 160 cm (5′3″) | 66 cm | 31,770 |
| 165 cm (5′5″) | 68 cm | 30,810 |
| 170 cm (5′7″) | 71 cm | 29,900 |
| 175 cm (5′9″) | 73 cm | 29,050 |
| 180 cm (5′11″) | 75 cm | 28,240 |
| 185 cm (6′1″) | 77 cm | 27,480 |
| 190 cm (6′3″) | 79 cm | 26,760 |
| 195 cm (6′5″) | 81 cm | 26,070 |
How long does it take to walk a half marathon?
| Pace | Steps per minute | Time |
|---|---|---|
| Relaxed stroll | 80 | 5 h 52 min |
| Brisk walk | 100 | 4 h 41 min |
| Fast walk | 120 | 3 h 54 min |
Calories burned walking a half marathon
| Body weight | Calories |
|---|---|
| 50 kg (110 lb) | 844 kcal |
| 60 kg (132 lb) | 1,013 kcal |
| 70 kg (154 lb) | 1,181 kcal |
| 80 kg (176 lb) | 1,350 kcal |
| 90 kg (198 lb) | 1,519 kcal |
| 100 kg (220 lb) | 1,688 kcal |
| 110 kg (243 lb) | 1,857 kcal |
Convert your own distance
Enter a distance, then your height for a personal step count.
Distance to steps
- Steps
- 28,133
- Kilometres
- 21
- Miles
- 13
- Calories
- 1,182 kcal
Walking time: 5 h 52 min at 80 steps/min · 4 h 41 min at 100 steps/min · 3 h 54 min at 120 steps/min.
Estimate based on the 0.75 m average adult step and a 70 kg body weight. Nothing you type is saved or sent.
Steps in other distances
Step counts near 21 km
Frequently asked questions
How many steps are in a half marathon?
About 28,130 steps using the 0.75 m average adult step. Taller people take longer steps and need fewer: roughly 26,070 at 195 cm tall and 33,890 at 150 cm.
How long does it take to walk a half marathon?
About 4 h 41 min at a brisk 100 steps a minute, 5 h 52 min at a relaxed 80 and 3 h 54 min at a fast 120 steps a minute.
How many calories does walking a half marathon burn?
Roughly 1,181 kcal for a 70 kg adult, from about 844 kcal at 50 kg to 1,857 kcal at 110 kg. It is an estimate: pace, hills and fitness change the real number.
How do I find my own step length?
Walk a measured distance, such as 10 metres or a running track lap, at your normal pace and count your steps. Divide the distance by the steps. Or use 0.415 × your height as a starting estimate, which is what this page and the step counter do.
Sources
Ready to count your steps?
Open the free step counter in your phone browser. It counts on your device, with no app, no account and no tracking of where you walk.