Walking time for 15 miles at every pace
| Speed | Pace /mile | Pace /km | Time | kcal (60 kg) | kcal (75 kg) | kcal (90 kg) |
|---|---|---|---|---|---|---|
| 2.5 mph (4.0 km/h) · easy stroll | 24:00 | 14:55 | 6:00:00 | 1102 | 1378 | 1653 |
| 3.0 mph (4.8 km/h) · average walk | 20:00 | 12:26 | 5:00:00 | 1039 | 1299 | 1559 |
| 3.5 mph (5.6 km/h) · brisk walk | 17:09 | 10:39 | 4:17:09 | 994 | 1243 | 1491 |
| 4.0 mph (6.4 km/h) · fast walk | 15:00 | 9:19 | 3:45:00 | 960 | 1201 | 1441 |
Calories: ACSM walking equation, flat ground, gross kcal — gross calories include the energy you would burn at rest anyway, which is why slower (longer) walks show slightly higher totals. Steps: about 34,600 for an adult of average height.
Tips for walking 15 miles
- Start at a conversational pace and settle into a rhythm; most people naturally walk around 100–120 steps per minute.
- Plan water and fuel for anything over about 90 minutes.
- Walking a race? Check the course cut-off time. The run-walk calculator shows how adding short running intervals speeds you up.
Other walking distances
Last reviewed: October 2026 · Health disclaimer