How Many Miles in a Half Marathon?
Quick Answer
A half marathon is approximately 13.109 miles.
½ marathon = 21.097 km = 13.109 miles
Understanding the Conversion
A half marathon is exactly half of 42.195 km = 21.0975 km, which equals 13.1094 miles (often cited as 13.1 miles). It is the second most popular race distance after the 5K and is a common stepping stone toward a full marathon.
Formula
½ marathon = 21.097 km = 13.109 miles
Common Examples
| Description | Value |
|---|---|
| Average finish time (recreational) | 2:00–2:30 hours |
| Beginner goal | Under 2:30 |
| World record (men) | 57:31 (Jacob Kiplimo) |
Quick Reference Table
Use this table for quick conversions between half marathon and miles:
| half marathon | miles |
|---|---|
| 1 | 13.109 |
| 2 | 26.218 |
| 5 | 65.545 |
| 10 | 131.09 |
| 25 | 327.73 |
| 50 | 655.45 |
| 100 | 1,310.9 |
Frequently Asked Questions
How Many Miles in a Half Marathon?
A half marathon is approximately 13.109 miles. A half marathon is exactly half of 42.195 km = 21.0975 km, which equals 13.1094 miles (often cited as 13.1 miles). It is the second most popular race distance after the 5K and is a common stepping stone toward a full marathon.
What is the formula to convert half marathon to miles?
The formula is: ½ marathon = 21.097 km = 13.109 miles. To convert, multiply the number of half marathons by 13.109 to get the equivalent in miles.
How do I convert miles to half marathon?
To convert miles to half marathon, divide the number of miles by 13.109. For example, 65.545 miles equals 5 half marathons.