Kilometers and miles
Distance converter
One mile is 1.6093 km (1,609.344 meters). One kilometer is 0.6214 miles. A 25K, the marathon, and the rounded 26.2 mile label are different lengths, and each answer is on this page. Pace and finish time stay on the marathon pace calculator.
Kilometers and miles
Type a length, or start from 25K, the marathon, or 26.2 miles. The other unit uses the same meter factors as the pace chart. This does not change a finish time into a pace.
25K to miles
A 25K is 25.000 kilometers, which is 15.5343 miles. Halfway on the marathon is 21.0975 km (13.1094 mi), so the 25K mark is 3.9025 km after halfway, still short of the finish.
The marathon pace chart can show the clock at that 25K marker for an even pace. This section only converts the length.
Marathon in kilometers
A marathon is 42.195 kilometers, or 26.2188 miles. That is the length on the pace chart, the finish-time pages, and the marathon preset in the calculator. It is not rounded to 42 km.
After 42 kilometers, 0.195 km remain, which is why the last kilometer split is shorter than the ones before it. Open the marathon pace chart for the even-pace rows, or the calculator for one finish time.
26.2 miles in kilometers
26.2 miles is 42.1648 km. Multiply 26.2 by 1.6093 km per mile (1,609.344 meters) and the product rounds to that figure.
The measured marathon is 42.195 km (26.2188 mi), which is 30.2 meters longer than 26.2 miles. The two searches — “26.2 miles in km” and “marathon km” — get two numbers here, not two thin pages.
Race distances
These rows are the preset lengths from the pace calculator, plus the 26.2 mile shorthand. Half marathon and marathon link to their pace charts. Nothing else on this list has its own URL.
| Distance | Kilometers | Miles |
|---|---|---|
| 5K | 5 | 3.1069 |
| 10K | 10 | 6.2137 |
| 15K | 15 | 9.3206 |
| Half marathon | 21.0975 | 13.1094 |
| 25K | 25 | 15.5343 |
| 30K | 30 | 18.6411 |
| Marathon | 42.195 | 26.2188 |
| 26.2 miles | 42.1648 | 26.2 |
Questions about race distances
How many miles is a 25K?
A 25K is 25.000 km, which is 15.5343 miles. Halfway on a marathon is 21.0975 km, so 25K is 3.9025 km after halfway. It is not the marathon distance (42.195 km, 26.2188 mi).
How many kilometers is a marathon?
A marathon is 42.195 kilometers, or 26.2188 miles. The pace chart and the calculator both use that length. After 42 km, 0.195 km remain.
How many kilometers is 26.2 miles?
26.2 miles is 42.1648 km. One mile is 1.6093 km on this site (1,609.344 meters). The measured marathon is 42.195 km, 30.2 meters longer than that 26.2 mile label.
Is 26.2 miles the same distance as a marathon?
No. 26.2 miles converts to 42.1648 km. The marathon distance here is 42.195 km, which is 26.2188 miles. The two lengths differ by 30.2 meters, so this page keeps them in separate answers.
How many miles is 10 kilometers?
10 kilometers is 6.2137 miles. A 5K is 3.1069 miles. Both use 1,000 meters per kilometer and 1,609.344 meters per mile, the same factors as the pace calculator.
How many kilometers is a half marathon?
A half marathon is 21.0975 km, or 13.1094 miles. That is half of 42.195 km, not 21.1 km and not 13.1 miles.
More on health limits: the numbers assume a flat, certified course. They do not know the weather, the hills, or how you feel. See the disclaimer.