26.2 Miles to KM - Marathon Distance

26.2 Miles to KM

Quick answer: 26.2 miles = 42.165 kilometers. The official marathon distance is 42.195 km (26 miles 385 yards). This page covers the marathon distance conversion with related race distances and FAQs.

How to Convert 26.2 Miles to KM

Formula: km = miles × 1.60934

Calculation:
26.2 miles × 1.60934 = 42.165 km

Result: 26.2 miles = 42.165 kilometers
Official marathon: 42.195 km (26 mi 385 yd)

26.2 Miles in KM

26.2 miles equals
42.165
kilometers
26.2 mi × 1.60934 = 42.165 km

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Race Distances: Miles to KM

DistanceMilesKM
5 Miles58.047
10K6.29.978
10 Miles1016.093
Half Marathon13.121.082
20 Miles2032.187
DistanceMilesKM
Marathon26.242.165
50K31.0750
50 Miles5080.467
100K62.14100
100 Miles100160.934

Understanding the Marathon Distance

History of the Marathon

26.2 miles (42.195 km) is the official marathon distance, standardized since the 1908 London Olympics. The distance was set so the race could start at Windsor Castle and finish in front of the Royal Box at the Olympic Stadium. This distance was officially adopted by the IAAF in 1921.

Marathon Facts

26.2 miles = 42.165 km = 42,164.81 m = 138,336 ft

The current world record is just over 2 hours. Most recreational runners finish a marathon in 4-5 hours. Over 800 marathons are held worldwide each year.

Frequently Asked Questions

What is 26.2 miles in km?
26.2 miles equals approximately 42.165 kilometers. The official marathon distance is 42.195 km (26 miles 385 yards).
Why is a marathon 26.2 miles?
The marathon distance was standardized at 26 miles 385 yards (42.195 km) after the 1908 London Olympics, where the course was extended so the race could start at Windsor Castle and finish before the Royal Box.
How long does it take to run a marathon?
Most recreational runners finish a marathon (26.2 miles / 42.195 km) in 4 to 5 hours. Elite runners complete it in just over 2 hours. The average finish time is about 4 hours 30 minutes.
What is a half marathon in km?
A half marathon is 13.1 miles, which equals 21.097 km (officially 21.0975 km) -- exactly half the marathon distance.
How many steps is a marathon?
A marathon (26.2 miles / 42.195 km) is approximately 50,000 to 55,000 steps, depending on stride length. Most runners average about 1,400 to 1,700 steps per kilometer.