A marathon is 26.219 miles (42.195 kilometers). This distance has been the official standard since the 1908 London Olympics, when the course was set at 26 miles 385 yards — a measurement later ratified by World Athletics as the global standard.

How Many Miles Is a Marathon? — Quick Reference

Measurement Value
Miles 26.219 miles
Kilometers 42.195 km
Meters 42,195 meters
Feet 138,435 feet
Yards 46,145 yards
Approx. steps ~55,000–63,000 steps

Marathon vs Other Race Distances in Miles

Race Miles KM
5K 3.107 5.0
10K 6.214 10.0
Half Marathon 13.109 21.1
Marathon 26.219 42.195
50K (Ultra) 31.069 50.0

Marathon Pace Chart — Miles

To finish a marathon at your goal time, you must hold this pace per mile for all 26.2 miles:

Goal Time Pace per Mile Pace per KM
2:30:00 5:43 3:33
3:00:00 6:52 4:16
3:30:00 8:01 4:59
4:00:00 9:09 5:41
4:30:00 10:18 6:24
5:00:00 11:27 7:07
5:30:00 12:35 7:49
6:00:00 13:44 8:32

Average Marathon Finish Time

According to RunRepeat, the average marathon finish time is 4:29:53 for men and 4:57:17 for women across recreational runners globally. The men's marathon world record is 2:01:09, set by Eliud Kipchoge (Kenya) at the Berlin Marathon, September 2022.

Runner Level Typical Finish Time Pace per Mile
Elite Under 2:10:00 Under 4:58
Competitive 2:45:00–3:30:00 6:18–8:01
Recreational 4:00:00–5:00:00 9:09–11:27
Beginner/Walker 5:30:00–7:00:00 12:35–16:01

How Many Laps Is a Marathon on a Track?

A standard 400-meter outdoor track requires 105.49 laps to complete a full marathon (42,195m ÷ 400m). Most marathon races are held on road courses — track marathons are extremely rare due to the mental challenge of that many laps.

How Long Does It Take to Walk a Marathon?

Walking Pace Speed Marathon Finish Time
Casual 3.0 mph ~8:44:00
Brisk 3.5 mph ~7:29:00
Fast walk 4.0 mph ~6:33:00
Race walk 5.0 mph ~5:14:00

Frequently Asked Questions

Is a marathon exactly 26 miles?

No — a marathon is 26.219 miles (26 miles and 385 yards). The distance is standardized by World Athletics at exactly 42.195 kilometers.

Why is a marathon 26.2 miles?

The distance traces back to the 1908 London Olympics, where the course ran from Windsor Castle to the Olympic stadium finish line — measuring 26 miles 385 yards. The IAAF ratified this as the official distance in 1921.

How many kilometers is a marathon?

A marathon is 42.195 kilometers — exactly 42 km and 195 meters.

What is half of a marathon in miles?

Half a marathon is 13.109 miles (21.1 km), known as a half marathon or "13.1."