How long is a 5K in miles?

A 5K is 3.1 miles (5 kilometers). It is the most popular road race distance in the United States.

How long does it take to run 13.1 miles?

At a 10:00 per mile pace, 13.1 miles takes approximately 2 hours and 11 minutes. At 9:00/mile, the time is 1:57:54. At 11:00/mile, the time is 2:24:06. Your specific time depends on your training, race day conditions, and pacing strategy.

Is a half marathon hard?

A half marathon is genuinely challenging and requires dedicated training — typically 10–13 weeks for runners with a 5K base. It is not something you can simply decide to run the week before without preparation. However, with consistent training 4 days per week and a peak long run of 11–12 miles, most healthy adults can complete a half marathon.

How Long Is a Half Marathon? Race Distances Explained

Q: How long is a half marathon in miles?

A half marathon is 13.1 miles (21.0975 kilometers). It is exactly half the distance of a full marathon (26.2 miles).

Q: How many miles is a 10K?

A 10K is 6.2 miles (10 kilometers). It is roughly double the distance of a 5K and about half the distance of a half marathon.

Q: How long does it take to run a half marathon?

The average half marathon finish time is approximately 2:05 for men and 2:23 for women. First-timers typically finish between 2:15 and 2:45. At a 10:00/mile pace, a half marathon takes about 2 hours and 11 minutes.

Q: How long is a marathon?

A marathon is 26.2 miles (42.195 kilometers). This is the standard marathon distance used in all official road races worldwide.

Whether you are a new runner trying to understand race distances or a seasoned runner helping a friend pick their first event, this guide answers every common distance question: how long is a half marathon, how far is a 10K, what does a 5K feel like, and how all of these compare to each other.

How Long Is a Half Marathon?

A half marathon is 13.1 miles (21.0975 kilometers). It is exactly half the distance of a full marathon (26.2 miles). The half marathon is the fastest-growing race distance in the United States — it offers a genuine athletic challenge without the months of preparation required for a full marathon.

At an average pace of 10:00 per mile, a half marathon takes about 2 hours and 11 minutes to complete. The overall average half marathon finish time in the United States is approximately 2:05 for men and 2:23 for women.

How Long Is a 10K?

A 10K is 6.2 miles (10 kilometers). It is roughly double the distance of a 5K and about half the distance of a half marathon. The 10K is a demanding race that rewards both aerobic fitness and speed — unlike the 5K, you cannot sprint it from the start, and unlike the half marathon, you cannot run it conservatively all the way through.

At a 10:00/mile pace, a 10K takes approximately 62 minutes to complete. The average 10K finish time for recreational runners is 55–70 minutes.

How Long Is a 5K?

A 5K is 3.1 miles (5 kilometers). It is the most popular race distance in the United States, with millions of participants each year. 5Ks are ideal for first-time racers, casual runners, and anyone looking for a fast, accessible race experience. Most runners finish a 5K in 25–45 minutes depending on fitness level.

How Long Is a Marathon?

A marathon is 26.2 miles (42.195 kilometers). The marathon distance is standardized worldwide and traces its origins to the 1896 Athens Olympics. Training for a marathon requires 16–20 weeks of preparation for most runners. Average finish times range from 4:00 to 5:30 for recreational runners.

Race Distance Comparison Chart

Race Distance	Miles	Kilometers	Average Finish Time
5K	3.1 miles	5 km	30–40 min
10K	6.2 miles	10 km	55–75 min
10 Mile	10 miles	16.1 km	1:30–1:50
Half Marathon	13.1 miles	21.1 km	2:00–2:30
Marathon	26.2 miles	42.2 km	4:00–5:30

How Long Does It Take to Run a Half Marathon?

Half marathon finish times vary widely depending on fitness level and training. Here is what to expect at different experience levels:

First-timer: 2:15–2:45. Most beginners who complete a 13-week training plan finish between 2:15 and 2:30.
Recreational runner: 1:55–2:15. Runners who train consistently and have run a 5K under 30 minutes typically target 2:00–2:15.
Competitive amateur: 1:35–1:55. Runners with a 5K under 24 minutes and 35–40 miles of weekly training.
Elite amateur: Under 1:30. Requires 5K fitness under 20 minutes and 50+ miles per week.

For exact pace targets, see our half marathon pace chart covering every finish time from 1:30 to 3:30.

How Long Does It Take to Run a 10K?

The average 10K finish time for recreational runners is 55–75 minutes. A runner at 10:00/mile pace completes a 10K in approximately 62 minutes. Runners targeting under 60 minutes need to maintain a pace of faster than 9:40 per mile. Our 8-week 10K training plan gives you a structured path to your 10K goal time.

How Many Miles Is a Half Marathon? (Quick Reference)

Half marathon in miles: 13.1 miles
Half marathon in kilometers: 21.0975 km
Half marathon in feet: 69,168 feet
Half marathon laps on a 400m track: 52.75 laps

Find a Race in Florida

Florida has one of the best road racing calendars in the country — 5Ks every weekend, 10Ks throughout the fall and winter, and half marathons and marathons from October through March. Browse the full Florida race calendar to find an event near you. If you are in the Orlando area, the OUC Orlando Half Marathon in December is one of the state's most iconic half marathon events. Ready to start training? Our 13-week half marathon training plan takes you from a 5K base to the start line.