Nathan Pennington Running in The Distance

How Many Miles is 8K Racing

Are you wondering how many miles is 8k racing? If so, welcome to 10 kilometers comes out to 6.2 miles. It is a highly aerobic event but you still need to develop your speed to perform well over this distance. I have run 31:09 for the distance. So, do understand the complexities of this event. It is always a challenge to get into great anaerobic shape. The good news is that the body always adapts.

Remember, it usually takes the body between 3 to 4 weeks to adapt to any stress you are placing on it. The athlete cannot be in a rush. A major mistake I see far too many runners making is trying to rush fitness. My best recommendation is to focus on a 16 week to 20 week build up leading into your goal 8k race. Again, the less of a rush you are in the better you will prepare for your race.

We want to ensure you get to the finish line in record time. Also, to not try to cram your training in the span of 8 to 12 weeks. Of course, there are runners out there who have set new PRs in that time frame. So, it can be done. That being said, a 4 to 5 month build up will increase your chances of success.

How Long does it Take to Train for an 8K?

As mentioned above, a minimum of 12 weeks and preferably 16 to 20 weeks. 8,000 meters is 8 kilometers which comes out to 4.97 miles. So, nearly 5 miles in length. I am in the united States of America. So, we usually focus on miles here. That being said, most other part of the world focus on kilometers. The goal of running fast over 8km is to sustain pace longer than your competition. The objective is to teach the body to clear lactic acid faster than it is building up.

That being said, the real challenge is when we run faster. The reason is we require more oxygen the faster we run. In addition, the hydrogen ion component of lactic acid shuts down muscle ATP functioning the faster we run. How many miles is 8k? It is shy of 5 miles and to race it effectively, you want to focus on quality. Higher mileage is not a guarantee you will run a new personal best over 8,000 meters.

So, it definitely takes time for the body to adapt to the heavy stresses we place on it. We can only run a few minutes at our vo2 max effort. Vo2 max is our body's maximum oxygen uptake. We are running between 95 to 100 percent of our maximum heart rate at this effort. Thus, we have to briefly stop to take breaks when running at these intensities.


What is the Average Time to Run an 8K?

The average time to run a 8 kilometers will vary from athlete to athlete. There are many runners who can run between 40 to 50 minutes for the distance. Of course, far fewer are able to run under 40 minutes. Again, the faster you are seeking to run the more speed development comes into play. You also need to spend a larger percentage of your weekly volume at higher heart rates.

See also  Running 5 Miles a Day | Tips to Run Faster

I definitely would recommend investing in a heart rate monitor. I use the Garmin 245 and highly recommend it. Heart rate monitor training will ensure you are running slow enough on easy days to recover. In addition, they are perfect for tempo runs too.

The reason being is you are focusing on staying in the correct heart rate zones. The mile or kilometer splits you want will come in due time the fitter you get. Tempo runs are usually conducted right around 86 to 88 percent of your maximum heart rate.

The longer you can spend training at your anaerobic threshold the better prepared you are going to be over 10k. Again, how many miles is 8k racing? You are aiming for 6.2 miles.

What Does Running 8k Do to Your Body?

Training for all races helps to build endurance and build capillary beds. More importantly, you recruit more fast twitch muscle fibers. Easy running doesn't produce this physiological adaptation. Yes, running easy is still essential to run over 8,000 meters. Also, to sustain goal 8k race pace longer than your competition you need to work on your leg speed.

The good news is you can recover faster after a 8k as compared with a half-marathon or marathon. The longer races require a great deal of time to recover from. I wouldn't recommend racing in more than 2 marathons per year. Of course, you can if you wish. How many miles is 8K racing? 4.97 miles or 8,000 meters.

That being said, it takes a minimum of 12 and preferably 20 weeks to prepare properly for a half-marathon or marathon. In fact, I would recommend this same time frame for a 10K as well.

Can You Train for a 8K in a Month?

Not really. Again, it takes between 3 to 4 weeks for your body to adapt to any stress load you are placing on it. So, focusing on 30 days to prepare adequately for an 8 kilometer race is unwise. Yes, you will build endurance in that amount of time. That being said, it will be difficult to improve your lactate tolerance in a matter of only 4 weeks.

Hope that makes sense. You simply won't be in the right mental or physical shape to race fast over the distance in such a short amount of time either. My recommendation is to focus on a 16 to 20 week training build up.

3 hour marathon pace
Coach Pennington finishing as the top American and in 4th place overall at the 2007 California International Marathon in 2:19:35

You can do strides twice per week during your aerobic base-building phase of our training plans. I have created training plans that range from 8 to 20 weeks available here. Of course, the longer you prepare the better off you are going to be. Again, fitness cannot be rushed. So, to minimize being disappointed with your finish time, focus on a longer training build up.

How many miles is 8k? 4.97 miles, 8,000 meters or just under 5 miles in length. Remember, to get this right focus on the 4 key stages of racing development we focus on here.

  • Aerobic base-building phase
  • 8k race specific training phase
  • Speed development phase
  • Taper phase
See also  5 Mile Run | Tips from a 2:19 Marathoner

How Many Calories Does a 8K Run Burn?

We burn around 100 calories per mile we run. That being said, the amount of calories burned will vary from athlete to athlete. For example, heavier athletes will burn slightly more calories than lighter athletes. The general amount of calories most athletes burn during 10 kilometer race is around 500-625 calories.

One tactic I used to lower my 5K to 14:18, 8k in 24:32, 10K to 31:09 and marathon to 2:19:35 was longer tempo runs. Again, the longer you can spend training at your anaerobic threshold the better. You are running around 86 to 88 percent of your maximum heart rate at this effort. Your anaerobic threshold is the point where lactic acid starts to build up in the body.

A common mistake runners make is not running long enough at this effort. Sure, a 2 to 3 mile tempo run may be sufficient for a 5K. That being said, you want to think longer for a 8K. It was not uncommon for me to conduct 6 to 10 mile tempo runs during my training for the 8km event.

Is Running an 8K Hard?

It is much easier if you are focusing on the strategies listed below. Again, it takes between 3 to 4 weeks for the body to adapt to any stress load being placed on it. So, be patient with your training. The good news is the body always adapts if given sufficient time to do so,

Focus on Doing 1, Vo2 Max Workout Per Week

Your vo2 max is your body's maximum oxygen uptake. You are running between 95 to 100 percent of your maximum heart rate at this effort. In addition, you are running so fast you can't clear lactic acid faster than it is building up. How many miles is 8K? 4.97 miles to be exact or just shy of 5 miles in length.

So, it is natural for us to need to take breaks between our intervals. Remember, the key tactic here is to get our goal 8k race pace to feel easier. The only way to do this is longer tempo runs and doing speed workouts. Examples of vo2 max workouts are doing intervals on the track. In addition, fartlek workouts and hill repetitions. These types of workouts will help you to recruit more fast twitch muscle fibers.

The more of these you can recruit the more economical (efficient) you are going to race. Again, we want to ensure you slow down less in the race. Also, to sustain goal 10km race pace longer than your competition.

Run Longer Durations

More time on your feet will build endurance. In addition, you will be burning fat and gaining confidence the fitter you get. What has been the longest long run you have done in the past training for your 8 kilometer races? 7 miles? 8? I would recommend getting to a point where you are doubling the distance of your race. So, focusing more on or around 12 to 14 miles in length for your long runs.

See also  8k in Miles | How Many Miles is 8K

Remember, don't just run long and slow every single weekend. There are far too many runners who do this. Yes, you will build endurance but not strength and stamina. You do this by running varied paced long runs. So, one weekend run a faster long run followed the next by an easier, relaxed long runs.

Leverage is key. How can I get the best results by working smarter, rather than harder. There are plenty of hard working runners who still never hit their time goals. So, it is about the quality of the work you are putting in over the volume of the mileage. If too much of your mileage is run too slow all you will be is a superior, long, slow runner. How many miles is 8K racing? 4.97 miles or 8,000 meters. It is basically the same distance as running around the track 20 laps.

Invest in Your Personal Development

There are resources I have created here at RunDreamAchieve to help speed up your learning curve. We have training plans, running courses as well as online, monthly coaching. It takes the guess work out of your preparation when you know exactly what workouts you need to be doing. In addition, you bypass many of the mistakes other runners are making.

Make sure to subscribe to the RunDreamAchieve YouTube channel. I am creating new vlog content there each week to help runners of all ability levels to get to the next level. My end goal is to help as many runners to achieve new personal bests as I possibly can. Most importantly, to train smarter, rather than harder. I already know you are a hard worker, focused and motivated. The key thing now is to help you use leverage. Leverage simply getting more results by working smarter.

Closing Thoughts

So, how many miles is 8K racing? Again, it is 4.97 miles or 8,000 meters. How well you perform over this distance all comes down to how well you prepare. You also need to pace properly in your race as well. Don't try to win the 8km race in the first mile or 1.6 kilometers into the race.

There are far too many runners who go out far too aggressively. The end result is they go into oxygen debt and have to slow down considerably in the latter stages of the race. I hope this post has been helpful to you.

You are more than welcome to visit the about the page if you'd like to know more about my racing background. Sometimes it helps to know when a coach has dealt with frustration just like you have. Please keep me updated on your progress.