42 KM in Miles | 2:19 Marathoner Tips

Are you wondering what 42 km in miles calculates into? If so, welcome to RunDreamAchieve. I am excited that you have made it here. 42 km in miles comes out to 26.0976 miles. The vast majority of people think a marathon is 42 kilometers long. Yes, very close but not quite. A marathon is 42.2 kilometers in length.

One of the biggest challenges for most runners is holding pace throughout the race. My aim with this post is to provide some tips to help you succeed. I have run 2:19:35 for the marathon distance. Yes, it did take several years to achieve this time.

That being said, I learned what worked best for me and what did not. My hope is that you can duplicate some of my strategies and get similar or better results. The best thing you can do early on is build your foundation of base mileage first. I would recommend running easy for at least 4 weeks before starting a marathon training plan.

I have created marathon training plans that range from 8 to 24 weeks in length here at RunDreamAchieve. You can click on any of the green buttons located within this post to learn more about them. Also, be sure to check out our testimonial page. You can hear more from other athletes following the RunDreamAchieve training philosophy.

What Do You Call a 42 Kilometer Race?

A large amount of people consider a 42 kilometer race a marathon. The marathon is slightly longer at 42.2 kilometers. That being said, close enough. The marathon is a highly aerobic event versus an anaerobic event like the mile or 5k. The faster we run the more oxygen is going to be required. Thus, it is called anaerobic. Aerobic is easy, relaxed running.

So, it is natural that we can run for longer periods of time while running easy. We are also creating minimal amounts of lactic acid build up. The body is easily able to clear it faster than it is building up. The faster we run the more lactic acid accumulation. So, it certainly becomes a challenge to run at faster paces. 42 km in miles is just over 26 miles.

The key tactic here is to improve our body’s lactate tolerance. The only way to do this is to train at or below our goal marathon race pace. Remember, the end goal here is to slow down less than our competition. Also, to sustain race pace more efficiently throughout the entire race.

Can a Normal Person Run a Marathon?

Yes, anyone can prepare and run a marathon. No, the fitness required to run one will not come overnight. It takes time, effort and patience to prepare properly for the marathon distance. It is also very important to hydrate well in a race of this length. One of the biggest mistakes runners make is not taking in enough fluid and calories during the race.

So, start sitting water bottles out every 3 miles or 5 kilometers along your long route. Practice drinking like the professionals do in their races. Remember, these runner do not sip, they drink while running. Again, 42 km in miles comes out to just over 26 miles. So, your body will be desperate for nutrition during the race.

Also, pace yourself and be patient in the race. Do your best to stay as relaxed as you can as well. The less muscular tension, the better your performance is going to be. I always tell the athletes I mentor here to run a negative split. So, focus on running the second half of your marathon faster than you run the first half.

How Long Does it Take to Run 42 KMs?

How fast you cover your 42.2 kilometer race will largely depend on the training plan you follow. Have you been running long, slow and easy every single weekend? If so, please stop doing that. A common mistake runners make is running their long runs too slow. Yes, there is certainly a time for this but not every single weekend.

I believe in doing faster, varied paced long runs. I used this strategy to lower my marathon personal best from 2:43:36 to 2:19:35. No, it was not easy. That being said, it was well worth the effort and time I put in. Below is an example of a varied paced long run I did prior to breaking the 2:20 marathon barrier.

  • 2 mile jog, 4 miles@5:25 mile pace, 2 miles easy, 7 miles@6:00 mile pace, 2 miles easy, 1 mile in 4:55, 3 miles@5:55 mile pace, 2 miles jog cool-down (23 miles)

I would always make sure to run my following week’s long run at or around 8 to 9 minute mile pace. I trained with sub 2:10 marathoners who would run easy at the same pace on their easy days. Remember, these are men that could sustain sub-5 minute mile pace for 26.2 miles. So, if these caliber of runners can slow down then so can you and I.

The real benefits of our hard training come after the workouts have been completed. Be sure to jog on your recovery days. Also, run slow enough that you will adapt to the hard training that you are doing.

How Long Does it Take to Walk 42 KM?

A fast walk will take the athlete around 5 hours and 55 minutes. Of course, this athlete has to be in great shape to walk a marathon that fast. A sub 6 hour marathon is 13:44 per mile for 26.2 miles or 8:32 per kilometer for 42.2 kilometers. Remember, the faster you are aiming to cover this distance the more specific the training has to be.

You can walk or run a marathon. That being said, make sure to be well-prepared and give your sufficient time to train. The optimal time frame to train for a marathon is a minimum of 16 and preferably 20 to 24 weeks in length. A major mistake runners make is trying to cram their training into a short period of time.

It takes the body between 21 days to 4 weeks to adapt to the physiological stressors being placed on it. So, do not be in a rush. The good news is that the body always adapts if given sufficient time to recover.

I would also recommend investing in a heart rate monitor. I use the Garmin 245. It helps me to stay at the correct heart rate zones. Also, to not run too fast during easy runs and too slow during faster, anaerobic workouts.

Is 42 KM a Marathon?

Remember, 42 km in miles is 26.219 miles which is the distance set by the International Amateur Athletic Federation (IAAF) in May of 1921. The first time the distance was used was at the 1908 Summer Olympic games that were held in London, England.

What has been the longest tempo run you have done in the past training for your marathons? I ask that because many runners are still not running long enough. We run our tempo runs at or around 85 to 89 percent of our maximum heart rate. The proper tempo run distance is around 10 to 12 miles in length.

Of course, you can still get a good physiological boost from a 3 to 4-mile tempo run. That being said, longer is better. Again, our aim is to teach the body to clear lactic acid more efficiently.

Easy running, although still vital for running success, will not do this. Faster, anaerobic training will. So, the longer you can spend training at our lactate threshold the more effective you will race.

Focus on Your Speed Development

Runners should be doing at least one, vo2 max workout per week. We run at or around 95 to 100% of our maximum heart at this intensity. The major benefit is that it will help to make your goal marathon race pace to feel easier. Examples of vo2 max workouts are hill repetitions, fartlek run workouts and speed intervals.

It is running at speeds that are so aggressive we simply cannot clear lactic acid faster than it builds up. So, we have to take short breaks in between each hard effort. The good news is as we get fitter our rest breaks will decrease. In addition, we can sustain faster paces with less rest.

Mental Training

One of the most commonly overlooked fundamentals for running success is mental rehearsal. The vast majority of runners focus all their attention on physical training. So, start doing what the best runners do. Success leaves clues. I credit mental visualization to helping me in breaking the 2:20 marathon barrier.

I would constantly visualize myself running across the finish line under 2 hours and 22 minutes. My goal was to hold 5:25 per mile (3:22 per kilometer) for the marathon distance. I finally did it on 5 December 2007 running 2:19:35. In fact, held 5:19 per mile or 3:18 per kilometer instead.

Closing Thoughts

Remember, great results come from following all of the fundamentals and not just physical training. So, start spending at least 10 minutes daily with mental training. The best time to do this is when you first get up in the morning or when going to bed at night. See yourself finishing with your goal marathon time on the clock.

Be sure to subscribe to the RunDreamAchieve YouTube channel. I focus on making new training videos there each week. More importantly, to share with you what some of the world’s top runners shared with me. Also, to help you get similar or better results than I got. I hope that this post on what 42 km in miles calculates to has been helpful to you.

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