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Most people overestimate how many calories they torch while running. Here’s how to figure out your numbers—and tips to boost the burn.

There are so many reasons to run, including spending time in nature, taking a break from scrolling social media, and hanging with like-minded people. One of the most common reasons people turn to the sport: to boost physical and mental health. In fact, three out of four runners say staying healthy and in shape is a primary motivation for lacing up, according to a survey from Running USA. 

For many people, “staying healthy and in shape” translates to burning calories and keeping weight in check, and running is a top activity for revving your heart rate and blasting calories. But just how many calories do you burn running one mile? 

Turns out most people don’t know the answer: When runners completed both moderate- and vigorous-intensity workouts on a treadmill, they greatly overestimated how many calories they burned—some by as much as 72 percent—in a 2016 study in Medicine and Science in Sports and Exercise. 

So let’s break down approximately how many calories the average runner burns over the course of one mile and how to calculate your calorie-burn rate, plus expert tips to raise that number.

How many calories does the average runner burn running one mile?

It’s difficult to generalize how many calories everyone would burn running one mile, as many factors play into your energy expenditure. But the general baseline is that runners burn about 100 calories per mile, April Gatlin, certified personal trainer and senior master coach for STRIDE Fitness in Chicago tells Runner’s World.

Two important factors that change that number are the intensity of your run and your weight, according to the 2024 Adult Compendium of Physical Activity, which calculates the energy cost of physical activity based on metabolic equivalents (METs). 

Based on the MET chart, running a 10-minute mile (6 mph) is equivalent to about 9.3 METs. That means a 150-pound person (68 kilograms), would burn about 11 calories per minute or about 110 calories in a mile when running at 6 mph.

To calculate calories burned per minute using METs, follow this formula: METs x 3.5 x (your bodyweight in kilograms) / 200

Intensity and weight aren’t the only variables that can alter how many calories you burn running a mile, though. “Running mechanics play a big role in caloric expenditure—different aspects such as ground contact time, vertical motion, and muscular strength have a significant effect on the amount of calories that are burned or energy that is expended in terms of oxygen consumption,” Grace Horan, exercise physiologist at Hospital for Special Surgery in New York City tells Runner’s World. 

That oxygen consumption, along with fuel utilization—which is how our cells use carbs and fat for fuel—is what caloric expenditure is all about, she says. Because there’s more vertical motion (or bounce) in running compared with walking, that translates to higher calorie burn. “Your body is now not only using energy to travel horizontally but vertically as well,” Horan adds. 

What factors affect your one-mile calorie burn?

1. Weight

“The heavier the runner, the higher the calorie burn as their body is working harder to move forward,” says Gatlin. In fact, a 185-pound person burns nearly 100 calories more per 30 minutes of running at 5 mph compared with a 125-pound person, according to estimates from Harvard Medical School. 

2. Pace

Running a fast mile will burn a higher number of calories than a slow mile, says Gatlin, especially if you mix in speed intervals: “Intervals will burn more calories overall due to the varied high-to-low heart rate burst causing excess post-exercise oxygen consumption (EPOC), which is an after-burn effect,” she explains. “That causes the body to continue to burn at the higher metabolic rate after the training is complete.”

The same holds true about running versus walking: People who ran a mile showed increased energy expenditure (read: calorie burn) for 15 minutes postworkout while those who walked the same distance increased the after-burn effect for only 10 minutes, according to a study published in the Journal of Strength and Conditioning Research in 2012, involving 15 males and 15 females. 

3. Sex

“There is also some evidence that gender plays a role in caloric expenditure, with females often burning less calories compared to their male counterparts when running at the same speed for the same distance,” says Horan. 

However, she notes, the difference in overall body mass between men and women is generally thought to be the primary cause for this.

4. Fitness, biomechanics, and genes

While concrete stats, such as speed and weight, contribute to calorie burn, so do fluctuating variables that are more difficult to count. “Burning calories is directly related to oxygen consumption, which is determined largely by the ability of the lungs to take in large amount of oxygen and the heart to pump oxygenated and nutrient-filled blood to the working muscles, so cardiorespiratory fitness [level] has a major effect [on calorie burn],” notes Horan. While there’s no simple way to incorporate these details into your calorie estimates, know that they do have a bearing.

In other words, while you can get a rough estimate of how many calories you burn over a given distance or time, remember that these are just estimates. 

How can you estimate your personal calorie burn?

In addition to the MET equation mentioned above, Runner’s World has a calories burned calculator to help. Pop in your weight, along with how far you ran and how long it took you, and it’ll pinpoint approximately how many calories you expended on that outing. 

While this does take some variables into account (i.e., your weight and speed), it doesn’t factor in extras like your fitness level or what kind of terrain you covered. For example, if your course was totally flat, you likely torched slightly fewer calories than if you’d encountered tons of hills, according to Gatlin.

How can you increase the calorie burn of your one-mile run?

1. Add in speed

The higher your effort during a run, the more calories you’ll burn per minute, which also means you can expend more energy in less time the faster you run. 

Research backs this up: A study published in 2019 found that high-intensity interval training (doing 10 reps of one-minute intervals at 100 percent of VO2 max with one minute of recovery) took less time to reach the same energy expenditure of a moderate-intensity workout (going for 35 minutes at 65 percent of VO2 max).

Another study, published in 2013, also found that sprint interval training can increase total daily energy expenditure after one session. 

2. Tackle hills

Heading to a hilly course outside (or cranking up the incline on a treadmill) is great for torching calories, because it’s as if you’re adding resistance training to the workout, notes Gatlin. That’s because your lower-body muscles perform at a higher level of mechanical work to increase your potential energy on an incline, compared with level or downhill running, according to a 2016 article in Sports Medicine.

3. Break up your run

Planning to run three miles today? If you break them up into three one-mile runs throughout the day and run each of those at a faster pace than you’d run one steady-state run, you’ll boost the calorie burn, says Gatlin. 

The reason: It goes back to that afterburn effect—you burn more calories when you’re done running—as well as the ability to turn those shorter runs into higher-intensity exercise. 

What other benefits do you gain from running a mile?

All this being said, frying calories is hardly the only benefit of a running routine. Opt to run instead of walk a mile and you will also boost your aerobic capacity, muscular endurance, and metabolic rate, says Gatlin.

Additionally, running improves your overall health by warding off all kinds of medical issues. “It’s heavily supported that increasing aerobic capacity through running has been linked to decreases in incidence of many health conditions, including heart disease, diabetes, and some forms of cancer,” says Horan. Plus, “recreational running on a regular basis also creates favorable conditions for bone formation, which leads to increased bone mineral density and decreased risk of fractures.”

Even slow, short runs have fantastic health benefits. One study that followed more than 55,000 Americans over 15 years found that those who ran less than a 10-minute-per-mile pace for five to 10 minutes a day had significantly reduced risk for all causes of death.

So even if you come to running for the calorie burn, there are good reasons (lots of them!) to keep coming back for an all-over health boost. 

Ethiopia’s Fotyеn Tesfay Haylu delivered one of the most remarkable women’s half-marathon performances ever seen on American soil on Sunday, powering to a commanding victory at the 2026 Buenos Aires Half Marathon in Argentina in 1:03:57.

Running with exceptional confidence and strength, Tesfay took control of the race and produced a superb solo performance to rewrite the event record. Her breathtaking run also carried historic significance, as she became the first woman to break the 64-minute barrier for the half marathon in the Americas, producing what is being celebrated as the fastest women’s half-marathon performance ever recorded on the continent.

The Ethiopian star was in a class of her own, crossing the finish line more than a minute clear of Turkey’s Nevin Can, who finished second in 1:05:06. Another Turkish athlete, Selin Can, completed the podium in third place with 1:05:11, as the leading trio all produced strong performances on the fast streets of Buenos Aires.

Kenya also featured prominently in the top positions, with Irene Jepchumba Kimais taking fourth in 1:06:04, followed by Sheila Chepkirui in fifth with 1:06:13. Magaret Akidor Ngathike finished sixth in 1:06:46, while fellow Kenyan Deborah Samum claimed seventh place in 1:08:32.

Brazil’s Nubia de Oliveira Silva was eighth in 1:11:13, while Argentina’s Sofia Luna and Dahyana Juarez rounded out the top 10 with times of 1:11:21 and 1:11:28, respectively.

Top 10 Women – 2026 Buenos Aires Half Marathon

1. Fotyеn Tesfay Haylu (Ethiopia) – 1:03:57

2. Nevin Can (Turkey) – 1:05:06

3. Selin Can (Turkey) – 1:05:11

4. Irene Jepchumba Kimais (Kenya) – 1:06:04

5. Sheila Chepkirui (Kenya) – 1:06:13

6. Magaret Akidor Ngathike (Kenya) – 1:06:46

7. Deborah Samum (Kenya) – 1:08:32

8. Nubia de Oliveira Silva (Brazil) – 1:11:13

9. Sofia Luna (Argentina) – 1:11:21

10. Dahyana Juarez (Argentina) – 1:11:28

For Tesfay, it was far more than a race victory. Her 1:03:57 performance was a statement of extraordinary quality, combining speed, endurance and remarkable solo running to produce a landmark result in Buenos Aires. In a race that will be remembered for years to come, the Ethiopian did not simply win—she redefined what was thought possible for women’s half-marathon running in the Americas.

Ethiopia’s Yomif Kejelcha produced one of the most extraordinary performances in road racing history on the streets of Buenos Aires, Argentina, reclaiming the half marathon world record with a sensational 56:51 performance at the 2026 Buenos Aires Half Marathon.

The former world record-holder delivered a breathtaking exhibition of speed and endurance to take 29 seconds off the previous pending mark of 57:20, set by Uganda’s Jacob Kiplimo and takes a huge chunk from his own former official world record. Kejelcha's new performance is pending the standard ratification procedures, but if officially ratified, it will return the world record to the Ethiopian star and mark another remarkable chapter in the evolution of the event. 

Kejelcha's achievement is particularly significant because the 57-minute barrier had already been broken before. Jacob Kiplimo had previously run under 57 minutes, clocking 56:42 that was not ratified demonstrating that the once-unthinkable barrier was possible. Kejelcha, however, has become the second man to run under 57-minute barrier who now returns to the top of the all-time rankings with another historic performance in Buenos Aires.

The Ethiopian's race was remarkable not only for the final time but also for the way he built his performance. He covered the opening five kilometres in 13:44 before reaching 10km in 27:18. Rather than slowing, Kejelcha accelerated through the middle stages, passing 15km in 40:39 and 20km in 54:02 as he continued to push the limits of elite road racing.

By the time he reached the finish line, Kejelcha had completed the race at an extraordinary average pace of approximately 2:42 per kilometre, producing one of the most astonishing sustained efforts ever witnessed in distance running. His stunning run sent a powerful message to the athletics world and further strengthened his status as one of the most formidable distance runners of his generation.

Behind the record-breaking champion, Ethiopia completed a dominant clean sweep of the men's podium. Tadese Worku Gebresilase claimed second place in 59:18, while Bereket Nega Batebo secured third in 1:00:17, giving Ethiopia a memorable one-two-three finish in the Argentine capital.

Kenya’s Jonathan Kipkoech Kamosong finished fourth in 1:00:20, followed by compatriot Simon Maywa in fifth with 1:00:55. Argentina’s Ignacio Erario gave the home supporters plenty to celebrate with an impressive sixth-place finish in 1:00:57, breaking the one-hour barrier in front of an enthusiastic local crowd.

Dillon Kipyeko of Kenya finished seventh in 1:01:07, with Robert Kiprop Koech eighth in 1:02:01. Mexico’s Julio Ortiz Ponce took ninth place in 1:03:17, while Colombia’s Jimmy Gómez completed the top 10 in 1:03:34.

The Buenos Aires Half Marathon will now take its place in the history books as the scene of a truly extraordinary breakthrough. For Kejelcha, this was more than just another victory. It was a spectacular return to the top, reclaiming a world record he had previously held and once again rewriting the limits of the half marathon.

The 56:51 performance remains pending ratification, but Yomif Kejelcha's run has already delivered one of the defining moments in the history of road racing.

Kenya delivered another commanding display of distance-running excellence at the Antrim Coast Half Marathon, with Isaia Lasoi leading a memorable Kenyan clean sweep of the men's podium in a race packed with world-class performances.

Lasoi emerged victorious after a thrilling battle at the front, crossing the finish line in a superb 58:26 setting a new course record. His winning performance underlined his strength and speed over the half-marathon distance, but he was made to work all the way by fellow Kenyan Daniel Mateiko, who finished just three seconds behind in 58:29 after an electrifying duel for the title.

The contest between the two leaders produced one of the standout moments of the race, with both athletes pushing deep into elite territory as they fought for victory. In the end, Lasoi found just enough to secure the win, while Mateiko's narrow defeat highlighted the remarkable depth and quality of Kenya's leading distance runners.

Vincent Kipkorir completed the Kenyan sweep, taking third place in 1:00:38 to ensure that all three places on the podium belonged to Kenyan athletes. Samwel Chebolei added further Kenyan strength to the results, finishing fourth in 1:01:01, while Amos Langat was also among the leading finishers.

The international field featured several prominent names. Australia's Jimmy Whelan produced a strong run, while Ethiopia's Yismaw Dillu featured among the front group. American marathon star Galen Rupp also delivered a notable performance, clocking 1:01:29 in another competitive outing for the experienced distance runner. Former world-class track and road athlete Edward Cheserek was also among the top finishers.

Lasoi's 58:26 victory, however, was the defining performance of the day. Together with Mateiko and Kipkorir, he gave Kenya a perfect podium and another emphatic reminder of the country's extraordinary strength in elite road running.

The Antrim Coast Half Marathon once again provided a fast, competitive stage for some of the world's finest distance runners, but when the decisive moments arrived, it was Kenya that owned the podium.

One of the most iconic milestones in the history of ultramarathon running is drawing closer, with entries for the historic 100th edition of the Comrades Marathon set to open on Tuesday, 25 August 2026.

The Comrades Marathon Association has officially announced a detailed entry process for the 2027 race, which will unfold in three stages and give runners around the world the opportunity to secure their place in what promises to be one of the most significant editions ever held of The Ultimate Human Race.

The announcement followed the official launch of the 2027 Comrades Marathon on Wednesday, 19 August, when the centenary campaign, “The Greatest Story Ever Run,” was unveiled alongside a special logo created exclusively for the landmark 100th edition.

The launch also revealed several major highlights for the Centenary Race. The historic event will take place on Sunday, 13 June 2027, and will be a Down Run, with 28,000 places available. The entry process will include a ballot, while the race will offer a record R8.919 million in prize money. Organisers have also set an ambitious goal of raising R10 million for the Amabeadibeadi charities, adding an important charitable dimension to the centenary celebrations. One of the defining moments of the launch was the unveiling of the special Centenary mark, created to commemorate this extraordinary milestone in the history of the race.

The entry process begins on 25 August at 10:00 a.m. SAST, when entries open for Green Number runners, Yellow Number runners and Amabeadibeadi charity entrants.

The next phase follows on 2 September at 10:00 a.m. SAST, when entries open for Comrades Marathon Association members. This window will remain open for 72 hours or until the available entry allocation is filled, with places offered on a strictly first-come, first-served basis.

For general entrants, the process will move to a ballot system. General entries open on 9 September at 10:00 a.m. SAST, with runners able to enter the ballot until it closes on 22 September at 4:30 p.m. SAST. The ballot draw is then scheduled to take place on 23 September.

Several other crucial dates will shape the road to the historic race. The substitution period will run from 15 to 31 March 2027, while 3 May 2027 is the final deadline for runners to submit their qualifying performances, seeding information and other required entry details.

To qualify for the 2027 Comrades Marathon, runners must complete a 42.2km marathon in under five hours between 15 June 2026 and 3 May 2027.

The journey will finally culminate on Sunday, 13 June 2027, when thousands of runners are expected to line up for the historic 100th edition of the Comrades Marathon.

The 2027 race will represent a remarkable moment for the legendary South African ultramarathon. For more than a century, the Comrades Marathon has captured the imagination of runners and spectators with its extraordinary test of endurance, determination and human spirit. Its centenary edition will celebrate the generations of athletes who have faced its demanding roads, conquered its challenges and helped build one of the world's most respected endurance events.

For runners dreaming of becoming part of this historic occasion, the road to Comrades 2027 is now clearly marked. From the opening of entries in August 2026 to race day in June 2027, every deadline will matter.

The Greatest Story Ever Run is preparing for its most historic chapter yet.

American sprint standout Sam Blaskowski is taking steps toward an international future with Poland after uncovering a powerful connection to his family's ancestral homeland.

The 23-year-old sprinter, who has established himself as one of the fastest Americans of his generation with a personal best of 9.89 seconds in the 100 metres, has begun the process of obtaining Polish citizenship with the aim of eventually representing Poland in international competition.

Blaskowski's connection to the country traces back through his great-grandparents, Franciszek and Julian Błaszkowski, who emigrated from Poland to the United States in 1905. Their journey more than a century ago has now opened an unexpected new chapter for their descendant, whose athletic ambitions could soon carry the Błaszkowski name back onto the international stage under Polish colours.

The sprinter has already received support from the Polish Athletics Association as he works through the citizenship and eligibility process. Should his transfer of allegiance be completed, Blaskowski could become a significant addition to Poland's sprint programme.

His credentials certainly make the prospect an exciting one. In addition to his sub-10-second speed over 100 metres, Blaskowski owns a personal best of 19.93 seconds in the 200 metres, demonstrating the kind of versatility that could prove valuable both individually and in Poland's 4x100m relay squad.

For Blaskowski, however, the move is about more than simply changing national colours. It represents an opportunity to reconnect with his family's heritage while pursuing his ambitions at the highest level of the sport.

With his sights set on becoming part of Poland's international sprint team and competing for relay medals, Blaskowski's journey from discovering his Polish roots to potentially representing the country of his ancestors could become one of the most fascinating allegiance stories in world athletics.

A century after Franciszek and Julian Błaszkowski left Poland for America, their family's story may now be coming full circle—this time at full sprint.