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These mysterious bumps can cause discomfort and pain, but prevention and early treatment can help you stick to your training schedule.

Picture this: You’re blissfully clocking your miles on a Saturday morning until you feel a small but growing pressure on top of your foot. It’s slight, so you ignore it, but over time that discomfort starts to become more noticeable—and once you take your running shoes off at home, you notice a bulb-like bump on your foot.

What gives? You could have what’s known as a ganglion cyst. These sometimes painful bumps aren’t often talked about in the running community, but they’re one of the most common soft tissue masses found in the foot and ankle, per a 2023 review in the Journal of Clinical Orthopaedics and Trauma. Plus, they can derail your training if not addressed.

Here’s everything you need to know about ganglion cysts as a runner, including how to prevent and treat them. 

How might a ganglion cyst show up in runners?

A ganglion cyst develops slowly over weeks or months, but it may grab your attention during a run. 

“There will be some soreness associated with a ganglion during a run due to shoe pressure against it,” says Karen A. Langone, D.P.M., a Southampton, New York-based spokesperson for the American Podiatric Medical Association and podiatrist who specializes in sports and fitness medicine. “You might notice a lump on the foot, which can worsen during the run.” 

That lump on your foot can be easy to confuse with a number of other conditions. Found along a tendon or near a tendon, a ganglion cyst can be mistaken for an exostosis, for example, which is a benign (noncancerous) bone tumor, per the Cleveland Clinic. 

“It might also be confused with a stress fracture of a metatarsal bone,” says Alex Kor, D.P.M., a spokesperson for the American Podiatric Medical Association, a podiatrist at Hendricks Regional Health in Danville, Indiana and team podiatrist for the athletic programs at Butler University. A metatarsal stress fracture is a break in the bone from repeated injury or stress, which can be caused by running. 

What is a ganglion cyst?

On the other hand, ganglion cysts are noncancerous bumps that usually appear along your tendons or the joints of the wrists or hands, but they can also occur in ankles and feet, according to the Mayo Clinic. They’re filled with a jellylike fluid. 

“A ganglion cyst, like any mass, makes the runner’s foot feel tight,” says Kor. “The pain can be characterized as dull or sharp if mileage is extended or there is increased shoe pressure.” 

This cyst is usually caused by a bony point that’s exacerbated by shoe pressure (and possibly by your foot swelling at the end of a run), a tendon that gets overused (which may be the result of tendonitis), or from acute trauma. The fluid in the tendon sheath can “leak out” after overuse or trauma to form the ganglion cyst, adds Kor.

Once one of these things occurs, the inflammation within the tendon sheath accumulates in one area and worsens, forming the ganglion cyst. 

Although they’re filled with fluid, they can feel firm to the touch, per Yale Medicine. They can be as small as a pea or as large as an inch in diameter. Sometimes, they can affect joint movement and cause pain if they press against a nerve. 

The majority of ganglion cysts occur on the top of the foot or the front of your ankle, says Kor. They are rare on the bottom of the foot.

Risk factors for these cysts include sex and age (most often, ganglion cysts occur in women between the ages of 20 and 40) and osteoarthritis (particularly when they occur in the hands), per the Mayo Clinic. 

Should you run with a cyst?

You can continue to run with a ganglion cyst, especially if there is no pain. Even if there is some pain, your level of discomfort will determine the best steps for treatment.

“This is not a condition that will significantly worsen [if you run on it],” says Kor. “In other words, it is not like a stress fracture that can ‘break’ to the point that surgery is needed.” 

However, it’s important to check with a doctor to make sure the bump is a ganglion cyst and not something more serious, and to determine ways to avoid discomfort.

Being a runner alone does not increase your risk of ganglion cysts, but your foot shape may play a role. “They are a little more common in very high arched feet and very flat feet,” says Kor.

How can runners treat ganglion cysts?

First, visit your doctor, who may conduct imaging tests like an X-ray and ultrasound to confirm that it is a ganglion cyst (and not something else). 

Once the bump has been identified as a ganglion cyst, there are a few treatment options, starting with these less invasive methods:

Padding

This can be placed around (not on) the ganglion cyst to avoid pressure from a running shoe. “A pad or blister bandage directly over the ganglion cyst may worsen the pain,” says Kor. “Typically, a horseshoe pad or donut pad is applied to offload the cyst.”

Icing

You can also ice your foot after a run and on a daily basis for 20 to 30 minutes. Place a towel between your foot and the ice pack to avoid skin irritation. “Ice can cause vasoconstriction to reduce inflammation, swelling, and pain,” says Kor. 

Changing Shoes

A supportive shoe has the potential to reduce overuse, which may help in the initial stages of a ganglion cyst, says Kor. A supportive shoe should not bend at the sole (typically, this has nothing to do with the brand name or price of the shoe).

Taking Breaks from Footwear

When you’re not running, avoid shoes that exacerbate the ganglion cyst area. For instance, skip the one-strap sandal that directly rubs the cyst area. Unsupportive footwear, like flip-flops with a flexible sole, can also worsen the cyst. 

Adjusting Your Shoe Laces

If the ganglion is on the top of the foot, your shoelace pattern can be changed to avoid direct pressure on the ganglion. For instance, your podiatrist might recommend a lacing pattern often used for patients with high instep (the bony structure on top of your foot). 

In this case, cross your laces as usual toward the bottom of the tongue, skip crossing them over in the middle (and instead create a line along each side of the tongue), then finish lacing near the top of the tongue. This offloads the top of the foot that may be affected by the cyst. See an example of how to do it here. 

Take Anti-Inflammatory Medication

If approved by your doctor, you can take over-the-counter anti-inflammatory medications to ease the discomfort of a ganglion cyst.

If you’re in pain, it’s worth speaking with your doctor about longer-term solutions for treating the cysts. Kor notes that many runners may see little to no improvement with these conservative options. 

If these steps don’t help, your podiatrist might suggest an in-office procedure in which the fluid is withdrawn and sometimes injected with a small amount of cortisone to shrink the remaining cyst—or complete surgical removal of the cyst.

Even surgery isn’t a magic bullet: The recurrence of ganglion cysts after surgical removal ranges from 4 to 40 percent, according to a 2021 study in The Archives of Bone and Joint Surgery. 

Clearly, it’s important to speak with your doctor transparently about your pain levels to determine the pros and cons of each treatment. Fifty percent of the time, ganglion cysts resolve on their own, according to a historic study in Current Reviews in Musculoskeletal Medicine. 

How can runners prevent ganglion cysts?

Some of the methods described above for treating an early-stage cyst can also be used to prevent one in the first place, starting with your running shoe.

“Ganglions are often found over areas where the bone is prominent and there is aggravation from shoe pressure,” says Langone. “A well-fitting running shoe is an important part of avoiding ganglions, as is altering lacing patterns to avoid painful pressure.”

If your doctor has already aspirated your ganglion cyst and you want to prevent recurrence, a well-fitting shoe and altering lacing patterns may still help—along with icing after runs. 

“Over-the-counter or custom-made orthotics can also indirectly help with a ganglion cyst,” says Kor. “There is some indication that increasing support within the shoe can reduce the overuse on a tendon, which may in turn reduce the irritation that contributes to a cyst.” 

Your podiatrist can prescribe custom orthotics based on your foot’s specific shape. That said, if a ganglion cyst is already significantly symptomatic, an over-the-counter orthotic will typically not help.

As with most things, prevention and early detection are key. If you start to notice discomfort or an unusual bump, make an appointment with your doctor to discuss treatment options—so you can get back to pain-free miles.

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.