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Running is one of the simplest ways to stay active. You do not need much equipment, you can do it almost anywhere, and it can be adapted to nearly every fitness level. Whether you are training for a marathon, running your first 5K, jogging around your neighborhood, or trying to stay healthy after work, running offers a powerful combination of cardiovascular fitness, stress relief, and personal achievement.
But running also places repetitive stress on the feet and ankles.
Every stride requires your feet, heels, ankles, tendons, bones, and muscles to absorb impact and push your body forward. Over time, even small issues with shoes, training volume, flexibility, running surface, or foot structure can turn into painful injuries.
At Restore Foot & Ankle Specialists in Plano, TX, we treat runners with heel pain, Achilles pain, ankle injuries, forefoot pain, toenail problems, stress fractures, and other running-related conditions. Our goal is not just to relieve pain temporarily. We help runners understand what caused the injury, recover safely, and reduce the risk of the same problem coming back.
If running has become painful, your body may be telling you something important.
Running injuries usually develop for one of two reasons: sudden trauma or repetitive overuse.
A sudden injury may happen when you roll your ankle on uneven pavement, trip on a curb, or twist your foot during a trail run. Overuse injuries are different. They usually develop gradually when tissues are exposed to repeated stress without enough recovery.
Common causes of running injuries include:
Increasing mileage too quickly
Running too many days in a row
Adding speed work or hills too aggressively
Wearing worn-out or unsupportive shoes
Running on uneven surfaces
Poor warmup habits
Tight calf muscles
Weak foot or ankle muscles
Flat feet or high arches
Overpronation
Returning to running too soon after an injury
Ignoring early pain
One of the biggest mistakes runners make is trying to “run through” pain. Mild soreness can be normal after a hard workout, but sharp, persistent, worsening, or one-sided pain is not something to ignore.
Plantar fasciitis is one of the most common running-related causes of heel pain. It occurs when the plantar fascia, a thick band of tissue along the bottom of the foot, becomes irritated or inflamed.
This tissue supports the arch and absorbs stress during walking and running. When it is overloaded, tiny microtears can develop, leading to pain at the bottom of the heel or along the arch.
Runners with plantar fasciitis often notice:
Sharp heel pain with the first steps in the morning
Pain after sitting for a long time
Heel pain after a run
Pain that improves during activity but returns later
Tightness in the arch
Tenderness under the heel
Discomfort after standing for long periods
Mayo Clinic lists plantar fasciitis as one of the most common causes of heel pain, especially pain affecting the bottom of the heel.
Plantar fasciitis can develop when running volume, intensity, or impact exceeds what the foot can tolerate.
Risk factors include:
Tight calves
Poor arch support
Old running shoes
Sudden mileage increases
Hill running
Speed work
Flat feet
High arches
Running on hard surfaces
Limited ankle mobility
Treatment may include stretching, footwear changes, custom orthotics, activity modification, anti-inflammatory care, night splints, physical therapy, or shockwave therapy for chronic cases.
Mayo Clinic notes that many people with plantar fasciitis recover with conservative care such as icing, stretching, and modifying activities that worsen pain.
The Achilles tendon connects the calf muscles to the heel bone. It is one of the strongest tendons in the body, but it also takes on tremendous force during running.
Achilles tendinitis occurs when the tendon becomes irritated, inflamed, or overloaded.
Runners may experience:
Pain at the back of the heel
Pain along the Achilles tendon
Morning stiffness
Pain during or after running
Tenderness when squeezing the tendon
Swelling or thickening
Difficulty pushing off
Pain with hills or speed workouts
Mayo Clinic identifies Achilles tendinitis as another common cause of heel pain, especially pain affecting the back of the heel.
Achilles tendinitis often develops after a training change. This may include increasing mileage, adding hill workouts, sprinting, changing shoes, or returning to running after time off.
Common contributors include:
Tight calf muscles
Weak calf muscles
Overtraining
Hill running
Speed work
Poor footwear
Limited ankle mobility
Sudden increase in intensity
Forefoot striking changes
Inadequate recovery
Early Achilles pain should be taken seriously. If the tendon becomes chronically irritated, it may develop degenerative changes and become harder to treat.
Treatment may include rest from aggravating activity, stretching, heel lifts, supportive shoes, orthotics, physical therapy, strengthening, and shockwave therapy when appropriate.
A stress fracture is a small crack or severe bone stress injury caused by repetitive impact. In runners, stress fractures commonly occur in the metatarsals, heel bone, navicular, tibia, or other bones of the foot and ankle.
Unlike muscle soreness, stress fracture pain usually becomes more localized and more predictable over time.
Runners may notice:
Pain that starts during running
Pain that worsens with continued activity
Pain that improves with rest
Tenderness in one specific spot
Swelling
Pain with hopping or impact
Pain that eventually occurs during normal walking
Pain that does not improve with stretching
AAOS explains that stress fractures are often caused by repetitive overuse and may occur when training intensity increases too rapidly.
Stress fractures should not be ignored. Continuing to run on a stress fracture can worsen the injury and extend recovery time.
Risk factors include:
Sudden mileage increases
Running too many days per week
Low bone density
Poor nutrition
Inadequate recovery
Worn-out shoes
Hard training surfaces
Previous stress fracture
Biomechanical foot problems
Diagnosis may require an exam and imaging. X-rays may not always show early stress fractures, so additional imaging may sometimes be needed.
Treatment usually involves activity modification, protected weightbearing, immobilization in some cases, and a gradual return-to-running plan.
Ankle sprains are common in runners, especially on trails, uneven sidewalks, grass, curbs, or crowded race routes.
An ankle sprain occurs when the ligaments that support the ankle are stretched or torn. The most common type is an inversion sprain, where the foot rolls inward and injures the ligaments on the outside of the ankle.
Symptoms may include:
Pain on the outside of the ankle
Swelling
Bruising
Difficulty bearing weight
Tenderness
Stiffness
Instability
Pain with side-to-side movement
Some runners assume that if they can walk, the ankle is fine. That is not always true. Mild sprains can still lead to lingering instability if not treated properly.
Untreated ankle sprains can lead to:
Chronic ankle instability
Repeated sprains
Weakness
Balance problems
Tendon irritation
Cartilage injury
Long-term ankle pain
Treatment may include bracing, rest, compression, elevation, physical therapy, balance training, strengthening, and gradual return to running.
A podiatrist can also evaluate whether imaging is needed to rule out a fracture or more serious injury.
Shin splints, also called medial tibial stress syndrome, cause pain along the inside or front of the shin. While the pain is higher up the leg, the cause often involves foot mechanics, training errors, footwear, and running surfaces.
Runners may feel:
Aching pain along the shin
Pain that starts during running
Tenderness along the inner shin
Pain that improves with rest
Tight calves
Pain after increasing mileage
Discomfort on hard surfaces
Shin splints are often related to overuse and may occur when runners increase training too quickly.
Shin splints typically cause a broader area of tenderness, while stress fractures often cause pain in one specific spot. However, the two can feel similar, especially early on.
If shin pain becomes sharp, localized, persistent, or painful with walking, a stress fracture should be ruled out.
Treatment may include activity modification, shoe evaluation, orthotics, calf stretching, strengthening, gait changes, and gradual return to running.
Runners frequently develop toenail problems from repetitive pressure inside shoes.
Common toenail injuries include:
Black toenails
Bruised toenails
Loose toenails
Thickened nails
Toenail pain
Ingrown toenails
Nail fungus after trauma
A black toenail often develops when the toe repeatedly hits the front or top of the shoe, especially during long runs, downhill running, or races.
Toenail problems are often related to:
Shoes that are too short
Narrow toe boxes
Downhill running
Long-distance training
Sweaty feet
Improper sock choice
Repetitive nail trauma
Cutting toenails too short or rounded
If a toenail becomes painful, infected, loose, or ingrown, it should be evaluated.
Ingrown toenails can cause redness, swelling, drainage, and pain in shoes. Runners should not ignore signs of infection, especially if they have diabetes or circulation issues.
Morton’s neuroma is a nerve irritation in the ball of the foot, most commonly between the third and fourth toes.
Runners may describe it as feeling like a pebble in the shoe, burning pain, tingling, or numbness in the toes.
Symptoms may include:
Burning pain in the ball of the foot
Tingling into the toes
Numbness
Pain that worsens in tight shoes
Feeling like the sock is bunched up
Pain that improves after removing the shoe
Forefoot discomfort during longer runs
This condition is often aggravated by narrow shoes, repetitive forefoot pressure, high arches, or abnormal foot mechanics.
Treatment may include wider shoes, metatarsal padding, custom orthotics, anti-inflammatory care, injections, or other podiatric treatments.
The peroneal tendons run along the outside of the ankle and help stabilize the foot and ankle during movement. These tendons are especially important when running on uneven surfaces.
Peroneal tendinitis can cause pain on the outside of the ankle or foot.
Runners may notice:
Pain along the outside of the ankle
Pain behind the outer ankle bone
Swelling
Tenderness
Pain on uneven terrain
Pain that worsens with running
Ankle instability
Discomfort after an ankle sprain
Peroneal tendinitis may develop from overuse, poor footwear, high arches, ankle instability, or previous sprains.
Treatment may include rest, bracing, physical therapy, orthotics, strengthening, and addressing ankle instability.
The posterior tibial tendon helps support the arch and control foot motion. When irritated, it can cause pain along the inside of the ankle or arch.
This injury may be more common in runners with flat feet or overpronation.
Symptoms may include:
Pain along the inside of the ankle
Arch pain
Swelling
Pain with running
Fatigue in the foot
Worsening flatfoot appearance
Difficulty with single-leg heel raises
Early treatment is important because posterior tibial tendon dysfunction can worsen over time and affect arch stability.
Treatment may include orthotics, bracing, strengthening, shoe changes, and activity modification.
Metatarsalgia refers to pain in the ball of the foot. Runners may feel aching, burning, or pressure under the forefoot.
Symptoms may include:
Pain under the ball of the foot
Feeling like stepping on a bruise
Burning forefoot pain
Pain that worsens with running
Pain in thin-soled shoes
Callus formation under the forefoot
Relief when offloading the area
Metatarsalgia may be caused by high-impact activity, tight calf muscles, high arches, worn-out shoes, long-distance running, or abnormal pressure distribution.
Treatment often focuses on reducing forefoot pressure through shoe changes, padding, orthotics, stretching, and activity modification.
Blisters may seem minor, but they can become painful enough to stop a run or disrupt training.
Blisters are usually caused by friction, moisture, heat, or poorly fitting shoes and socks.
Helpful strategies include:
Wearing moisture-wicking socks
Avoiding cotton socks for long runs
Making sure shoes fit properly
Using blister prevention products
Breaking in shoes gradually
Keeping feet dry
Addressing pressure points early
If a blister becomes red, swollen, draining, or increasingly painful, it may be infected and should be evaluated.
The sesamoids are small bones under the big toe joint. They help absorb pressure and assist with push-off during walking and running.
Sesamoiditis occurs when these small bones and surrounding tissues become irritated.
Runners may feel:
Pain under the big toe joint
Pain during push-off
Swelling in the forefoot
Pain when bending the big toe
Discomfort in minimalist or thin-soled shoes
Pain during speed work or hills
Treatment may include offloading pads, shoe changes, immobilization in some cases, orthotics, and temporary activity modification.
Not every ache requires a medical visit. However, runners should seek care when pain is persistent, worsening, or interfering with training.
Schedule an appointment if you have:
Pain lasting more than one to two weeks
Pain that worsens during running
Pain that changes your stride
Limping
Swelling or bruising
Pain in one specific spot
Heel pain every morning
Achilles pain or swelling
Numbness, burning, or tingling
Pain that returns every time you run
Toenail redness, drainage, or infection
An ankle sprain that does not improve
Pain that affects walking or daily activities
ACFAS notes that heel pain can have multiple causes beyond plantar fasciitis, including Achilles tendon inflammation, bursitis, arthritis, gout, stress fractures, tumors, and nerve irritation. This is why persistent heel pain should be properly diagnosed rather than self-treated indefinitely.
At Restore Foot & Ankle Specialists in Plano, we take a comprehensive approach to running injuries.
Your evaluation may include:
Review of your symptoms
Running and training history
Shoe evaluation
Foot structure assessment
Gait and biomechanics evaluation
Range of motion testing
Strength testing
Identifying areas of tenderness
Checking for swelling or instability
Imaging when needed
We also ask questions that matter for runners:
Did you recently increase mileage?
Did you change shoes?
Are you training for a race?
Do symptoms occur at the beginning or end of a run?
Does pain improve with rest?
Are hills, speed work, or long runs making it worse?
Is pain affecting your stride?
Have you had this injury before?
The more clearly we understand the cause, the better we can design a treatment plan.
Treatment depends on the diagnosis, but most running injuries begin with conservative care.
Possible treatment options include:
This does not always mean complete rest. In many cases, we help patients modify running while maintaining fitness through lower-impact activity.
Options may include:
Reducing mileage
Avoiding hills
Temporarily stopping speed work
Cross-training
Walking instead of running
Cycling or swimming
Gradual return-to-run programming
Running shoes matter. The wrong shoe can worsen pain, while the right shoe can improve comfort and reduce stress.
We may evaluate:
Shoe age
Wear pattern
Cushioning
Stability
Toe box width
Arch support
Heel-to-toe drop
Fit during running
Custom orthotics can help address abnormal foot mechanics and pressure patterns.
They may help with:
Plantar fasciitis
Flat feet
Overpronation
Bunions
Neuroma pain
Metatarsalgia
Posterior tibial tendon pain
Recurrent injuries
For some injuries, temporary support may be needed to allow healing. This may include ankle braces, walking boots, or other supportive devices.
Strengthening is often essential for long-term recovery.
A plan may include:
Calf strengthening
Foot intrinsic strengthening
Balance training
Hip and glute strengthening
Mobility work
Eccentric tendon loading
Return-to-run progression
Shockwave therapy may be used for chronic plantar fasciitis, Achilles tendinitis, or other soft tissue conditions that have not improved with standard conservative care.
This treatment uses acoustic wave energy to stimulate healing in irritated tissue.
For runners with ingrown toenails, black toenails, blisters, calluses, or fungal nail concerns, treatment may focus on relieving pressure, preventing infection, and improving shoe fit.
Running injuries cannot always be prevented, but risk can be reduced with smart habits.
Avoid sudden jumps in weekly mileage. Give your body time to adapt.
Alternating between pairs may reduce repetitive stress and help shoes last longer.
Running shoes lose support and cushioning over time. Old shoes can contribute to injury.
Dynamic warmups prepare muscles, tendons, and joints for activity.
Runners benefit from strengthening the calves, hips, glutes, core, and small foot muscles.
Calf tightness contributes to many running injuries, including plantar fasciitis and Achilles tendinitis.
Pain is easier to treat early. Do not wait until you are limping.
Do not increase mileage, speed, hills, and frequency all in the same week.
Sleep, nutrition, hydration, and rest days are part of training.
Plano and the surrounding North Texas area offer plenty of places to run, from neighborhood sidewalks to parks, trails, and road races. But local running environments can affect injury risk.
Runners in Plano may deal with:
Concrete sidewalks
Uneven pavement
Hot summer temperatures
Dehydration risk
Long training seasons
Year-round outdoor activity
Hard running surfaces
Increased sweat and blister risk
Shoe wear from high mileage
Running in heat can also increase fatigue, which may alter form and increase injury risk. Proper hydration, shoe fit, and gradual training are especially important during North Texas summers.
If pain is mild and improves quickly, you may be able to reduce intensity and monitor symptoms. However, sharp pain, worsening pain, limping, swelling, or pain in one specific spot should be evaluated.
Heel pain is common, but it is not something runners should ignore. It may be plantar fasciitis, Achilles tendinitis, stress fracture, nerve irritation, or another condition.
Some runners can continue modified activity, but running through worsening heel pain can delay recovery. A podiatrist can help determine whether running is safe based on severity.
Stress fracture pain is often localized, worsens with activity, improves with rest, and may eventually hurt during walking. Imaging may be needed for diagnosis.
Return depends on the diagnosis and severity. A safe return usually requires pain-free walking, improved strength, reduced tenderness, and gradual progression.
At Restore Foot & Ankle Specialists, we understand that runners want more than a diagnosis. They want a clear plan to get back to training safely.
Whether you are dealing with heel pain, Achilles tendinitis, stress fracture symptoms, ankle instability, toenail injuries, or pain in the ball of the foot, our team can help identify the cause and guide your recovery.
We proudly serve runners from Plano, Frisco, Allen, McKinney, Richardson, Murphy, Parker, Wylie, and surrounding North Texas communities.
Running injuries often start small. A little heel pain. A sore Achilles. A tender spot on the top of the foot. A tight shin. A bruised toenail. At first, it may seem manageable.
But small problems can become bigger injuries when runners continue training without addressing the cause.
The earlier you seek care, the easier it is to treat most running injuries and return to activity safely.
If foot, heel, ankle, or tendon pain is interfering with your runs, schedule an appointment at Restore Foot & Ankle Specialists in Plano today and let our team help you recover, prevent re-injury, and get back to running with confidence.