Part 1: Introduction β The Reality of Injuries in Ultramarathons πββοΈπ₯
Introduction: Ultramarathons are a true test of endurance, strength, and resilience. Whether you’re running across rugged mountains, traversing deserts, or racing through forests, the sheer distance and demanding conditions put a lot of stress on your body. While pushing through fatigue is a given, there’s one thing no ultrarunner wants: an injury that sidelines their progress and performance.
In this article, weβll explore common injuries that affect ultrarunners, their causes, and most importantly, how to prevent them. From the infamous stress fractures to the nagging pain of plantar fasciitis, injuries are an inevitable part of the sportβunless you take the necessary steps to avoid them.
Letβs dive into the strategies that will keep you on the trail, pain-free and injury-free, for years to come. π
Part 2: The 5 Most Common Running Injuries for Ultrarunners β οΈ
1. Stress Fractures π
Stress fractures are one of the most common and painful injuries ultrarunners face. These tiny cracks in the bone typically occur in weight-bearing bones like the metatarsals (foot bones) or tibia (shin bone), and they happen when the bones are subjected to repetitive stress over time, without adequate recovery.
Symptoms:
- Sharp pain in the affected bone, often worsening during activity.
- Swelling around the fracture site.
- Tenderness when touching the bone.
Causes:
- Overtraining or increasing mileage too quickly.
- Poor running form that puts excessive stress on certain bones.
- Running on hard surfaces for prolonged periods.
Prevention:
- Gradually increase mileageβavoid big jumps in weekly training distance.
- Focus on strength training to improve bone density and muscle support.
- Choose softer surfaces, like trails, over hard pavement.
- Make use of proper footwear, including shoes with adequate cushioning and arch support.
- Take regular rest days to allow your body to recover and rebuild stronger bones.
2. Plantar Fasciitis π£
This is one of the most painful injuries a runner can experience, often described as a sharp pain in the bottom of the heel. Plantar fasciitis happens when the plantar fascia, a thick band of tissue that runs from the heel to the toes, becomes inflamed from overuse.
Symptoms:
- Stabbing pain in the bottom of the heel, especially when taking the first few steps in the morning or after long periods of rest.
- Pain that intensifies after long runs or standing.
Causes:
- Tight calf muscles and achilles tendons.
- Running without proper arch support.
- Running on uneven or hard surfaces.
- Excessive pronation (inward rolling of the foot).
Prevention:
- Stretch and foam roll your calves and achilles tendons regularly to keep them flexible.
- Invest in shoes with adequate arch support or use custom insoles.
- Strengthen the foot muscles with exercises like toe curls or picking up marbles with your toes.
- Avoid running excessively on hard surfaces.
- Use a heel pad or orthotic insoles if youβre prone to heel pain.
3. IT Band Syndrome (Iliotibial Band Syndrome) π¦΅
The IT band is a thick strip of tissue that runs from the hip to the knee on the outside of the thigh. IT band syndrome occurs when this tissue becomes tight and inflamed, leading to pain on the outer part of the knee or hip.
Symptoms:
- Pain on the outer side of the knee, which may worsen after long runs.
- Tightness or discomfort in the hip or thigh.
Causes:
- Weakness in the hip abductors or glutes.
- Running with poor alignment or form, which can lead to excessive stress on the IT band.
- Running on uneven surfaces that cause side-to-side motion.
Prevention:
- Incorporate strength training for the hips, glutes, and core to improve running form and reduce strain on the IT band.
- Foam rolling and stretching the IT band after long runs.
- Maintain proper form during running, focusing on a straight line from your hip to your knee.
- Avoid running on slanted or cambered roads, as they can increase the risk of IT band strain.
4. Achilles Tendonitis β‘
The Achilles tendon connects the calf muscles to the heel bone and is responsible for pushing off during each stride. When it becomes irritated or inflamed, it can result in Achilles tendonitis, a common injury for ultrarunners.
Symptoms:
- Pain and stiffness along the back of the lower leg.
- Swelling and tenderness, especially in the morning or after exercise.
- A weakened ability to push off the ground when running.
Causes:
- Overuse or rapid increases in mileage without adequate rest.
- Running with improper footwear or tight calf muscles.
- Hill running, which can place extra strain on the tendon.
Prevention:
- Gradually increase the intensity of training, avoiding sudden spikes in mileage or intensity.
- Stretch and strengthen the calves and Achilles tendon regularly with exercises like calf raises.
- Focus on footwear that provides adequate support and cushioning.
- Use eccentric calf raises (lowering your body slowly on one leg) to strengthen the Achilles tendon and prevent injury.
5. Runnerβs Knee (Patellofemoral Pain Syndrome) π¦΅
Runnerβs Knee is a common injury caused by pain around the patella (kneecap) and can occur due to overuse, muscle imbalances, or improper biomechanics.
Symptoms:
- Pain around or behind the kneecap, particularly when running downhill or after long runs.
- Swelling and stiffness in the knee joint.
Causes:
- Weakness in the quadriceps or hip muscles.
- Poor alignment of the patella (kneecap) during movement.
- Overuse from excessive training or running on hard surfaces.
Prevention:
- Strengthen the quadriceps, hamstrings, and hip muscles through exercises like lunges, squats, and step-ups.
- Work on foam rolling and stretching to keep the knee and leg muscles flexible.
- Make sure your footwear provides adequate support, especially if you have overpronation or flat feet.
- Avoid running on hard, flat surfaces for long distances. Trails are gentler on the knees.
Part 3: Preventative Strategies to Stay Injury-Free π‘οΈ
The key to staying injury-free in ultramarathons lies in a combination of smart training, recovery strategies, and preventative care. Here are some general tips that will help you avoid common running injuries:
- Gradual Training: Avoid increasing your mileage by more than 10% per week. This will give your muscles and joints time to adapt.
- Cross-Training: Incorporate activities like cycling, swimming, or strength training to improve overall fitness and reduce the risk of overuse injuries.
- Rest & Recovery: Donβt underestimate the power of rest. Recovery days are just as important as your training runs. Consider active recovery, such as walking, yoga, or foam rolling, to keep the blood flowing without taxing your body.
- Proper Footwear: Ensure that your shoes are fitted properly and provide adequate support for your arch type. Rotating shoes (alternating between two pairs) can help reduce wear and tear on any one pair.
- Stretching & Flexibility: Regularly stretch your calves, hamstrings, quads, and IT band. Incorporate foam rolling into your routine to release tight spots.
- Nutrition: A well-balanced diet with enough calories, protein, and micronutrients like calcium and vitamin D is essential for muscle and bone health. Stay hydrated and make sure to replenish electrolytes during long runs.
Part 4: Rehabilitation β What to Do if You Get Injured π οΈ
Even with the best preventative care, injuries may still happen. If you find yourself injured, hereβs how to approach rehabilitation:
- Rest & Ice: For any injury, the first step is rest. Use the R.I.C.E. methodβRest, Ice, Compression, and Elevationβto reduce swelling and speed up recovery.
- Physical Therapy: If you experience a persistent injury, physical therapy can help you strengthen the affected area and prevent future issues.
- Gradual Return to Running: Donβt rush back into running. Start with short, easy runs and progressively increase the intensity as you heal.
- Use Supportive Gear: Depending on the injury, braces, wraps, or orthotic insoles can help provide additional support while you heal.
Conclusion π
Injuries are a part of ultrarunning, but they donβt have to be inevitable. By following preventative strategies, focusing on strengthening muscles, proper recovery, and using the right gear, you can greatly reduce your risk of injury and enjoy your ultrarunning journey pain-free. Keep your body strong, your mind focused, and always listen to your bodyβs signals.
Part 3: Preventative Strategies to Stay Injury-Free π‘οΈ
Ultramarathons place a tremendous amount of stress on your body, so itβs crucial to take steps to reduce the risk of injuries before they happen. Prevention is the best approach for staying on top of your game and avoiding setbacks. Here are some additional strategies and tips to help you stay injury-free during your training and races:
1. Gradual Training Progression π
The most common cause of injury in ultramarathons is overuse. Itβs tempting to ramp up your mileage quickly to get race-ready, but doing so too quickly can cause your body to break down. Your muscles, joints, and tendons need time to adapt to the stress.
How to Apply:
- Increase Mileage Slowly: Donβt increase your weekly mileage by more than 10% per week. Sudden increases in training volume can overwhelm your muscles and joints, leading to overuse injuries.
- Long Runs: Keep your long runs within a reasonable range. If you’re preparing for a 100-mile race, don’t run the full distance in training. A long run of 30-50 miles is often sufficient for long-distance preparation.
Key Takeaway: Slow and steady wins the race. Your body needs time to build strength, so avoid rushing the process!
2. Cross-Training & Strength Training ποΈββοΈ
Ultrarunners often focus heavily on running, but adding cross-training and strength training can improve overall fitness and reduce the risk of injury. Cross-training activities like cycling, swimming, or even hiking will build endurance without placing additional strain on your legs. Strength training helps build a balanced body, reducing muscle imbalances that can lead to injuries.
How to Apply:
- Strength Training: Include exercises that target hip flexors, glutes, quads, and calves, as these muscles are heavily used during ultrarunning. Exercises like lunges, squats, and deadlifts are great for building strength in these key muscle groups.
- Core Work: A strong core is essential for good posture and alignment, which will help prevent injuries in your legs and lower back. Incorporate exercises like planks, Russian twists, and leg raises.
- Cross-Training: Aim to incorporate cycling or swimming into your routine to give your legs a break while still maintaining cardiovascular fitness.
Key Takeaway: A well-rounded fitness program will help improve your running form and performance while preventing overuse injuries.
3. Focus on Proper Running Form πββοΈ
Poor running form can lead to a variety of injuries. Whether itβs overstriding, foot pronation, or incorrect arm swing, bad habits can cause unnecessary stress on your joints and muscles. Ultramarathons require efficiency over long periods, and maintaining proper form will help prevent injuries.
How to Apply:
- Posture: Keep your posture upright and aligned, with your head over your shoulders and your shoulders relaxed. This will reduce strain on your neck, back, and hips.
- Foot Strike: Aim for a midfoot strike rather than a heavy heel strike. This will reduce the impact on your knees and shins.
- Cadence: Strive for a higher cadence (steps per minute) to avoid overstriding, which can lead to injuries like stress fractures. A cadence of around 170-180 steps per minute is ideal for most runners.
Key Takeaway: Practice good form, both during training and races, to reduce the risk of injury and improve efficiency.
4. Proper Footwear and Foot Care π
The right shoes are crucial for any runner, but for ultramarathoners, theyβre even more important. Poor footwear can lead to blisters, plantar fasciitis, and other foot issues. Itβs essential to wear shoes that are properly fitted and suited to the terrain you’ll be running on.
How to Apply:
- Shoe Fit: Make sure your shoes have enough room for your toes to move comfortably, especially during long races where your feet swell. Your shoes should fit snugly around the heel and midfoot, but there should be a thumb’s width of space at the toe.
- Terrain-Specific Shoes: For trail running, choose shoes with good traction and stability. Shoes with cushioned soles are great for road running, while trail shoes with rock plates help protect your feet on rugged trails.
- Sock Choice: Avoid cotton socks, which can lead to blisters. Instead, opt for moisture-wicking synthetic or wool socks to keep your feet dry and comfortable.
Key Takeaway: The right shoes will make a big difference in preventing injuries like blisters, Achilles tendonitis, and plantar fasciitis.
5. Recovery Strategies: Rest & Rebuild π
Rest and recovery are just as important as your training. Your body needs time to repair and rebuild the muscles and tissues that are stressed during long runs. Skipping recovery can lead to overuse injuries like stress fractures, tendonitis, and IT band syndrome.
How to Apply:
- Active Recovery: On rest days, focus on low-impact activities like walking, swimming, or yoga to keep the blood flowing without stressing your body.
- Foam Rolling: Regularly foam roll your legs and muscles to prevent tightness and improve flexibility. Focus on your calves, hamstrings, and quads, as these areas are commonly tight for runners.
- Sleep: Aim for 7-9 hours of quality sleep per night to allow your muscles to recover. Sleep is when most of your bodyβs repair processes occur.
Key Takeaway: Recovery is not optionalβitβs a crucial part of Injury Prevention. Make sure to take rest days seriously!
Part 4: Rehabilitation β What to Do if You Get Injured π οΈ
Injuries can happen despite your best efforts, but knowing how to properly rehab can speed up your recovery and help you return to running safely.
1. Rest & Ice for Immediate Relief βοΈ
The first step in managing an injury is giving your body time to rest and reduce inflammation. For injuries like stress fractures or Achilles tendonitis, apply the R.I.C.E. method (Rest, Ice, Compression, Elevation) to minimize swelling and aid recovery.
- Rest: Take a break from running and other high-impact activities.
- Ice: Apply an ice pack to the injured area for 15-20 minutes every few hours during the first 48 hours after the injury.
- Compression: Use an elastic bandage or compression sleeve to reduce swelling.
- Elevation: Elevate the injured area to reduce swelling, especially for foot and ankle injuries.
2. Physical Therapy for Muscle Rehabilitation πͺ
Once the inflammation has gone down, physical therapy is a great option for regaining strength and mobility. A physical therapist can create a customized rehab plan based on the injury, helping you safely return to running.
3. Gradual Return to Running πββοΈ
Donβt rush back into your training! After an injury, gradually increase your mileage and intensity, starting with short, easy runs. Listen to your bodyβif you feel any discomfort or pain, stop and rest.
4. Cross-Training During Recovery πββοΈπ΄ββοΈ
If you’re recovering from an injury, stay active with low-impact exercises like cycling, swimming, or strength training. These activities will maintain your cardiovascular fitness and muscle strength without stressing the injured area.
Conclusion: Stay Injury-Free and Keep Running Strong π
Injuries are a part of any athlete’s journey, but with the right approach to prevention and rehabilitation, you can minimize the risks and keep running strong. Focus on gradual training progression, strengthening your muscles, rest and recovery, and proper footwear to stay injury-free in the long run.
Remember: an injury-free ultramarathon journey starts long before race day, so prioritize prevention and recovery from the start. With these strategies in place, you can tackle your next ultramarathon with confidence, knowing youβve done everything you can to protect your body.
Frequently Asked Questions (FAQ) β
What are the most common injuries in ultramarathons? πββοΈ
Ultramarathoners face a variety of injuries due to the extreme physical demands of long-distance running. Some of the most common injuries include:
- Stress Fractures β Tiny cracks in bones, often in the feet or shins.
- Plantar Fasciitis β Heel pain caused by inflammation of the tissue along the bottom of the foot.
- IT Band Syndrome β Pain on the outer side of the knee due to tightness in the iliotibial band.
- Achilles Tendonitis β Pain and swelling in the Achilles tendon from overuse.
- Runnerβs Knee β Pain around the kneecap due to improper tracking of the patella.
How can I prevent injuries during my ultramarathon training? π‘οΈ
Injury prevention is key to a successful ultramarathon journey. Here are some tips to avoid injuries:
- Gradual Training Progression β Increase mileage by no more than 10% each week to avoid overuse injuries.
- Cross-Training β Include other low-impact activities like swimming or cycling to reduce the strain on your legs.
- Strength Training β Strengthen your hips, calves, and core to improve running efficiency and reduce injury risks.
- Proper Footwear β Invest in shoes that provide proper cushioning and support for your foot type.
- Rest & Recovery β Incorporate rest days and active recovery, such as stretching or yoga, into your training routine.
What should I do if I injure myself during training or a race? π
If you get injured during training or a race, it’s crucial to take the proper steps for recovery. Hereβs what you should do:
- Rest & Ice β Apply the R.I.C.E. method (Rest, Ice, Compression, Elevation) to reduce swelling and inflammation.
- Seek Medical Attention β For serious injuries, such as stress fractures or severe tendonitis, consult a healthcare professional.
- Physical Therapy β If needed, physical therapy can help rehabilitate the injury and strengthen the affected area.
- Gradual Return to Running β Once healed, return to running gradually, starting with short, easy runs and slowly increasing the intensity.
How do I know when I need rest during training? π
Rest is crucial to allow your body to recover and rebuild. Here are signs that you may need to rest:
- Persistent aches or pains that donβt go away with normal stretching or foam rolling.
- Unexplained fatigue or difficulty completing workouts that you could do easily before.
- Decreased performance or increased risk of injury.
- Feelings of mental burnout or lack of motivation to train.
If you experience any of these signs, itβs essential to take a break, recover, and give your body time to repair itself.
Can stretching help prevent injuries? π§ββοΈ
Yes, stretching is a critical part of injury prevention. Regular **dynamic stretching** before runs can improve flexibility and blood flow to your muscles, reducing the risk of injury. After runs, **static stretching** helps to maintain flexibility and relax the muscles. Pay special attention to your calves, hamstrings, quads, and IT band, as these areas are highly stressed during long runs.
How can I treat plantar fasciitis if it develops? π£
Plantar fasciitis can be debilitating, but itβs treatable with proper care:
- Rest β Limit weight-bearing activities to allow the tissue to heal.
- Stretching β Stretch the calves and the bottom of your feet regularly. Try a towel stretch before bed to help alleviate morning pain.
- Footwear β Use shoes with adequate arch support and cushioning. Consider orthotic insoles for additional support.
- Ice and Massage β Apply ice to the affected area and use a tennis ball or foam roller to massage the bottom of your feet.
Test Your Knowledge: Preventing Running Injuries in Ultramarathons! π§ β
Think you know how to prevent injuries in ultramarathons? Take this quiz to find out how well you understand the best injury prevention strategies for ultrarunners!
Further Reading π
If you’re interested in learning more about preventing injuries and improving your ultramarathon performance, check out these additional resources:
- How to Prevent Running Injuries – Runner’s World
- Injury Prevention Strategies for Runners – i-Run4Life
- A Guide to Preventing Running Injuries – The New York Times
- Injury Prevention for Ultramarathon Training – TrainingPeaks
- Injury Prevention Tips for Ultramarathoners – UltraRunning Magazine
These resources provide valuable insights into injury prevention, recovery, and training strategies that can help you avoid common running injuries and perform at your best during ultramarathons. Happy reading!

About the Author
Lost Pace is an ultramarathon runner, shoe-tester and the founder of umit.net. Based year-round in TΓΌrkiyeβs rugged KaΓ§kar Mountains, he has logged 10,000 + km of technical trail running and completed multiple 50 Kβ100 K ultras.
Blending mountain grit with data, Lost analyses power (CP 300 W), HRV and nutrition to craft evidence-backed training plans. He has co-written 260 + long-form guides on footwear science, recovery and endurance nutrition, and is a regular beta-tester of AI-driven coaching tools.
When he isnβt chasing PRs or testing midsoles, youβll find him sharing peer-reviewed research in plain English to help runners train smarter, stay healthier and finish stronger.
Ultrarunner Β· Data geek Β· Vegan athlete