The Best Socks for Long Distance Running, Marathons and Trail Races

New to running long distances? Wondering which socks to wear on your long runs? Whether you're training for a marathon or building toward your first ultra, your feet endure thousands of repetitive impacts. Sweat increases, friction builds and small irritations can quickly become race-ending problems. The best socks for long distance running should prevent blisters, manage moisture and promote total foot utilization.

This blog will cover what to look for in long distance running socks, how to prevent blisters and how to choose the right toesocks for marathons and trail races. Read on to find out more!

To find the best performance socks for long distance running, it helps to pay attention to what socks top ultrarunners wear. After all, these athletes are the ones putting in the mileage and testing out different gear options. Injinji’s roster of top trail and ultrarunners (Courtney Dauwalter, Tara Dower, Jeff Browning and Mike Wardian) swear by toesocks for their hundred-mile (sometimes thousand-mile plus) pursuits. Check out their gear recommendations here:

• Courtney Dauwalter’s Must-Have Running Socks and Gear 

• Tara Dower’s Must-Have Running Socks and Gear

• Mike Wardian’s Must-Have Running Socks and Gear

Above all, the best socks for long distance running should prevent blisters, manage moisture and support your whole foot. Whether you're training for a half marathon, marathon or ultramarathon, your socks should work as hard as you do.

Choosing the right sock for your long-distance run is essential to maintaining foot health, preventing blisters, managing moisture....and being able to do it again the next day. Choosing the wrong sock can derail an entire run and leave you limping to the finish line with blisters, hot spots and cramping toes. Seemingly small things like sock choice can make a huge difference over long miles.

Selecting the right running socks can help you level up your foot health as the mileage stacks up. While there are many performance running sock options on the market, Injinji toesocks take foot and toe protection a step further by wrapping each toe in performance fabric. It’s no wonder they are the number one sock worn on the start line of long distance ultra races, like Western States.

Injinji’s Innovative Toesock Design:

• Prevents Blisters: Because each toe is separated, Injinji toesocks eliminate skin-on-skin friction between toes, preventing rubbing, hotspot formation and nagging blisters.

• Manages Moisture: Injinji toesocks use performance fibers to reduce moisture build up between the toes (via individually wrapped toes) and on the footbed.

• Improves Total Foot Utilization and Promotes Natural Toe splay: By properly aligning your toes and allowing them to splay naturally, Injinji toesocks engage your entire foot and allow your big toe to push off the ground more naturally, helping to improve your balance when running over uneven ground.

Ultrarunner, Team Injinji Athlete and Doctor of Physical Therapy Parker Farabee writes “toesocks have been such a gamechanger for myself and for the clients I recommend them to. The biggest benefit is being able to utilize your toes individually, which is vital for balance and forward propulsion. Being able to isolate the big toe and pinky toe has been very helpful in the clinic for clients dealing with chronic foot pain during running and hiking.”

Discover what our Team Injinji Runners and Physical Therapists have to say about the benefits of running in Injinji toesocks versus regular socks.

Injinji offers running toesocks tailored to specific distances and terrains, like the Run, Trail and Ultra Run series. Different heights and cushioning levels are available to fit your preference and match your activity needs.

All Injinji toesocks are built with five-toe technology and performance fibers to help prevent blisters, manage moisture and promote natural toe splay. But not every long run places the same demands on your feet.

That’s why Injinji offers distinct series designed for different distances, terrain and levels of impact, from lightweight road racing to technical trail ultras. Whether you’re training for your first marathon or preparing for a 100-miler, choosing the right series ensures the right balance of cushioning, protection and breathability for your specific effort.

Below are our top picks for long distance runners:

• The Run Series (The Speedster): This breathable, versatile series is ideal for beginners, race day efforts and hot summer long runs.

  • Run Lightweight No-Show: This bestselling sock has a low-profile look and can be worn for short distances to longer efforts.

• The Trail Series (The Off-Road Option): These socks are made with midweight cushioning to soften your step on rocky terrain and a cuff to seal out dirt and debris.

  • Trail Midweight Crew: This is Courtney Dauwalter’s go-to sock for her biggest races.

• The Ultra Run Series (Marathon + Ultra Races): This line of socks is designed with maximum cushioning throughout the footbed and padded toes to absorb the impact over ultramarathons.

  • Ultra Run Mini-Crew: One of our Team Injinji Athlete favorites, this sock delivers added protection and comfort for your toes on ultra distances.

Injinji has been designing performance toesocks for nearly three decades. A variety of styles, cushion levels, heights and fits exist to give wearers the best possible experience for their unique foot. Additionally, Unisex and Women’s-specific fits exist to meet the anatomical needs of different feet.

For a quick overview of how to select toesocks for your training or racing needs consult this easy-to-visualize chart:

Maintenance: Making Your Injinji Toesocks Last

Proper care extends the life of your running toesocks. Follow these best practices to keep your Injinji toesocks in peak condition mile after mile.

• Washing Your Toesocks: To preserve the integrity of the performance fibers and elastic, wash your Injinji toesocks in cold water on a delicate cycle. Turn them inside out before washing to protect the outer fabric. Avoid fabric softeners and bleach, as these can break down the fibers. For best results, air dry your socks by laying flat or hanging them. Heat from the dryer can cause shrinkage and reduce elasticity over time.

• Toenail Care for Blister Prevention: Keep your toenails trimmed short and filed smooth to prevent them from catching on the individual toe sleeves or creating pressure points during long runs. Long nails can wear through the fabric or cause friction between toes.

Do they feel weird between your toes?

Toesocks take a little extra time to pull on and should be pulled snugly around the toes for maximum performance. Runners typically take 2-3 runs to get used to the feeling of toesocks. Once you feel the freedom to move your toes however you want, you won’t want to run without them ever again! 

Can I wear them with normal running shoes? 

Yes! Injinji running toesocks fit under all kinds of running shoes. Running shoes with a wider toebox are recommended as they allow your toes to splay naturally.

Do toesocks help prevent blisters during marathons?

Yes! Toesocks help prevent blisters during marathons by eliminating skin-on-skin friction between the toes, one of the most common causes of blisters during long runs. Many marathon and ultramarathon runners choose toesocks specifically for their anti-blister performance for 26.2 miles and beyond.

Why do pro runners wear toesocks?

Pro runners wear toesocks for multiple reasons! The top reasons are to prevent blisters and hot spots, manage moisture and promote total foot utilization while they are working out and even recovering.

How do toesocks improve foot health?

Toesocks improve foot health by allowing your feet and toes to move naturally. This engages your whole foot so your muscles aren’t cramped, helps avoid blisters and hotspots, and can even help with natural foot propulsion. Read what our Physical Therapists and Team Injinji ultrarunners have to say about toesocks.

Do toesocks help with bunions and foot alignment?

Because bunions can cause the big toe to push up against the others, it’s common for runners with bunions to experience blisters. The best running socks for those with bunions are toesocks. Injinji toesocks eliminate friction and wick sweat between the toes, helping to prevent blisters. Discover our top tips for running with bunions here.

Experienced runners know that foot care can be the difference between finishing strong and falling short. Explore Injinji running toesocks to find the right fit for your longest distances.