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The New Balance MT1210 is a versatile trail running and ultra marathon shoe designed for a mild overpronated foot motion.


Important Shipping Note: U.S. sales only.


When you need a shoe to carry you through the long miles, the New Balance 1210 will be up for the task. Inspired by the legendary Leadville Trail 100, this shoe features everything you need for a long trail run: plenty of underfoot cushioning, a roomy and comfortable upper, and a small touch of pronation support to combat those collapsing arches. Lace up the New Balance 1210 for your next ultramarathon.

Model Number:

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Weight: 10.2 oz (size 9)

Stack Height: Heel (30mm), Forefoot (21mm)

Available Widths: D=Medium, 2E=Wide

How It Fits (based on width D) 

  • Sizing: Fits large; purchase 1/2 size smaller than standard running shoe size
  • Heel: Medium to wide
  • Mid-foot: Medium to high volume
  • Forefoot: Medium
  • Toe-Box Height: Medium
  • Arch Structure: Medium
  • Shoe Shape: Semi-Curved

 Assembly: Imported


  • N2 Cushioning system consists of responsive, durable cushioning that sits lower to the ground than traditional cushioning systems.
  • RevLite is an innovative foam compound that provides lightweight, responsive cushioning.  


  • Sticky Rubber on the outsole gives optimal grip in wet conditions.
  • Lugged Vibram Outsole is made from a tough, durable compound that gives exceptional grip on trails. 
  • Rock Stop positioned between the outsole and midsole is a flexible layer that protects feet from rocks and disperses shock.


  • Synthetic Mesh throughout the upper provides lightweight and breathable coverage.
  • Medial Post consists of higher density foam in the midfoot that works to correct over pronation.
  • Traditional Sockliner provides additional underfoot cushioning.
  • Ultra Last with the upper stitched to full length fabric, offering increased durability and a comfortable underfoot feel.


  • UL-1 is an ultra running specific last with a narrow heel, standard forefoot, and standard toe-box height.

Footwear Performance Characteristics

Pronation Control: What's This?

  • Neutral
    • Min
    • Mod
  • Support
    • Min
    • Mod
    • Max
  • Motion Control
    • Mod
    • Max

Heel-Toe Offset (mm): What's This?

  • 0
  • 1-2
  • 3-4
  • 5-6
  • 7-8
  • 9-10
  • 11+

Stack Height:

  • Barefoot
  • Minimal
  • Low
  • Medium
  • High
  • Maximal


  • Road
  • Road-Trail
  • Hard Trail
  • Varied Trail
  • Soft Trail

Shoe Type:

  • Premium
  • Standard
  • Performance
  • Racing

Customer Reviews

Comments: Pretty decent shoe overall for the cushioning - They dont drain water well, and it takes a good while for the feet to dry out. Its a small thing, but I hate the laces. They seem to come undone about every 10-15 miles or so. I find myself having to triple knot them.
From: Tim, Clarksville, TN, USA. September 23rd 2014

Comments:For being associated with the LT100, this shoe ironically is one of the worst trail shoes for draining water and drying out when wet. If it's dry, it is fairly light for the amount of protection. The shoe fits huge in the heal, making it move quite a bit laterally so blisters are a potential problem for this long haul shoe.
From: Joel, Boulder, CO, USA. July 31st 2014

Comments: I am 5'11-190 lbs., neutral runner. These shoes are extremely light and do have a larger toe box, as advertised. The claim "from door-to-trail" is funny, the tread pattern isn't anything special-I have road shoes better suited for the trail, i.e. Ghost 6, Enigma 2, and even Vomero 8s. The attached tongue on the upper isn't like your normal running shoe-different. These shoes definitely stay cool on the feet, and because of the big toe box your feet will definitely feel great.
From: David, Orlando, FL. 2/6/14

Comments: I bought these in search of a more stable trail shoe after running in Montrail Mountain Masochists for 2 years. When I first got these shoes, I thought I'd made a mistake in ordering my normal size. On a few very technical training runs, I had a shoe slip off. But I knew the reasoning so I stuck with them. Almost a year later, I've now logged a 50k, two 50 milers, and a 100 miler in my Leadvilles. That's the most I've been able to get out of any trail shoe. And they still look and feel like brand new. I'll definitely buy another pair and can't wait to see what updates look like.
From: Brian, Shreveport, LA

Comments: I have had these shoes for over a month and ran in them twice a week over that time. My initial impression is that they will not serve me for long distance. The shoes feel good on runs of 4-6 miles, but after that distance they start to hurt my feet. I ran once at 13.1 and another at 14+ and after each time my feet hurt, and they have never hurt in this way in my normal running shoes. I ran 2 miles on pavement and it was worse. Initially, the outside and then the arches the further I run. I purchased smaller shoes as recommended, but my heel still slips unless I tie the laces uncomfortably tight. You can forget putting inserts inside because the heel slippage only gets worse. I do not understand why the heel slippage is so bad. I do not have this problem with other shoes. The performance in muddy conditions is not as good as I expected but better than road shoes. I am not entirely unhappy with they shoe, since I can run 4-6 miles in them comfortably.
From: Dempsy, Belhaven, NC, USA

Comments: Male, 5'10", 185 lbs, 'normal arches', 50 miles per week. I currently have ~250 miles on my first pair of New Balance MT1210s and can now form my official opinion. This shoe has become my go-to shoe for trail running. The traction is good and versatile (lugs are not overly aggressive which I like), cushion is plush without being squishy, and the fit of the shoe is superb. I have run a 50 mile trail ulta in these shoes and had no issues with my feet. The shoes fit true to size (I wouldn't size down, you need room up front). The shoes have held up well for the first ~250 miles, the only sign of distress is on the inner cuff near the ankle on one of the shoes. I have tried many trail shoes over the past year (Brooks Cascadia, Altra Lone Peak 1.0, Montrail Badwater, Scott eRide Grip2, Mizuno Wave Ascend 8, and on and on) and these have come out the winner. Strongly recommended.
From: Cody, Columbia, MO, USA

Comments: I purchased a 1/2 size down from my usual 9 and the fit is great. As described, the shoe is high volume, which works great for me as I have a high instep. The width is good, but the heel is a little on the loose side, though I haven't had any major problems with this. The phantom fit upper really form-fits to certain parts of your feet which is nice. The upper is light and sheds dirt quite well. It also handles moisture quite well. I have gone almost knee deep in much and come out with dry feet. The toe cap provides adequate protection from stubbed toes, though it still hurts if you smash it hard. Cushioning is great, and the pronation control is barely noticeable. I barely notice the rocks under my feet, even on very rocky trails, and the shoe has a ton of cushion. I like to take these on long runs where I know my feet will take a beating, and I feel much better the next day because of it. I just wish the drop was a tiny bit lower, as I find that it doesn't quite match with the minimalism of the upper. Something around 6mm would probably be perfect as the I find it harder to avoid a little heel drag on these when I get tired. The Vibram sole is stiff but traction is great. No falls on these, even on wet Canadian shield. I am probably about 40-50 miles in and looking forward to more time on the trails in these.
From: Tom, Ottawa, Ontario and Philadelphia, PA

Comments: I normally run about 30-50 miles per week with a mix of roads and trails. I purchased a full size smaller than my Saucony Guide 6 as per the shoe fitter but they seemed too small so I ordered a 1/2 size small instead and they fit much better (Normally wear 9.5 an ended up in size 9). You have to remember they are supposed to feel a bit loose in the toe box with the higher volume by design. I trail tested them with 9 miles through ups and down and lots of mud and they felt pretty good for the first time out. They are much lighter than my salomon crossmax guidance cs and feel pretty responsive even with the additional heal cushioning for longer distances. Heel did feel a bit loose initially but once I started running I didn't have any slippage. So far so good!
From: Kevin, Cortland, NY, USA

Comments: I was so hoping to like these shoes but in the end, they will be relegated to walking the dog shoes. I've done about 100 miles in these shoes and they hurt my feet. They are good up to about 10 miles and then the outsides of my feet from the midfoot back to the heel start hurting real bad. I've tried adjusting the laces every which way...tighter, looser, elastic laces, etc... but no go. I ordered my regular size and they are roomy in the toe box, maybe just a bit too roomy but thats not where the problem is at. I guess I'm going back to Brooks shoes.
From: Todd, Lexington, KY

Comments: Hey gang, I wanted to wait a while before posting my thoughts. First off, I run about 50-70 miles a week. I don't have a and live near some nice parks. :) Anyhow, I have run some pretty severe terrain in these shoes, and I think they have become my favorite. I ran a 50miler last weekend and it was the first 50 I ran without changing my shoes or having any foot pain during or after the run. I also think that the sizing is true. I ordered my normal size. Initially the toe box seems roomy, thats because it is! It is designed for foot swelling etc. The nice fit of the heel and midfoot keep your foot secure etc. I have been looking for a 100 mile shoe and I think this is it. The tread pattern is good enough, not as aggressive as my Speed Cross 3, but aggressive enough for long distance, this would be a benefit too for any road sections in an Ultra. I will purchase more of these shoes, just get some blue ones too! The shoe also seems to drain well, I had wet feet for 49.3 miles last Saturday and there really wasnt too much squishing down there. I really don't have anything bad to say.
From: Gregory, Pittsburgh, PA, USA

Comments: I wanted to love these shoes so much. They have a nice, roomy toe box, a well-fitting midfoot and nice plush cushioning for long miles. For me, though, the heel is way too big (read roomy). Even sizing down half a size and lacing them down as tightly as possible my heel would slip 1/4" just while walking, and even more when running. If they had a narrower heel then I think they'd be the perfect shoes (for me) for ultras. I'm coming from the Salomon S-LAB XT 4, which has a pretty snug heel, so maybe I just have a narrow heel. I just sent my size 9.5 back (I've always been a 10 in all my former and current shoes: New Balance, Pearl Izumi, Salomon and Mizuno).
From: Luke, Seattle, WA

Comments: These are the best NB trail shoes I've run in yet and I've been running trail with NB for 15 years. Light, great fit, comfortable with good cushioning, yet stable. I run dry and wet, with steep hills. Great shoe.
From: Gary, Poway, CA, USA

Comments: Good fit. Soft heel counter, i have a low volume, lower arched foot and I did follow the advice of sizing down a size and I'm glad I did. Initially, these shoes reminded me of a lighter version of some of the earlier models of the Cascadia's but as they have broken in, they have proven to be much more. I was impressed with the balance of cushion and moderate stability without feeling like the performance on trail was being compromised. Light enough to race in, durable enough after about 80 miles to train daily in. Good shoe.
From: MB, Bend, OR

Comments: These shoes have been great as a door-to-trail shoe. My only issue with them so far is that they don't seem to handle mud well for me (traction or shedding). Other than that I couldn't be happier with the construction, fit and overall ride on every other surface I've tried.
From: Luke, Winston-Salem, NC

Comments: I've put about 30 miles on the shoes so far, so these are initial impressions. For a trail shoe they are pretty light and well cushioned. I didn't need to adjust anything for the sizing from what I normally wear in running shoes. I've been wearing Cascadias and these are a little higher volume in the toe box, not huge, but bigger. The trails I've been running on have been lightly covered in snow and traction is good. At this point I'd say they're keepers.
From: Tony, Champaign, IL