
Altra - Mont Blanc Carbon
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Last updated: Sep 24, 2025 Scoring
I've run a 100 in LPs before but I switched to Timps for longer stuff and haven't looked back. They're awesome shoes and I think they're a happy balance between the ground feel of the LPs and not being too mushy. At the time I switched, I was also grateful for Vibram soles (before the 9+ came out). I've also raced in the Mont Blanc Carbons but I found the upper was uncomfortable and had a lot of give. On the downhills my feet were definitely shifting forward despite using a runners knot. I don't have this problem with Timps and I also really like the Timp BOAs. They are super comfy and it's so nice to not have to worry about shoes coming untied and being able to easily tighten or loosen them. My only fear in a 100 is that something breaks and I'm not able to tighten a shoe and it's a long ways to a drop back with another pair.
r/ultrarunning • Shoe advice for 100 miler (Altra/Topo guy) ->Altra Mont Blanc Carbon
r/trailrunning • Anybody got any recommendations for trail running “super shoes?” ->I like the Altra Mont Blanc Carbon, which is a custom (more flexible) carbon plate and offers some protection, underrated benefit! The MB Carbons are fantastic for 50k to 100M.
r/trailrunning • Are plated trail shoes worth it for races or 100 miles? ->I just ran a 50 miler and if you are staying in that distance , I did them in the Altra Mont Blanc Carbon — expensive but totally worked out well and really enjoyed them …
r/Ultramarathon • Altra trail shoes ->I don’t really notice difference and jump between zero drop and some drop 4-6mm weekly. I will say the zero drop Altra Mont Blanc Carbon works extremely well for me. They just came out with a non carbon plate version for less money, I want to try. It fits great no sloppiness , their best responsive foams, light and stable. Feel incredibly confident in them bombing downhills and even technical terrain.
r/trailrunning • Does Zero Drop Really Make A Difference When Trail Running? ->Sleeper shoe that is super versatile is the Altra Mont Blanc Carbon … can do it all and it’s a much snugger fit then most altras and durable … I run east coast terrain and 100k ultras in them. They have a new Mont Blanc Speed without carbon that’s a bit softer but not as propulsive…
r/trailrunning • Versatile trail running shoes ->The new on cloud ultra for training and then the pro for races … that’s probably going to be real nice… Personally I train a lot on paved paths so I wear Puma MagMax these days to protect my legs … and for trails I love love the Altra Mont Blanc Carbon because they are agile and drain well. I have done many ultras in the Mont Blanc Carbon and never any issues , I think zero drop on trail shoes is not as of a big deal…
r/Ultramarathon • Running Shoe Help ->Currently trailing the Altra Mont Blanc having struggled to find a wide toe box shoe that works on the trails. I gotta say the vibram and zero drop gives incredible stability and grip over my Sauconys Xudos and the toe room is amazing but probably looking for more cushion for an ultra so going to try the Altra Olympus 6 once I get used to the zero drop. Like others have said it takes time and I am a month or so in rotating the Altras and still not 100% on the zero drop. Hope that helps.
r/Ultramarathon • Altra trail shoes ->Similar story having out used many pairs of the OG Xudos. I have been wearing Altra Mont Blanc Carbons but they really didn't cut it on my last mountain ultra and whilst I can tolerate zero drop I would prefer a drop. I have tried so many. I am currently waiting for the Altra Olympus with a matrix upper that come out next month and the new Xudos with vibram but I don't hold out much hope they will be any wider. Inov8 in wide is the widest shoe I have found but the foam just felt weird to me.
r/trailrunning • Looking for wide fit trail runners. OG Saucony Xodus Ultra lovers, what have you switched to? ->I've had Topos, Hokas and all different kinds of Altras. The Altra Lone Peaks were by far my favourite - glorious shoe. My form just felt so much smoother and they were roomy without being clown shoes. As for the other altras I had, the Monc Blanc's had awful heel slippage, horrendous collar on them, and the Olympus had too much cushion and so were bad for technical trails, though the Olympus was still decent. Word of warning, the zero-drop aspect does make a difference. I was fine for a good while but eventually ended up with achilles tendonitis so if you do get any adjustment niggles then be sure to do some prehab for that. If i were you I'd get a pair of Lone Peaks and just bring them into the rotation. Play it by ear and listen to your body. Good luck
r/Ultramarathon • Altra trail shoes ->Altra Mont Blanc They've had mixed reviews but I'm absolutely loving them after replacing the stock round laces with a flat set from an old pair of Lone Peaks. I've got just over 250 miles on a training pair and the tread is looking great compared to the brand new pair that I plan on running Black Canyon in in a couple of weeks. Both pairs were $99.99 on Amazon so they have been a great value.
r/trailrunning • What shoes are you rocking at the moment? ->I have run on Altras for 4 years. I don't understand the stories about zero drop being bad for your calves or exploding your Achilles. I would love a hater to explain with medical proof about these claims. I love the roomy toe box and feel it allows for better contact with the trail. I have had Olympus 4-6, and they are my long haul high milage 100k+ stomper shoe. For shorter runs, I use the Mt Blanc or Timp because they are more nimble and feel responsive. Watch out on the Olympus 5. They fall apart too fast, IMO but Altra has stood behind their warranty and gave me a credit for them and got a nee pair of Olympus 6. They are built sooooo much better and I have almost 400 miles on this set and they look like they will last a lot longer. I do not run on the road or gym in Altra, so 🤷 in that area.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->It seems to be model dependent, I always thought the Mont Blanc had a one ultra race and done feel about them. I also had the lone peak 5 which did 700 miles but the uppers got torn up as soon as I did a run on rocky instead of muddy route. The LP 7 have a much more robust upper.
r/ultrarunning • Signed up for 100k in the desert, need shoe advice ->Hey! Kinda unrelated to OP's question but I'm a recent altra enthusiast (move the 0 drop + wide feet combo) but to me durability seems low. I've got Torin 6 for daily road running and mont blancs for trail: -Torin 6 lost a part of the sole at 350km and now the mesh has a hole (460km), I'm considering retiring them but it seems like a low distance to retire a shoe at. - Mont blanc : I had a to use super glue to glue parts of the sole back after 80km Is it a me problem? Or are altras also known for low-rise durability + GL OP for your desert run 🫡
r/ultrarunning • Signed up for 100k in the desert, need shoe advice ->I did a very dusty half marathon a few years ago in my Altra mont blancs with gaiters. If you don't have hooks for them I find an elastic band does the job. I did a 50k with this set up.
r/ultrarunning • Signed up for 100k in the desert, need shoe advice ->I love my Altra Olympus 275 and the Altra Mont Blancs. The Olympus’s are heavier but great. The Mont Blanc are awesome.
r/trailrunning • favorite technical trail running shoe? ->I’ve run on peregrines quite a lot. I like them for short and speedier trail runs. That said I find myself setting up runs to be able to be in my xodus ultra 3s. I also run in Altra Mont Blancs, but if I could I’d always be in my xodus ultra 3s. They’re the shoes I’m lacing up for Leadville in a couple weeks.
r/trailrunning • Similar Shoe to Saucony Peregrine 15? ->I did the JMT last year in a pair of Altra Mont Blancs and I still run in them every day. I think they're the best pair of running shoes I've ever worn. The EGO Max foam they're using in the midsole is unbelievable. Incredibly comfortable with an extremely lively response.
r/hikinggear • Trail runner recommendations please! Mount Whitney ->I fully transitioned marathon training from hoka (4mm) to altra within 6 months, progressively increasing mileage with altras. In my case, zero drop shoes helped having a natural stride and removed some pains in the back and on the shoulders I could experience before. 7 years and counting, never got injured. No harm in trying for yourself and see what feels right as long as you proceed carefully.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->For at least a couple of year now, I've been using my zero drop Altras once a week, for a short to mid-distance easy run. Having a shoe rotation and switching it up is a great idea--including with the drop.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->It really varies person to person and there is the transition period from 4-12mm drop to 0mm drop. If you take the time to acclimate to 0 drop, you'll generally be find for most distances. This could mean starting with walks around the neighborhood or doing errands in 0 drops and progressively working them into your runs. That said, some individuals might not ever fully acclimate to 0 drops. I wore Altras exclusively for years and while I did 100 milers in them, my calves consistently felt a bit more sore compared to my friends who were in similar shape but ran in 4-8mm drop shoes. How my calves feel at mile 20 for example would be how they felt at mile 30. I still wear 0 drop shoes, but it would be nice to decouple wide toeboxes from drop, which is the space Topo is in.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->Having run in Hokas (which only have a 4 or 5mm drop, depending on the shoe) I got some Altras earlier in the year. I just switch between the two brands randomly at the moment, partly because I have a few pairs of Hokas to wear out, partly to gently encourage my Achilles to get used to the zero drop and minimal stack. I’m looking forward to the day I’ve worn through all my Hokas and can go Altra all the time, but in the meantime my Achilles are happier with me for changing slowly.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->I switched from an 8mm shoe to zero drop Altras for trail running and my Achilles have never been happier. But, I don’t do road running.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->I had the opposite experience re plantar fasciitis with zero drop shoes. Developed PF from tennis, and struggled through a year of stretching, squats, rest, insoles and Naprosyn. Switching to Altras fixed the issue almost immediately.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->This is so fascinating to me because I had the opposite experience. Developed PF from tennis, tried literally everything else and then gave zero drop a try as a last ditch effort. Issues resolved quickly and now I don’t even have to stretch or foam roll or anything.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->This is so fascinating to me because I had the opposite experience. Developed PF from tennis, tried literally everything else and then gave zero drop a try as a last ditch effort. Issues resolved quickly and now I don’t even have to stretch or foam roll or anything.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->Hey OP, hijacking this high-level comment in the hopes that people see this... Here are two excellent podcasts about the purpose and benefits of barefoot shoes by very credible professionals: [Irene Davis and Peter Attia](https://open.spotify.com/episode/5MQ4EQau0kFHN6nZDZDAxk?si=C9GZInbdR9G1jrDGtxzsRw) [Courtney Conley and Peter Attia](https://open.spotify.com/episode/5iVi3arAK9aUyCcFQqBFsL?si=gy8W6COZR6-_0Kxm4u4ifw) There are so many effectively uneducated people trying to speak in this topic, from bro-science YouTubers to people like your friend. Experience doesn't replace a proper science-based understanding of not only the biomechanics involved, but also the data on injury occurrence in practice. I only hike and run in Altras and Xeros. The fact that you need to train to wear them just demonstrates that all other shoes are coddling your feet and legs. In that sense, it is *non*-zero-drop shoes that are posing the injury risk, because it is *those* shoes that create the deficit of strength in the first place. Not the other way around.
r/trailrunning • I’ve been heavily advised against Zero Drop shoes, are they right? ->I love Altra's zero drop, I have two pairs. I also have Saucony Peregrine 13s though with a 4mm drop, that may work better for you.
r/trailrunning • Altra Lone Peak’s hurt my Achilles. ->Any chance I get, I'm barefoot. If I'm at home, I'm not wearing shoes, and I exercise shoeless in the house, too. I *cautiously* think this is why I made the switch to Altra zero-drop shoes without ever even knowing that it presents problems for so many people to do so. Might also be why I immediately felt more comfortable with Altras and will suffer no other shoe anymore.
r/trailrunning • Does Zero Drop Really Make A Difference When Trail Running? ->I have very weak ankles. My left one is rebuilt with titanium plates because I rolled it one too many times. I was very apprehensive about switching to trail runners, specifically zero drop Altra's. I went ahead and tried it and learned something interesting. The frequency of my ankle rolling went way down. I figure the raised heel of traditional shoes/boots were causing me to roll more than my ankles simply being weak. I feel more connected to the ground if that makes sense. Whereas if I put on an older pair of shoes with a drop, I feel wobbly again. I have been wearing altras as everyday wear for almost 3 years and have maybe rolled my ankles 3 times over that time frame. Your results may vary but I think its worth trying out a Zero drop shoe. It may help quite a bit.
r/Ultralight • Has anyone else with hypermobility made the switch to trail runners? ->I have been in zero drop shoes for about 10 years. Altras have always been the most comfortable for me, but they just don’t last very long. I’m 6’3” 215 pounds, so your results may be better. I’ve pretty much settle on Topos for their decent durability. Since you have narrow feet, you might look at something from Astral. The compound they use for their sole (G rubber) is amazing. Like walk over wet, moss covered rocks with zero shits given type of amazing. I have a wide, high volume forefoot so they just aren’t great for me overall. My Goldilocks would be Altra comfort/Topo quality and durability/Astral sole
r/hiking • Are Altra Lone Peak 9+ good for hiking in rocky terrain ->Lone peaks have zero drop, which means when you land on your foot you should be landing more towards the balls of your feet and with your feet below your center of mass. This is a more natural running form. If you’re heel striking in zero drop shoes, especially running up or down hill, it’s going to stretch out your tendons way past your norm. I run in zero drop Altras for trail and road.
r/trailrunning • Altra Lone Peak’s hurt my Achilles. ->Yes I use these. I just ran 15m of trails in them this am. I hesitate to give anyone shoe advice (everyone's feet are different) but I really like these. I tend to run more difficult and rooty trails. The only thing I don't like about these is that for very rooty trails the heel height really contributed to ankle rolls. I run about 190 pounds. My go to shoe for races and medium distance is the Nike air terra kiger. My system is the wild horse for long training runs, the kiger for races and most training days (they are lighter and lower heel, less padding), then I keep a pair of altra zero drop for an occasional form check. I'll run like a 5k in them to regain more nuanced feel in my form to check myself on making sure my stride length and strike points stay where I want.
r/trailrunning • Nike Wildhorse ->I walk and run in zero drop Altra shoes 100% and have for several years now. I spent more than a year transitioning by running in a mixture of Brooks, then Hoka, then Altras. My trail shoes were the last change I made and even though I'd been running all pavement miles for a while at that point on zero drop the change was very noticeable on trail running. Calf and Achilles soreness galore. I'd never switch back at this point, but take it very slow.
r/trailrunning • Hello! For trail running do you typically want a lower drop shoe? I worry about rolling my ankle sometimes. What is ideal drop for trail running? ->I have been told by my podiatrist that my feet are hypermobile and I run and hike (lots) in zero drop trail runners only (inov-8 and Altra). Never had boots for any of my adult-life serious long distance hiking. I agree that your PT should give you specific strengthening exercises for your particular issues but I see no advantage wearing boots … just heavy and hot and very slow drying. Every blue moon I roll an ankle but that’s because of tough terrain, not boots, and I’ve never injured my ankles in the process.
r/Ultralight • Has anyone else with hypermobility made the switch to trail runners? ->I've put over 2000 miles into a couple pairs of Altra runners. I have boots I use for more rugged adventures with lots of ankle rolling risks, but for 90% of trails, runners are too comfortable and light to not wear.
r/hiking • Can trail runners really be used for hiking ->I use Altra trail runners when traveling because they are light and comfortable and can double as normal shoes in a pinch, but for normal hiking close to home I stick to boots. Trail runners wear out too easy and are too expensive for the amount of hiking I do.
r/hiking • trail runners vs boots ->I do xero shoes for everything but backpacking. I've done trips in them for shorter times and have done okay but I'm also a fan of altras. JMT is longer so I wouldn't do xeros the whole time personally.
r/JMT • Shoes for the JMT for a minimalist, zero-drop shoe wearer ->Durability aside, try on both shoes. If you’re not thru-hiking then durability doesn’t matter much. Yeah, it’ll be annoying if they give out sooner than you expected, but the comfort can be worth the money. For me, Altras are the most comfortable by far. I wanted to switch to Topos due to the rave reviews and the vibram sole, but I had to immediately return them due to their pronounced arch support. My feet hated them and my altra trail runners and road shoes are the most comfortable shoes for my feet I’ve ever worn. I was late to the game so I’m sure I missed out on the glory days, but until another company comes out with a wide toe box and no arch support trail runner it’s altra all the way for me.
r/backpacking • What is the consensus of Altra trail runners? ->I’ve switched almost entirely to trail runners including on a lot,of rugged terrain. I did find that when I was using Hokas that I had an increased tendency to roll my ankle after about ten miles. I like the padding, but have found lower drop shoes to be better for this. Altras are good, but I destroy them in about 300 miles. Trying Topos right now. Not as padded, but low drop with a wide toe box and they seem to be holding up better.
r/WildernessBackpacking • Boots or Trail Runners for Wind River Range (4-Day / 3 Night Backpacking Trip)? ->Trail runner will be fine. I was talking to a guy recently that said the AT requires real boots. But even by his argument, trail runners will be fine. The thing with trail runners is when you are tired, it is easier to roll your ankle. I have only found this to be a concern when I was using Hoka. Altras and Topos have less to zero drop and they don’t have this occur for me. Though Altras kind of suck for durability (expect 300 miles unless they fixed things). And Topos have less padding and are not as comfortable.
r/WildernessBackpacking • Boots or Trail Runners for Wind River Range (4-Day / 3 Night Backpacking Trip)? ->I have generally given up on durability. I use Altra trail runners and yes they begin to fall apart after 200 miles. But that's what fits me and keeps me outside so it's just the cost of my sport. I could go with something more durable but I would likely pay more and be less satisfied. Also I put in a warranty claim regularly because these shoes often don't last a year at the rate I use them. I often get my money back in that case.
r/hiking • Hiking shoe advice ->Have you used trail runners for backpacking before? I like Altras because they have the widest toe box. But they are zero drop and that doesn't work for everybody. They work great for me but I know plenty of others have disliked them. A lot of people like Topos and Hokas as well. The point is that shoes are way too individual for anybody to successfully recommend one that will work for you.
r/backpacking • What is the best trail runners for backpacking? ->I did Paintbrush Divide last July, and this was my exact experience. I wore my Altra trail runners, and they held up well for most of my hike. There was a lot of rain on Day 1, and my shoes were so wet that I they were still damp when I started on Day 2. I continued up to Holly Lake and conditions were MUCH better for that hike...until about 8000', when I started to hit packed snow on the trail. My shoes thankfully dried out and were never a problem again. Our goal on Day 3 was to go up and over the Divide and continue back through Cascade Canyon, and most of our hike that day had crampons to deal with snow/ice on the trail. Unfortunately, we had to turn back just a few hundred yards from the summit because we didn't have ice tools and just didn't want to risk it. The ranger on the trail laughed at us and said basically, "That's what you get for coming in July. See you in mid-August next year."
r/GrandTetonNatlPark • Hiking sneakers or boots for Grand Teton National Park ->Topo is the correct answer. Go with Altras if you dont mind your achilles blowing up
r/hikinggear • Trail runner recommendations please! Mount Whitney ->Only time I use my Crispi boots is when I’m hunting and might have 100+lbs on my back packing out an animal. Anything else I use my Altra trail runners.
r/WildernessBackpacking • Trail Shoes VS Boots ->Everything you listed is a valid choice. People have different preferences. I have a few options depending on trail in the mood My default are Merrill Moab 3. I like how cool they keep me, they obviously excel in water (canyoneering, rafting, or just crossing), and I don’t usually feel the need for additional support/padding. I have even boot packed snow for six hours in them. I had wool socks on so plenty warm, even though my feet were soaked. I also have more traditional hiking boots. Columbia Newton Ridge mid WP for cold weather, if my ankles are sore, and just to mix up the pressure points on a multi day trip. Last, I have Altra trail runners. These are incredibly comfortable and I will use them if I’m on pavement, decomposed granite, or bare dry rock.
r/hiking • Footwear used in hiking (hiking boots vs trail running shoes) ->I strictly use trail runners. Like the Altras, though there are a lot of wide toe box shoes out there now. Gone through s lot of scree with them. I do go through them quickly.
r/backpacking • Trail runners for backpacking ->I haven’t worn hiking boots in many years now. I only hike in Altras trail runners (Olympus is my favorite). When I travel for hiking, all I bring is my Altras and a pair of xero sandals.
r/hiking • Can trail runners really be used for hiking ->Yes but a stiffer trail runner will be more comfortable on the rocks. La Sportiva, for example, is better for scrambling than an Altra. Both will work but for Dolomites would suggest something stiffer, with firmer lugs.
r/Ultralight • Dolomites - Trail Runners OK? ->Altra makes trail runners with a wide toe box. They’re my favorite right now. La sportive has been so so but durable in the past with narrower toe box than altra
r/Ultralight • advice wanted on trail runners for hiking ->My Altra trail runners are all I ever hike in. The slim and grippy sole makes them extremely safe in scree and rocky terrain.
r/backpacking • Trail runners for backpacking ->For overnight hiking trips I've switched to Altra trail runners and love them, used to use hiking boots and then hiking shoes but these are so much better. I usually am barefoot in a canoe, switch to a keen style sandal for portaging to protect my toes. I always bring crocs (from giant tiger) for camp shoes.
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