On

Cloudultra 3

On Cloudultra 3

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Overall

#98 in

Trail Running Shoes

according to Reddit Icon Reddit

Sentiment score50% positive
5
4
1
Last updated: Aug 5, 2026

Reddit Reviews

Reddit IconInsideOven2922
8 months ago

I switched from the lone peaks for probably 6-8 years after a bout of planter fasciitis. Pt recommended On clouds. I have been in the could ultra 2 and 3 with no issues. I also tore my Achilles while on Team Altra but never correlated the two.

Reddit Iconljf19
5 months ago

Seven weeks in to my first Ultra training block and all has been going well. Heavier runner at 90kg and currently running in On cloudultra 3’s which have been great, but after stepping up effort on some of my longer runs I’ve found a bit of achilles trouble creep in. Not sure if this shoe geometry / foam related or just a case of starting to hit the hills a bit harder for longer. I have stuck to the no more than 10% increase on mileage rule, with every 4th week a deload. Elevation has increased significantly more than that though on a weekly basis. Decided to have a week off running and just hit the bike for a few steady sessions in hopes the achilles troubles passes. Any advice would be appreciated, thanks in advance

5 months ago

Thanks, I should have said that I have been working with a running specific physio to work on my weakness. Been doing a running strength work out 3x per week which includes calf raises but I had concerns that might of been causing too much fatigue with not enough rest before runs. This being compounded with increased running frequency of 5x per week I didn’t know if a change in shoe might be able to give some relief

5 months ago

Thank you for this, I will edit the original post now with the info you suggested. I have been following a Runna plan, which is based on best efforts as an opposed to actual running experience. For background. I have been running around 10 months, but only consistently 4/5 times a week since the start of December. Started a Runna plan 7 weeeks ago for a 50km race at end of May, but was treating that as more of a training event for a 100km event im doing at the start of July. Background is combat sports (10 years) so my cardio is fairly strong - I think this has tripped me up (and the Runna app) at thinking I can do more than I can as my heart rate / pace date is ok for my weight and Inexperience. Injury history is a few knee ligament injuries but nothing thats impacted my running. Saw a running specialist when I first signed up to these races to do a strength and gate analysis, highlightd my glutes and core were strong and mobility good, calf strength was lacking. I do one hilly long a week, sometimes supplemented by a hill related session if I can get to hills earlier in the week. I have a 8 mile/1750ft - 12 mile/2000ft and a 16 mile/3500ft loops I use. This pain was caused by the 12 mile loop but hitting it at more of a race pace (if you can call it that) Basically I think me fitness is good it physical conditioning for running is lacking

Reddit Iconmartletts
5 months ago

My Cloudultra 3 are brilliant, serving me well for comfortable trail runs when I'm not in Norda. Was wondering why CU 1 & 2 hadn't been on my radar!

Reddit Iconspaceship540
5 months ago

Have the 3 and the Pro. The 3’s are decent but absolutely love the Pros. Personally no issues with durability, they’re about in line with other similar models.

Reddit IconTaymc45
7 months ago

Trail: Hoka Speedgoat 5, Brooks Catamounts, Altra Lonepeak 7, On Cloudultra 3, On Cloudultra Pro Road: Altra Torin 7, Altra Fwd Experience, New Balance Rebel v5 Sitting at around 1,800 miles for the year, favorite shoe this year has been the Cloudultra 3 which (at 250+ miles on them) still feel great to run in. Only reason they rank over the pros is because they are cheaper and feel more like an everyday kinda trail shoe that can compete with the trail supershoes on the market. The Pros are my race shoe and pretty much only get worn for that purpose.

9 months ago

I’ve been loving the On Cloudultras I moved initially from the speedgoats to the Brooks Catamounts though.

Reddit Iconthatonegangster
8 months ago

I have been going through some serious shoe testing because I've been struggling with some odd calf tightness after 5 years in Lone Peaks, several long utras, and lots of trail and road miles. I have enjoyed so far: * North Face Altamesa 300: specifically made with a wider-toe last than their other shoes. The toe box volume is also roomy enough that my toes aren't slamming the upper. heel: 31 mm, stack: 6 mm * On Cloudultra 3: not specifically different, but when I put them on the roominess in the toe box was adequate without feeling floppy. heel: 32.5 mm, stack: 6 mm * Norda 002: these feel like the Lone Peaks when I put them on. They can feel kind of floppy/slappy if you aren't used to that, but given your experience with LPs you'd likely like them. I know you said that you can't find them locally, but size-wise I did have to go a whole 1.5 sizes above my usual size (up to 9.5 from an 8). Helpful details: * longest second toe (Morton's toe) * relatively wide space between my big toe and second toe such that the width at the ball is the same as the width at the widest part of my toes * arch is on the higher side * I supinate moderately (underpronate)

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