cloudmonster

On Cloudmonster Review After 500 Miles: Does It Hold Up?

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Anyone can write a shoe review after one easy run. The real question is how a shoe feels after you’ve actually beaten it up. So I put 500 miles on the On Cloudmonster — easy days, long runs, the occasional tempo, road and light path — and here’s the honest long-term verdict.

Disclosure: Some links are affiliate links. As a partner of the brands mentioned, I may earn a commission from qualifying purchases at no extra cost to you. I bought this pair with my own money.

For the full brand context, see our complete On running shoes guide.

First impressions (miles 0–50)

Out of the box, the Cloudmonster delivers exactly what the hype promises: a big, soft, bouncy ride with personality. The oversized CloudTec pods and Helion midsole make easy runs genuinely fun. Fit was, as expected, slightly narrow and a touch long — I’d recommend trying before buying, and sizing up half a size if you have wider feet.

Early niggle: the ride felt a little firm/awkward for the first 20–30 miles before the foam broke in and softened.

The sweet spot (miles 50–300)

This is where the Cloudmonster shines. Broken-in, the cushioning is plush without being mushy, and it’s protective enough for long efforts while still feeling springy on easy days. It became my default easy-day and recovery shoe.

What it’s not: a fast shoe. For tempo and intervals I reached for something lighter — the rotation logic I lay out in best On shoes for marathon training. As a cushioned daily trainer, though, it’s excellent.

The long haul (miles 300–500)

By 300 miles, most shoes start telling you they’re tired. The Cloudmonster held up better than I expected:

  • Midsole: Still cushioned, with a modest loss of bounce — normal foam compression.
  • Outsole: Visible wear on the high-pressure pods (heel and forefoot), but no blowouts.
  • Upper: Held up well, no major tears; minor creasing.
  • Ride: Around 450 miles I started feeling more road feedback — the cushioning’s protective edge had faded.

At 500 miles, they’re retired to walking/gym duty. That’s a solid lifespan for a daily trainer — in line with the 500–800 km most On trainers last.

Pros and cons after 500 miles

Pros
– Fun, plush, protective ride — perfect for easy and long days
– Durable for a max-cushion trainer (full 500 miles)
– Great build quality, holds its looks

Cons
– Heavy; not for speed work
– Narrow/long fit won’t suit everyone
– Premium price
– Needed a 20–30 mile break-in

Who should buy the Cloudmonster?

Buy it if you want a cushioned, fun daily trainer for easy miles and long runs and don’t mind the weight or price. If you’re cross-shopping On’s other popular daily, read Cloudmonster vs Cloudsurfer first.

Worth the money? After 500 miles — yes, for the right runner. → Check current Cloudmonster pricing

And remember: the best shoe is the one that keeps you consistent. Build the aerobic base in zone 2 and the shoe just along for the ride.

How many miles have you put on your Cloudmonsters? Drop your experience in the comments.

On Cloudmonster Review After 500 Miles: Does It Hold Up? Read More »

On Cloudmonster vs Cloudsurfer: Which Should You Buy in 2026?

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These are On’s two most popular daily trainers, and they’re the pair most runners agonize over. Both are cushioned, both are great — but they ride very differently. After running in both, here’s the honest breakdown to help you pick.

Disclosure: Some links are affiliate links. As a partner of the brands mentioned, I may earn a commission from qualifying purchases at no extra cost to you.

New to the brand? Start with our complete On running shoes guide for the full lineup.

Quick verdict

  • Buy the Cloudmonster if you want maximum cushion, a bouncy and fun ride, and a shoe with personality for easy and daily miles.
  • Buy the Cloudsurfer if you want a smoother, more rolling, versatile daily trainer that feels modern and natural.

If you mostly run easy and love a soft, energetic ride → Cloudmonster. If you want one do-it-all shoe that flows from easy to moderate paces → Cloudsurfer.

Head-to-head comparison

Spec Cloudmonster Cloudsurfer
Ride Bouncy, plush, fun Smooth, rolling, natural
Cushion Maximum (big CloudTec) Soft (CloudTec Phase)
Tech Helion + Speedboard CloudTec Phase (sequential collapse)
Weight Heavier Slightly lighter
Best for Easy days, max-cushion lovers Versatile daily, smooth riders
Pace range Easy to moderate Easy to moderate-fast

The ride: where they really differ

The Cloudmonster is all about that big, soft, bouncy sensation. The oversized CloudTec pods and chunky Helion midsole give it a playful, protective feel — it’s the shoe that makes easy days feel cushy and fun. The trade-off is weight and a slightly less “connected” feel at faster paces.

The Cloudsurfer was redesigned around CloudTec Phase, where the pods collapse front-to-back in sequence. The result is a smooth, rolling ride that feels more natural and versatile. It transitions better and handles a wider range of paces, but it doesn’t have the Cloudmonster’s plush “wow” factor on easy days.

Which fits your training?

  • High-mileage easy runner / heavier runner: Cloudmonster — the extra cushion protects tired legs (pair with good injury-prevention habits).
  • One-shoe runner who mixes paces: Cloudsurfer — more versatile across easy and moderate efforts.
  • Marathon trainer: either works for easy days, but see best On shoes for marathon training for the full rotation.

Fit and sizing (both)

Both run slightly narrow and a touch long — typical for On. Many runners size up half a size, especially with wider feet. Try them on if you can.

Durability and value

Both should give you 500+ miles of training with normal use. Want proof of how the Cloudmonster holds up long term? I logged it all in my Cloudmonster review after 500 miles.

Bottom line

You won’t be unhappy with either. Pick the Cloudmonster for a fun, max-cushion easy-day shoe, or the Cloudsurfer for a smooth, versatile one-shoe daily trainer.

→ Check the Cloudmonster · Check the Cloudsurfer

Which one did you go with? Let me know in the comments.

On Cloudmonster vs Cloudsurfer: Which Should You Buy in 2026? Read More »

Best On Running Shoes for Marathon Training in 2026

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Marathon training is brutal on shoes and feet. You need the right tool for each job: a plush trainer that survives 20-milers, something a bit faster for tempo work, and a race-day shoe that gives you free speed. On’s lineup covers all three — if you pick correctly. Here’s how to build a marathon rotation with On running shoes in 2026.

Disclosure: Some links are affiliate links. As a partner of the brands mentioned, I may earn a commission from qualifying purchases at no extra cost to you. I only recommend shoes I’d run in.

This is part of our complete On running shoes guide — start there if you want the full lineup explained.

The three shoes a marathon block needs

A smart rotation isn’t about one magic shoe — it’s about matching the shoe to the session. For a typical marathon build:

  1. Long-run / easy-day shoe — max cushion, durable, comfortable for 2–3 hours.
  2. Workout / tempo shoe — lighter and more responsive for goal-pace work.
  3. Race-day shoe — carbon-plated, fast, saved for races and key sessions.

Rotating shoes also spreads load across different muscles and reduces injury risk — a habit I cover in injury prevention for runners.

Best On shoe for long runs: Cloudeclipse

For the bread-and-butter of marathon training — long, slow miles — the Cloudeclipse is On’s best option. Its tall double-Helion midsole soaks up impact when your legs are tired at mile 18, and the build holds up to heavy weekly mileage. Pair it with smart long-run strategies and your legs will thank you.

The Cloudmonster is a great alternative if you prefer a bouncier, more fun ride and don’t need the absolute maximum stack.

→ Check the Cloudeclipse and Cloudmonster

Best On shoe for tempo and workouts: Cloudflow

When the session calls for goal-pace miles, strides, or tempo work, the lighter, lower Cloudflow is the pick. It’s responsive without being a full racer, so you can train fast without burning through your race shoes.

Best On shoe for race day: Cloudboom Strike

On race morning, the Cloudboom Strike is On’s carbon-plated marathon weapon: light racing foam, a stiff Speedboard for propulsion, and aggressive geometry to roll you forward. Save it for races and a handful of key workouts — carbon racers don’t last forever. If you want to understand the tech, see our explainer on carbon-plate race shoes.

A sample On marathon rotation

Run type Shoe Notes
Long runs Cloudeclipse Max cushion, durability
Easy days Cloudmonster Fun, protective
Tempo/intervals Cloudflow Light, responsive
Race day Cloudboom Strike Carbon, fast
Bad-weather indoor any trainer + treadmill Keep the plan on track

How many miles do On shoes last?

Most On trainers last 500–800 km (300–500 miles) depending on your weight, surface, and gait. Racers like the Cloudboom have shorter lives. Rotating two trainers extends the life of both. I track exactly how one model held up in my Cloudmonster review after 500 miles.

Bottom line

For most marathoners, the strongest On rotation is Cloudeclipse (long) + Cloudflow (tempo) + Cloudboom Strike (race), with a Cloudmonster as a fun easy-day option. Still deciding between the two most popular daily trainers? Read Cloudmonster vs Cloudsurfer.

What’s in your marathon shoe rotation? Share it in the comments.

Best On Running Shoes for Marathon Training in 2026 Read More »

On Running Shoes Guide 2026: Every Model Explained (Cloud, Cloudmonster, Cloudsurfer & More)

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If you’ve seen those distinctive “cloud” pods on the sole and wondered whether On running shoes are worth the hype — short answer: for the right runner, yes. The Swiss brand went from a niche curiosity to one of the fastest-growing names in running, and in 2026 the lineup is more capable (and more confusing) than ever.

This guide explains every On running shoe model, what each one is actually for, and how to pick the right pair — whether you want a cushioned daily trainer, a marathon racer, or an everyday cloud to walk around in. I’ve put miles on several of these, so this is a runner’s take, not a spec-sheet dump.

Disclosure: Some links below are affiliate links. As a partner of the brands mentioned, I may earn a commission from qualifying purchases at no extra cost to you. I only recommend shoes I’d actually run in.

What makes On running shoes different

On’s whole identity is built on CloudTec — those hollow rubber pods on the outsole that compress on impact and lock up for toe-off. The idea is “soft landing, firm push.” Combined with Helion superfoam in the midsole and a Speedboard (a flexible plate that stores and returns energy), the better models deliver a responsive, propulsive ride.

Things to know before buying:
– Fit runs slightly narrow and long. Many runners size up half a size. If you have wide feet, try before you commit.
– Early On models trapped pebbles in the pods — modern ones largely fixed this, but trail versions still vary.
– They’re premium-priced. You’re paying for design and ride; whether it’s worth it depends on the model.

If you want the deepest-cushion comparison in the brand, I went long-term on one model in my On Cloudmonster review after 500 miles.

How to choose: match the model to your run

If you want… Best On model Why
Max cushion daily trainer Cloudmonster Biggest CloudTec, plush + fun ride
Smooth premium daily Cloudsurfer Redesigned CloudTec Phase, soft and rolling
Lightweight tempo/uptempo Cloudflow Fast, low-profile, responsive
Urban/road all-rounder Cloudswift Cushioned road shoe for hard surfaces
Long-run comfort Cloudeclipse Double Helion, max stack for easy miles
Race day (carbon) Cloudboom Strike Carbon plate, racing foam
Everyday lifestyle Cloud 6 / Cloud 5 The icon — more lifestyle than performance

Not sure where to start? For most runners wanting one versatile, fun daily trainer, the Cloudmonster or Cloudsurfer are the two to weigh — and I compare them head-to-head in Cloudmonster vs Cloudsurfer.

The lineup, model by model

Cloudmonster — the cushioned, fun daily trainer

The Cloudmonster is On’s big-cushion crowd-pleaser. Oversized CloudTec pods and a generous Helion midsole give a soft, bouncy, almost playful ride that’s great for easy and moderate daily mileage. It’s the model that made a lot of people “get” On.

  • Best for: Daily training, easy runs, runners who want max cushion with personality.
  • Watch out: Heavier than On’s race models; not a speed shoe.

Cloudsurfer — the smooth, modern daily

The redesigned Cloudsurfer introduced CloudTec Phase, where the pods collapse in sequence for a smooth rolling sensation. It’s softer and more forgiving than older On models and has become a favorite versatile daily trainer.

  • Best for: Smooth daily miles, runners who found older On shoes too firm.
  • Watch out: Less “pop” than plated shoes for fast work.

Cloudflow — the lightweight workhorse

Lighter and lower to the ground, the Cloudflow is On’s do-a-bit-of-everything shoe that leans uptempo. Good for tempo runs, strides, and runners who like ground feel. I reviewed an earlier Cloud model in my On Cloud Cloudflow review.

  • Best for: Tempo, faster daily runs, lighter runners.
  • Watch out: Less cushion for very long runs.

Cloudswift — the road/urban specialist

Built for pounding hard city surfaces, the Cloudswift is a cushioned road shoe with a sleek, commuter-friendly look. A solid choice if most of your running is on concrete and asphalt.

  • Best for: City/road running, urban runners.
  • Watch out: Not built for trails or speed work.

Cloudeclipse — the max-cushion long-run shoe

With a tall double-Helion midsole, the Cloudeclipse is On’s plush long-run and recovery option. If your knees ask for mercy on big mileage weeks, this is the one — pairs well with smart injury-prevention habits.

  • Best for: Long runs, recovery days, heavier runners.
  • Watch out: Heavier, less responsive for speed.

Cloudboom Strike — the carbon racer

On’s marathon racing weapon: carbon Speedboard, light racing foam, aggressive geometry. This is for race day and key workouts, not everyday training — more in my breakdown of carbon-plated race shoes.

  • Best for: Racing, marathon goal-pace work.
  • Watch out: Premium price, limited durability like all racers.

Cloud 6 / Cloud 5 — the lifestyle icon

The original “Cloud” is more lifestyle than serious training shoe these days — light, comfortable, and stylish for walking, travel, and short easy efforts. Great everyday shoe, not your marathon trainer.

Are On running shoes worth it?

For daily training and everyday wear, yes — models like the Cloudmonster and Cloudsurfer deliver a genuinely enjoyable ride and excellent build quality. For pure speed value, brands like Hoka, Nike, and Saucony sometimes offer more shoe per dollar; I keep a soft spot for the Hoka Carbon X3 for long efforts.

Buy On if you value ride feel, design, and durability and don’t mind paying for it. Browse the current On running lineup to check prices and availability.

Whichever you pick, remember the shoe is only part of the equation — consistent easy mileage (ideally in zone 2) and strength work matter far more than the logo on your feet.

Frequently asked questions

What is the best On running shoe for everyday running?
The Cloudmonster (max cushion, fun ride) and Cloudsurfer (smooth, versatile) are the best On daily trainers for most runners in 2026. The Cloudeclipse is best for long runs and recovery.

Do On running shoes run small?
Slightly. On shoes tend to fit narrow and a touch long. Many runners size up half a size, especially if they have wider feet.

Are On running shoes good for marathon training?
Yes — the Cloudeclipse and Cloudmonster handle long training miles, while the Cloudboom Strike is the carbon racer for race day. See our guide to the best On shoes for marathon training.

Why do On shoes have holes in the sole?
Those are CloudTec pods. They compress on landing for cushioning and firm up at toe-off for propulsion, which is the core of On’s ride feel.

Are On running shoes worth the price?
For daily training and everyday wear, most runners find the ride and durability worth it. For pure speed-per-dollar, competitors can offer more, so it depends on what you value.

Run in On? Tell me your favorite model and how many miles you’ve got on them in the comments.

On Running Shoes Guide 2026: Every Model Explained (Cloud, Cloudmonster, Cloudsurfer & More) Read More »

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