On Cloudgo First 5K Review: Lightweight, Firm, and Built to Make You Work

Published August 16, 2023 | by

When I first unboxed the On Cloudgo, I was encouraged to lace up and head out for a 5K. During that run, I noticed I had to put in noticeably more effort compared to what I’m used to in the PUMA Velocity NITRO 2, roughly about 30% more by feel. I finished the run feeling worked, with mild muscle fatigue that told me my body had been challenged in a different way.

Underfoot, the On Cloudgo feels very lightweight with a firmer midsole than many cushioned daily trainers. That firmness translates into a run that feels engaging rather than assisted, and while it demands more from my legs, the overall experience is still enjoyable. It’s the kind of shoe that makes you feel present in each stride instead of being carried along by soft foam.

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Running has been a constant in my life, and over time I’ve noticed how heavily cushioned shoes can reduce muscle engagement during training. When impact is heavily muted, certain muscles simply don’t work as hard, which can gradually weaken them if that’s all you run in. The On Cloudgo feels like the opposite of that approach, encouraging a more active running form.

I spent several months testing the Velocity NITRO 2 before rotating in the On Cloudgo. While the Velocity isn’t the lightest or most breathable shoe out there, it makes running a fast, comfortable 5K feel effortless. For the past few months, it’s been my go-to shoe, especially when I want to enjoy the run rather than think about it.

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If I had to choose between the On Cloudgo and the Velocity NITRO 2 for a run, I’d still reach for the Velocity. The softness of the NITRO foam gives me an energy boost without leaving my legs feeling beaten up, which makes it easier for me to push the pace. It simply enhances the running experience when speed and efficiency matter.

On the other hand, when my goal is to train, strengthen my muscles, and feel like I’ve truly worked, I prefer the On Cloudgo. After running in it, I feel more physically engaged the next day, almost like I’ve activated muscles that softer shoes tend to spare. I also sweat more in it, which reinforces that sense of a more demanding workout.

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With softer shoes, I often have to consciously run faster to get the same level of training stimulus. The Cloudgo doesn’t require that adjustment. It naturally asks more of me at a moderate pace. That makes it a useful tool in my rotation rather than a replacement for cushioned trainers.

Build quality is another strong point. The Cloudgo is very lightweight but feels well made, using materials that come across as durable and long-lasting. My experience with the On Cloud Terry, which I wore for months for walking and casual running without visible wear, gives me confidence in On’s durability standards.

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Comfort extends beyond running. I find the Cloudgo comfortable even without socks, and the removable insole is noticeably thicker than those in many of my other running shoes. The built-in arch support reinforces its identity as a daily trainer rather than a minimalist option.

I also tested the Cloudgo in the gym, including a boxing session, and it performed better than expected. Jumping rope, moving laterally, and working the mitts all felt stable and comfortable, though I would personally prefer a bit more rigidity and less flexibility for that type of training. For walking and standing, it’s excellent. I’ve worn it for long hours without experiencing muscle fatigue, which adds to its versatility.

On Cloudgo: A Next-Level Running Shoe

The Cloudgo feels like a clear step forward for On, and I noticed that improvement almost immediately on my first few runs. This model introduces updated technology that makes the shoe feel more refined and capable than earlier On trainers. From my perspective, it supports the idea that the brand is moving in the right direction, especially in terms of ride quality and overall performance.

Underfoot, the combination of CloudTec and the TPU Speedboard delivers noticeably better cushioning and impact absorption than older models. The midsole feels softer without turning mushy, and the energy return sits right in the middle, enough to keep my stride efficient without feeling overly assisted. After runs, my legs feel less beaten up, which helps me recover faster and feel ready for the next session.

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I tested the Cloudgo on a gravel path and was pleasantly surprised that it didn’t trap stones in the outsole. That’s been an issue with some On models in the past, so this felt like a real improvement. Traction also seems better overall, though I still want to see how it performs on wet pavement before fully trusting it in rainy conditions.

The 11 mm heel-to-toe drop works well for this shoe’s design and naturally encourages a heel-first landing. I also appreciate the forefoot rocker, which creates a smooth rolling motion and helps guide my foot toward an efficient toe-off. The transitions feel controlled and predictable, especially at steady paces.

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Cloudgo is a neutral running shoe, but it offers enough inherent stability to keep my foot tracking correctly. I have slightly flat feet from past soccer injuries, and despite that, I’ve been able to run in the Cloudgo without any knee or back discomfort afterward. That balance between neutrality and support is something I value.

I generally prefer stable neutral shoes because they’re more versatile than full stability models. They give me freedom of movement, feel lighter on foot, and adapt better across different types of runs. That said, I do pay closer attention to my form during the final mile, when fatigue can lead to overpronation if I’m not careful.

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The upper is another strong point. It’s extremely breathable and roomy enough to accommodate wider feet, with a toe box that doesn’t feel restrictive. The tongue and lacing system are comfortable and effective, though I’d personally prefer a slightly thinner tongue. The heel feels well supported thanks to the rearfoot structure, which helps keep everything stable.

Material-wise, the engineered polyester mesh upper is made up of roughly 85–90% recycled materials, which is a nice bonus. The interior lining is comfortable, though not quite as plush as the Cloud Terry. I’m still undecided about running sockless in this model. It feels possible, but I need more time in it before fully committing to that choice.

Final Thoughts

The On Cloudgo feels like one of On’s most refined running shoes to date, especially in terms of fit and underfoot technology. The cushioned midsole, roomy toe box, and smooth forefoot rocker come together to create a comfortable, efficient ride, and the improved outsole design has done a good job of avoiding trapped pebbles in my runs. Because of that balance of comfort and engagement, it’s become one of my go-to options for daily walk-run activities.

That said, it’s not the shoe I’d choose for competition. Compared to other models in my rotation, it demands more effort to maintain pace, which makes it better suited for training than race day. For building strength, logging miles, and staying consistent, the Cloudgo works well for me, even if it isn’t the fastest option I own.

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About the Author

Lemy is a retired competitive athlete and former soccer sweeper who built his career doing the unglamorous work of chasing the fastest forwards and quietly covering a marathon-level distance every match. These days, he leads a crew of ex-athletes who review running shoes and soccer cleats with the kind of scrutiny usually reserved only for a coach after a missed penalty.

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