Review Dynafit Ultra DNA Ultra Trail Shoes: Fierce, Raw, Responsive, and Totally Pro – By Bonus

An ultra-distance trail shoe: fierce, raw, snappy—truly built for athletes.

After testing them during a 50 km training run at Khao Krajom—'I had to train at an ultra-distance to really talk about them'—these shoes are lightweight and highly agile! The midsole features Speed+ foam; it’s firm, not squishy, very responsive, and provides rebound without wasting energy. They handle flat, uphill, and downhill sections quite well (I even clocked sub-4-minute pacing on some downhill sections—I'm crazy!).

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The shoes offer quite high stability. You can feel the snug fit on the instep, and the wide base allows for full foot contact, which makes controlling your stride rhythm quite effective and gives you a sense of security.

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The outsole is full-plate Vibram Litebase with 3.5 mm lugs, which aren't considered very deep. The grip naturally won't match pairs with 4 mm lugs or higher, but based on my experience, I personally had no issues with the traction; they performed well on almost every surface (except for very steep, loose, dry sandy terrain, where I experienced a bit of sliding, but not to the point of falling). The advantage of this lug pattern is that you get more fluidity, though I think it requires a bit of experience and skill in downhill running to really enjoy this pair.

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What I really like!! Is the double quick lace system; it’s very convenient! You can tighten or loosen it in a flash. It really meets my needs—for example, during a race, if there’s a brutal downhill section and you want a tighter fit, you can adjust it in just a few seconds without worrying about losing time.

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Point of concern: Because they are designed to keep water out, they likely keep water in as well. I don't think they're suitable for races with a lot of water crossings // but on the day I tested them, it rained, and after running through the rain for a while, the shoes got wet, but they also drained well after some time. So, I don't think it would be a major issue in a race; it's manageable.

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Who is this not for? It’s not for people looking for a shoe focused on support and softness. Personally, I don't think this model is soft. If you want a soft feel, you might want to try another model, like the Dynafit Ultra 100, which offers great support and protection.

Who is this for? The character of this shoe is quite clear: it’s made for performance ultra-trail runners who want to maintain speed during a race, looking for a fierce feel, a smooth rolling stride, and energy return, while simultaneously offering comfort, great protection, and stability.

I tested them on a 50 km run in one go, and both my feet were perfectly fine afterward with no issues at all. I will definitely be wearing these for future races! : )

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If you are still unsure whether Dynafit shoes are right for you, go try them out first. Currently, there is a campaign called #DynafitDaresYouToTry where you can borrow them to test, train, or race seriously. Contact Runnercart or Dynafit Thailand. If you like them, the feel is right, and you feel they click with your running style, then go for it!

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