The most efficient carbon plate trainers don’t come reasonable, so when Decathlon introduced the unique Kiprun KD900X—a carbon racing shoe for £130—I used to be excited. On the other hand, the Kiprun KD900X used to be a company shoe that lacked the texture and function of most sensible super-shoes, and whilst nonetheless a quick and sturdy choice for coaching, it didn’t actually rival the likes of the Nike Vaporfly.
Decathlon has come again more potent with the Kiprun KD900X LD. It’s costlier than the KD900X, however nonetheless quite reasonable, and gives a better degree of efficiency due to the up to date midsole foam. If you wish to have the most efficient racer then there are sooner footwear to be had, however the Kiprun KD900X LD is a superb choice for the ones on the cheap.
Kiprun KD900X LD: Worth And Availability
The Kiprun KD900X LD introduced in April 2024 and is to be had from Decathlon. It prices £159.99 in the United Kingdom and €180 within the EU, but it surely’s no longer bought in the United States. It’s £30 costlier than the Kiprun KD900X, the primary carbon plate shoe from Decathlon, however considerably inexpensive than maximum carbon super-shoes, which typically price a minimum of $250/£220.
How I Examined This Shoe
I’ve run simply over 30 miles within the Kiprun KD900X LD, the use of it for a mixture of coaching runs together with a trying out observe consultation and a development run completing at my objective marathon tempo. I’ve additionally examined the Kiprun KD900X (despite the fact that it used to be stolen earlier than I may just entire my trying out for a complete overview) and nearly the entire highest carbon plate trainers to be had from main manufacturers.
Design And Are compatible
The primary exchange to the Kiprun KD900X LD when put next with the KD900X is in midsole foam. It’s modified from VFOAM to VFOAM PLUS, and whilst each are Peba-based fabrics, the PLUS is softer, lighter and bouncier.
Decathlon has halved the drop of the shoe to 4mm, with a 36.8mm stack top on the heel and 32.8mm on the forefoot. This implies there’s extra foam underneath the forefoot, which may also build up the relaxation of the journey when put next with the company really feel of the Kiprun KD900X.
In spite of the additional foam, the burden has long gone down. The Kiprun KD900X LD weighs 8.1oz/230g in a UK measurement 9/EU 44. That’s so much lighter than my overview pattern of the Kiprun KD900X, which used to be 8.8oz/249g in a reasonably smaller measurement, an EU 43.5.
Just like the KD900X, the KD900X LD got here up lengthy for me, and I’d suggest going a minimum of a part measurement down to your customary operating shoe measurement. There’s an excessive amount of room within the toe field, and despite the fact that I didn’t revel in any slipping on the heel, I did in finding the plastic strip at the higher that incorporates the lace eyelets lower into the highest of my proper foot slightly under the ankle.
This used to be specifically unhealthy on my first and longest run within the shoe, which used to be round 13 miles. On my runs since I haven’t had the issue to the similar extent, so confidently it’s one thing that is going away when the shoe breaks in a little, but it surely’s a priority should you’re making plans to make use of the shoe for a marathon.
Except this, the breathable open-knit mesh higher used to be wonderful and held my foot securely when operating rapid. It’s a light-weight subject matter and has minimum padding across the collar and tongue, as you’d be expecting from a racing shoe.
A midsole cut-out at the backside of the shoe shows the carbon plate. There may be uncovered foam in the course of the ground of the shoe, however two patches of rubber on the heel and a bigger phase at the forefoot quilt the principle have an effect on spaces. The Kiprun KD900X used to be constructed to closing 1,000km and whilst the softer midsole may cut back the lifespan of the Kiprun KD900X LD, I nonetheless be expecting it to be a long lasting shoe.
Operating Efficiency
The Kiprun KD900X LD is particularly softer and bouncier than the KD900X, and feels extra in step with different super-shoes. It’s no longer as springy as footwear just like the Nike Alphafly 3 or Hoka Cielo X1, however VFOAM PLUS is an attractive bouncy subject matter and it’s much more relaxed than VFOAM.
That’s specifically noticeable underneath the forefoot, the place there’s extra foam. You get a springier toe-off in consequence, and I had no discomfort underneath the forefoot on my longest run within the KD900X LD.
I did a observe consultation within the shoe operating 4 miles at 5min 40sec/mile, my objective marathon tempo, adopted through 12 reps of 400m alternating 72sec and 77sec consistent with rep. The Kiprun KD900X LD used to be relaxed when cruising alongside at marathon tempo and sprightly sufficient for the shorter reps.
It has a flatter journey than many super-shoes owing to the low drop, and it’s no longer a extremely rockered shoe. I spotted the day after the consultation that my legs had been extra crushed up than same old the day after coaching in a super-shoe. The Kiprun KD900X LD additionally places a little extra pressure to your calf muscle groups than higher-drop racing footwear, which might impact heel-strikers like myself greater than forefoot-strikers.
The journey is much less propulsive and feels much less rapid than the most efficient super-shoes, and the KD900X LD suffered compared to the very bouncy and rockered Hoka Cielo X1, which I used to be the use of on the similar time. On the other hand, the Kiprun shoe has slightly a herbal really feel, and I used to be relaxed the use of it for simple paces in addition to rapid ones, which isn’t true of a few super-shoes that really feel worryingly wobbly and unnatural at gradual speeds.
Is The Kiprun KD900X LD Value It?
In case you’re prepared to spend large cash to your racer, the Kiprun KD900X LD isn’t the most effective carbon plate trainers. My standout selections in this day and age are the Asics Metaspeed Sky Paris, Nike Alphafly 3, Nike Vaporfly 3 and Hoka Cielo X1.
On the other hand, it’s considerably inexpensive, and there’s no shoe to be had for a listing worth of £160 I’d relatively race in—if I may just get the have compatibility proper to steer clear of any unwelcome friction with the plastic strip at the higher. Even the most efficient super-trainers just like the Saucony Endorphin Pace 4 or Adidas Boston 12, which can be nearer in worth, don’t fit the velocity of the Kiprun KD900X LD.
The most important festival to the Kiprun KD900X LD for many who are on the lookout for a inexpensive racing choice comes from the reductions to be had on older carbon footwear. The likes of the Asics Metaspeed Sky+, Adidas Adizero Adios Professional 3 and Saucony Endorphin Professional 3 are frequently to be had in gross sales, and if you’ll be able to get them or different older carbon footwear for round £160, they’re more potent racing choices.
I used to be inspired through the Kiprun KD900X LD, regardless that, and it’s no longer a ways off the usual of the ones footwear. It’s now a racing choice at a lower cost that’s price bearing in mind, while the unique KD900X used to be extra of a long lasting coaching choice than a real racer.



