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40Race Shoe FinderEst. 2023 · London

Head to head

adidas Adizero Adios Pro Evo 2vs
HOKA Cielo X1 2.0

Adizero Adios Pro Evo 2

approx £296

Estimated street price · £450 RRP

39mm — road legal
Cielo X1 2.0

£150

Typical street price · £250 RRP

■ 46mm — over limit

Choose the Adizero Adios Pro Evo 2 if…

  • Your race is run under World Athletics rules — this one is legal at 39mm and the Cielo X1 2.0 is not.
  • You want the bigger return: 3.8–5% economy gain against 2.8–4%, and that gap widens the longer you are out there.
  • You want the lighter shoe: 138g against 230g, a 92g difference you will feel late in a race.
  • You race off a strong, repeatable stride and want the more aggressive ride rather than the safer one.
  • You have a narrow foot and want to be locked in.
  • You are racing Half marathon — built for it, where the Cielo X1 2.0 is not.

Choose the Cielo X1 2.0 if…

  • You want more shoe underneath you late on: 46mm against 39mm, which is protection over a long race rather than speed over a short one.
  • You want something more forgiving. This is the steadier platform — useful if your form goes late, or if you are on your feet longer.
  • You want a conventional fit rather than a narrow or wide last.
  • Money matters: it is selling around £150 against £296, and the time difference between them is smaller than the price difference suggests.
  • You want more races out of one pair: about 350km of competitive life against 120km.
  • You are racing Ultra / 50K+ — built for it, where the Adizero Adios Pro Evo 2 is not.

What does this
mean for you?

Every figure below is recalculated from your race and your current time. The gap between two shoes is not fixed — it grows with how long you are on your feet.

Over marathon from 3:45:00

Time back
Adizero Adios Pro Evo 2: 206s–286sCielo X1 2.0: 138s–219s
Cost per second saved
Adizero Adios Pro Evo 2: £0.63Cielo X1 2.0: £0.15

Ranges, not promises. Both figures are against a standard trainer, and the honest answer for most runners is that the difference between two shoes of this class is smaller than the difference a month of decent training makes.

Every number.

010203040503936
Adizero Adios Pro Evo 2
010203040504639
Cielo X1 2.0

What you pay

Street price
Adizero Adios Pro Evo 2~£296
Cielo X1 2.0£150■

A tilde marks an estimate: no shop we read is currently listing that shoe, so the figure is RRP less the discount comparable shoes are actually selling at.

RRP
Adizero Adios Pro Evo 2£450
Cielo X1 2.0£250

List price. Almost nobody pays it for a race shoe.

Cost per race
Adizero Adios Pro Evo 2£156
Cielo X1 2.0£27■

Street price divided by the races the foam stays fast for.

Cost per second saved
Adizero Adios Pro Evo 2£0.63
Cielo X1 2.0£0.15■

The whole-life question: what each second of race time costs you.

What it does

Estimated saving
Adizero Adios Pro Evo 2206s–286s■
Cielo X1 2.0138s–219s

Against a standard trainer, over the distance and time set above.

Economy gain
Adizero Adios Pro Evo 23.8–5%■
Cielo X1 2.02.8–4%
Built for
Adizero Adios Pro Evo 2Half · Marathon
Cielo X1 2.0Marathon · Ultra
Best use case
Adizero Adios Pro Evo 2The lightest marathon shoe ever sold and, on the evidence, the fastest. At 138g it is closer to a track spike than a road shoe.
Cielo X1 2.0Enormous, cushioned and surprisingly stable. For heavier runners and slower marathoners it may genuinely be the most comfortable way to cover 42km fast.

How it is built

Weight
Adizero Adios Pro Evo 2138 g■
Cielo X1 2.0230 g

Manufacturer figure at men's US 9.

Stack (heel)
Adizero Adios Pro Evo 239 mm
Cielo X1 2.046 mm
Stack (forefoot)
Adizero Adios Pro Evo 236 mm
Cielo X1 2.039 mm
Drop
Adizero Adios Pro Evo 23 mm
Cielo X1 2.07 mm
Foam
Adizero Adios Pro Evo 2Lightstrike Pro
Cielo X1 2.0PEBA
Plate
Adizero Adios Pro Evo 2carbon fibre
Cielo X1 2.0carbon fibre

Rules and fit

Road legal
Adizero Adios Pro Evo 2Yes (39 mm)■
Cielo X1 2.0No (46 mm)

World Athletics caps road racing shoes at 40 mm of stack.

Fit
Adizero Adios Pro Evo 2narrow
Cielo X1 2.0standard
Stability
Adizero Adios Pro Evo 2demanding
Cielo X1 2.0stable

Neither is better in the abstract — it depends on your stride.

Race life
Adizero Adios Pro Evo 2~120 km
Cielo X1 2.0~350 km■

How long the foam stays fast, not how long the shoe survives.

Data confidence
Adizero Adios Pro Evo 2verified
Cielo X1 2.0verified

■ marks the better figure where one is genuinely better. Fit, foam, drop and stability carry no mark — they depend on your foot and your stride, not on which shoe is superior.

In your size.

Where to buy

No retailer we can read publishes a live price for this shoe, so we cannot check your size. The links below go to each retailer’s own search, where they show the current price and what they hold.

9 retailer checks failed on the last run, so their prices are missing rather than wrong.

Prices are captured when the site is built and stamped with the time of that check. We never rank a retailer by what it pays us; where a link earns a commission it is marked sponsored and the price you pay is unchanged.

Where to buy

Your UK size

Best price today — some sizes£150at Armaghsports — £100 under RRP

9 retailer checks failed on the last run, so their prices are missing rather than wrong.

Prices are captured when the site is built and stamped with the time of that check. We never rank a retailer by what it pays us; where a link earns a commission it is marked sponsored and the price you pay is unchanged.