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40Race Shoe FinderEst. 2023 · London

ASICS Superblast 3

■ +5.5mm overstandard fit2025

£200

Typical street price · £200 RRP

0102030405045.537.5
Midsole to scale · mm · red dashes mark the 40mm road limit

Typical of 5 listings at 2 shops we read.

Weight
248 g (men's US 9)
Stack
45.5 mm heel / 37.5 mm fore
Drop
8 mm
Plate
none
Foam
FF Turbo+ over FF Blast+
Stability
stable and forgiving
Competitive life
~700 km
Built for
Half · Marathon · Ultra

Verdict

The best plateless shoe in the world and a cult favourite for good reason. Enormous stack, superb foam, and it will train and race happily for 700km.

■ Caution

At 45.5mm it is over the 40mm road limit despite having no plate at all. Not legal for Applicable Competitions.

Where to buy

Your UK size

Best price today — some sizes£199.90at Startfitness — £0.10 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.

Legality by event

Road racing
■ +5.5mm over
Track events
■ +25.5mm over
Field events
■ +25.5mm over
Cross country (spiked shoes)
■ +25.5mm over
Cross country (non-spiked)
■ +5.5mm over
Race walking
■ +5.5mm over
Mountain and trail
no limit

Limits bind World Athletics Applicable Competitions; most club and local races apply no shoe rule at all. What that means in practice.

Reading — what would the Superblast 3 save you?

Saving
−1:37 … −2:59
Projected
3:42:01
Per race
£18
~11.1 races in the foam
Per second
£0.13
whole-life basis

Economy gain 2.2–3.4% v. a traditional flat, adjusted for pace and your current shoes. Full method.

Manufacturer-stated specs unless marked estimated · last reviewed 2026-08-13 · prices are UK RRP; check the retailer for the live figure.

£200Street priceWhere to buy ↓