ASICS Magic Speed 4
Road Speed Training

ASICS Magic Speed 4

Matt frames the Magic Speed 4 as the firmer, snappier, more racing-leaning sibling to the Endorphin Speed 4 — better for short-to-moderate fast efforts but less suited to long runs. — Doctors of Running

Physical blueprint

Where this shoe sits

Weight 241 g
Heel stack 44.0 mm
Drop 8.0 mm
Cushioning High

Best for

Tempo & SpeedDaily Training
Suits Forefoot, Midfoot strikers
Surface Road

Specifications

Weight (M9)
241g (8.5 oz)
Stack (Heel)
44.0 mm
Stack (Forefoot)
36.0 mm
Drop
8.0 mm
Midsole
FF Blast Turbo (PEBA-based) forefoot drop-in layer over FF Blast Plus (EVA-based) full-length core
Plate
Carbon (full-length carbon plate)
Outsole
ASICSGRIP rubber, full-length coverage
Upper
Engineered mesh
Lacing
Traditional

Fit Profile

Length
True To Size
Forefoot Width
Narrow
Midfoot Width
Average
Heel Width
Average
Lockdown
Good
Toe Box
Average

Ride Characteristics

Cushioning
High
Stability
Neutral

Expert reviews · 2 reviewers · grouped per channel

DO
Doctors of Running Youtube

Matt frames the Magic Speed 4 as the firmer, snappier, more racing-leaning sibling to the Endorphin Speed 4 — better for short-to-moderate fast efforts but less suited to long runs.

Best for: Shorter, faster workouts and 10K-to-half-marathon racing; works for marathon training when you want a snappier tempo shoe.

40 miles tested · source
+1 earlier review from Doctors of Running

Matt frames the Magic Speed 4 as a much more trainer-friendly evolution of the Magic Speed 3 — more versatile and roomier but less aggressive at top-end paces.

Best for: Plated performance trainer for tempo, half-marathon training/racing, and even some easy runs once broken in.

K
Kofuzi Youtube

Kofuzi calls it the best Magic Speed ASICS has made and the training companion he has been waiting for, but notes the tempo-shoe market is crowded and the Deviate Nitro 2 still edges it for him at $10 less.

Best for: Tempo and threshold workouts, mile repeats, half- and full-marathon training blocks; suits Metaspeed Sky-leaning runners and bigger/taller runners who want extra firmness across paces.

Frequently asked questions

How does the ASICS Magic Speed 4 fit?

Reviewers note: Snug, more racing-esque fit with a touch more vertical volume than the Endorphin Speed 4; stiff but padded heel counter.

Per Doctors of Running.

How much does the ASICS Magic Speed 4 weigh and what is its drop?

The ASICS Magic Speed 4 weighs about 241g (men's 9), has a 44.0mm heel stack and a 8.0mm heel-toe drop.

What shoes is the ASICS Magic Speed 4 compared to?

Reviewers compare the ASICS Magic Speed 4 to Saucony Endorphin Speed 4, Puma Deviate Nitro 2, ASICS Metaspeed Sky+, ASICS Superblast.

Per Doctors of Running, Kofuzi.

How many experts have reviewed the ASICS Magic Speed 4?

Next Pair aggregates 3 expert reviews of the ASICS Magic Speed 4, including Doctors of Running, Kofuzi.

Per Doctors of Running, Kofuzi.

Where it sits among similar shoes

Compared to other road speed training in the same lane.

Weight · lower = lighter Men's size 9
ASICS Magic Speed 4
241g
ASICS Megablast
221g
Adidas Adizero Evo SL
235g
Kiprun Kipstorm Tempo
224g
Heel stack · higher = more cushioning mm
ASICS Magic Speed 4
44.0mm
ASICS Megablast
45.0mm
Adidas Adizero Evo SL
37.0mm
Kiprun Kipstorm Tempo
43.0mm
Drop · higher = more heel-leaning mm
ASICS Magic Speed 4
8.0mm
ASICS Megablast
8.0mm
Adidas Adizero Evo SL
7.0mm
Kiprun Kipstorm Tempo
8.0mm

ASICS Magic Speed 4

Data-driven recommendation backed by expert reviews.

Ask the advisor
Methodology. Specs come from manufacturer data and authoritative third-party catalogs. Reviewer verdicts are summarized from named, linked sources — never copied verbatim. We weight clinical and lab-tested sources more heavily than community commentary, but the specific weights stay internal. Never sponsored, never paid placement.
Last updated 2026-06-19