Saucony Womens Endorphin Speed 4 - Fast, Cushioned Road Shoe

In this review of the Saucony Womens Endorphin Speed 4 the bottom line is clear: this is a fast, daily road shoe built for runners who want responsive cushioning and a lively ride. The biggest reason to buy is the pair of complementary midsole technologies that deliver both snapback energy and effortless forward motion, making it useful for tempo runs, long training days, or race pace sessions. The reviewer found it especially suited to runners who prioritize lightweight cushioning and rebound while accepting a somewhat narrow fit for a secure feel.

Key Features

• SPEEDROLL technology: provides an effortless forward motion that helps maintain pace with less perceived effort on daily runs.
• PWRRUN PB superfoam: offers energy efficient cushioning that snaps back for a responsive, lively ride without heavy bulk.
• Zonal engineered mesh: improves breathability and creates a connected fit that reduces hotspots during longer sessions.
• Super Responsive Sockliner: a new SRS sockliner that adds bounce and underfoot comfort for a springy feel on toe-off.
• Re-engineered plate: vertical reinforcement increases torsional rigidity for stability while keeping forefoot flexibility for natural toe-off.

Who It's For

The Endorphin Speed 4 is best for women road runners who want a lively, lightweight trainer that can double for faster workouts and longer tempo efforts. Marathon trainees who value cushioning that still feels responsive will appreciate the snapback of the PWRRUN PB foam combined with the SPEEDROLL sensation.

Runners who need a very wide toe box or who prefer a roomier fit may want to try a different model, since customer feedback shows mixed results on fit with some finding the shoe on the narrow side. Casual walkers or those prioritizing maximal plush cushioning over responsiveness should also consider alternatives.

Pros & Cons

Pros

• Lightweight cushioning with lively rebound for fast training runs and race pace days.
• Secure, connected fit from zonal mesh and integrated tongue keeps the foot stable at speed.
• Responsive SRS sockliner and re-engineered plate deliver a springy toe-off and stable ride.

Cons

• Fit can run narrow for some feet, so those with wider forefeet may need a different last or size up.

Specifications

Brand	Saucony
Model	Endorphin Speed 4
Intended use	Road running, tempo and long training runs
Midsole technologies	PWRRUN PB superfoam and SPEEDROLL technology
Upper	Zonal engineered mesh with integrated tongue
Sockliner	Super Responsive Sockliner (SRS)
Plate	Re-engineered vertical reinforcement plate

Our Verdict

The Endorphin Speed 4 is a strong choice for runners seeking a fast, responsive road shoe that still provides cushioned comfort for longer efforts. It represents good value for athletes who want a versatile trainer capable of tempo days and race pace work, though anyone with a wide forefoot should check fit carefully before committing.

Frequently Asked Questions

Are these shoes good for marathon training?
Yes. The combination of PWRRUN PB cushioning and SPEEDROLL technology makes them suitable for marathon training and longer tempo runs.

Do they run true to size?
Fit is mixed; many find them true to size but some report a narrow feel, so try them on if you have a wider foot.

Is the shoe stable for fast workouts?
Yes. The re-engineered plate adds torsional rigidity and the zonal mesh offers a secure fit for stability at speed.