Saucony Women's Endorphin Speed 4 Sneaker - Fast, Lightweight Trainer

In this review of the Saucony Women's Endorphin Speed 4 sneaker, the bottom line is simple: this is a fast, light training shoe for runners who want daily speedwork without sacrificing comfort. Built around Saucony's PWRRUN PB foam and SPEEDROLL geometry, the shoe delivers a lively, propulsive feel that rewards quicker paces and tempo efforts. Customers consistently praise the cushioning and arch support, and many highlight how lightweight the shoe feels during long runs or interval sessions, so runners seeking an energetic daily trainer will find it especially appealing.

Key Features

• PWRRUN PB foam: Provides a responsive, cushioned platform that keeps long sessions comfortable while still feeling springy underfoot.
• SPEEDROLL technology: Encourages a smooth, forward roll that helps maintain momentum and reduces perceived effort on tempo work.
• SRS cushioning: Adds a soft but supportive underfoot layer that helps protect feet during repetitive training miles.
• Embedded plate: A lightweight plate element contributes to a snappy toe-off and makes accelerations feel effortless.
• Fast & light design: The overall construction is pared back to reduce weight, letting runners feel more nimble without losing protective cushioning.

Who It's For

The Endorphin Speed 4 is best for road runners who do a mix of daily training, tempo runs, and interval sessions and want a single shoe that leans toward speed. It suits runners who prioritize a lively ride, lightweight feel, and good arch support-customers report fewer aches and positive effects on pronation and running form.

Runners who prefer maximal plush cushioning for long recovery runs or those needing a very roomy or inconsistent fit should check fit carefully before committing, as customers report mixed experiences with sizing. Those seeking trail traction or heavy-duty stability features should look elsewhere.

Pros & Cons

Pros

• Notably lightweight and responsive, making pace efforts feel easier and more efficient.
• Comfortable cushioning and arch support that many customers say reduces soreness and helps with pronation.
• Attractive styling and color options, with some customers calling out a city-inspired aesthetic.

Cons

• Fit is inconsistent across users, so some may need to try different sizes or widths to find the right feel.
• Runners seeking maximal plushness for long easy days may find the ride too firm or race-oriented.

Specifications

Product	Saucony Women's Endorphin Speed 4 Sneaker
Primary foam	PWRRUN PB
Ride technology	SPEEDROLL
Cushioning system	SRS cushioning
Performance element	Embedded plate
Intended use	Road running, daily training

Our Verdict

The Endorphin Speed 4 is a smart choice for runners who want a lightweight, responsive trainer that can handle most daily sessions and tempo work while still offering reliable comfort and arch support. It represents good value for anyone prioritizing speed and feel in a versatile road shoe, but try a pair for fit before committing if you have unusual sizing needs.

Frequently Asked Questions

Are these shoes good for daily training?
Yes. The combination of PWRRUN PB foam, SRS cushioning, and SPEEDROLL makes them well suited to regular road runs and tempo sessions.

Do they provide arch support?
Many customers report noticeable arch support and stabilization, with some finding relief from pronation-related discomfort.

Are they lightweight?
Yes. Customers repeatedly describe the Endorphin Speed 4 as super light, making it easy to push the pace during intervals and fast workouts.