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Saucony

Endorphin Trainer

Speed TrainerRelease date 2025-03-01Global

The Endorphin Trainer brings race-derived technology to everyday high-mileage road training. Responsive IncrediRUN sits above durable PWRRUN, while a training-tuned three-quarter carbon-fiber plate and SPEEDROLL promote smooth landings and efficient toe-offs. Structured engineered mesh secures the foot over long distances, and XT-900 rubber reinforces high-wear zones for dependable daily grip and durability.

Intended uses:
Long run, Daily

Specs

Weight
280g
Of 934 known values: 504 lower, 23 equal, 407 higher. The marker uses the midpoint of equal values.
Standard55.2th percentile (tie midpoint) / average +12g
Drop
8mm
Of 945 known values: 471 lower, 267 equal, 207 higher. The marker uses the midpoint of equal values.
Standard64th percentile (tie midpoint) / average +1.2mm
Stack (heel/forefoot)
41 / 33mm
Of 779 known values: 692 lower, 21 equal, 66 higher. The marker uses the midpoint of equal values.
higherUpper 11.2%, including ties / average +6.7mm
Carbon plate
Yes
17% of 855 known models have carbon plates
Midsole
IncrediRUN / PWRRUN Frame
Outsole
XT-900
Reference price
$200
US price
Weight measurement and plate details
Weight note
Men's 280g from Saucony Japan official product page; 21RUN also lists approx. 280g men's / 227g women's.
Plate note
Saucony Japan official product page states a three-quarter-length carbon fiber plate; 21RUN corroborates the 3/4 carbon-plate construction.

Prices and release dates by market

3 markets are registered. Values are shown as published for each market: no currency conversion and no guessed days or months. Reference prices are not current shop prices.

Reference prices and release dates by market
MarketReference priceRelease
United StatesUS
$200Shown aboveBefore tax
Not registered
GlobalNot registered
2025-03-01Shown aboveGeneral release
JapanJP
¥30,800Tax incl.
Not registered

Changes from the previous model

A comparison with the registered values for Saucony Kinvara Pro.

In the registered data, weight is 11g heavier at 280g, heel stack is 1mm lower at 41mm, and forefoot stack is 1mm lower at 33mm.

These are differences between registered values, not a controlled comparison at the same size and measurement conditions. See the notes below the specs for weight conditions.

View Kinvara Pro specsCompare both models

Compare within the database

See where these specs sit in the overall distribution. You can also compare within the same category.

Comparison: All data (1,021 shoes)

Position map

This shoeregistered average

Weight x stack height

registered average: 266g / 34.4mm (761 shoes)

The scatter plot includes only shoes with both weight and stack height registered.

Spec distributions

This shoeregistered average

Weight

This shoe 280gregistered average 268g (934 shoes)

96g383g

Drop

This shoe 8mmregistered average 6.8mm (945 shoes)

0mm13.8mm

Stack height

This shoe 41mmregistered average 34.3mm (779 shoes)

6mm58mm

Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.