Running Shoe
Products
In The Lab
Forums
Newsletters
Join now
Best
Running Shoes For Men Women Nike Brooks Marathon Long Distance For Beginners New Balance ASICS Stability HOKA adidas Cheap Cushioned Heavy Runners On Most Comfortable Saucony PUMA
Tools
Compare 3D Compare Results Table Tool Review List Review Index Graph Review Pipeline Vote Custom Ratings
Popular
ASICS GEL-KAYANO 33 Dynafish Xiaonian HOKA Clifton 11 Li-Ning Red Hare 9 Ultra PUMA Deviate Pure NITRO ASICS MEGABLAST Li-Ning Feidian 6 Elite Saucony Triumph 24 Kiprun Kipstorm Challenger Li-Ning Chaoying Pro adidas Adizero Evo SL ASICS NOVABLAST 5 Kiprun Kipstorm Tempo ASICS SUPERBLAST 3 ANTA Zone 2 90 Brooks Anthem 8 Saucony Endorphin Azura HOKA Bondi 9 Kiprun Kipride Max Nike Pegasus 42
281 Running Shoes bought and tested
Supported by you via membership, and when you purchase through links on our site, we may earn an affiliate commission.
  1. Home
  2. Running Shoe
  3. Compare

Saucony Endorphin Azura vs Topo Specter 3

Which Running Shoe Is Better?

    Top
    Main Differences
    Design
      WeightStack HeightsExternal ShapeInternal ShapeForefoot Fit: WidthForefoot Fit: HeightArch Fit: WidthLength FitHeel Rocker GeometryForefoot Rocker GeometryFoamLacesBreathabilityTime-To-DryWater AbsorptionOther Features
    Performance
      Heel Compression Energy ReturnForefoot Compression Energy ReturnHeel CushioningForefoot CushioningHeel FirmnessForefoot FirmnessForefoot Long Run CushioningRocker StiffnessForefoot Bending Energy ReturnForefoot Bending StiffnessHeel Compression DepthForefoot Compression Depth
    Comments

Products

Saucony Endorphin Azura
Topo Specter 3 
early access

Tested using Methodology v0.15

Updated Jul 16, 2026 02:49 PM

SEE PRICE
Amazon

Tested using Methodology v0.16

Updated Aug 24, 2026 03:36 PM

This review is in Early access

SEE PRICE
RoadRunnerSports.com
Saucony Endorphin Azura Picture

Track

Topo Specter 3 Picture

Track

Heel Stack Height
40.2 mm
Weight
242.0 g (8.54 oz)
Heel-To-Toe Drop
7.3 mm
Plate
None
Heel Stack Height
38.8 mm
Weight
218.0 g (7.69 oz)
Heel-To-Toe Drop
8.4 mm
Plate
None
  1. Recommended in 4 articles:
  2. Running Shoes
  3. For Men
  4. Long Distance
  5. 1

Our Verdict

Saucony Endorphin Azura

Topo Specter 3

Full comparison details regarding individual product score sets can be found in the section below

GIFT THIS COMPARISON

0 

Variants

  • Endorphin Azura (Black/Aqua - (Women - US 7))
  • Endorphin Azura (Black/White - (Men - US 9))
  • Specter 3 (White/Sky - (Men - US 9))
  • Specter 3 (White/Teal - (Women - US 7))

Review

See Saucony Endorphin Azura Review
See Topo Specter 3 Review
0 
1 

Check Price

SEE PRICE
Amazon
SEE PRICE
RoadRunnerSports.com
SEE PRICE
Saucony
SEE PRICE
Amazon
SEE PRICE
DicksSportingGoods.com
SEARCH
DicksSportingGoods.com
Read more

Main Differences for
Half/Full Marathon Racing

Threshold 

0.10

Half/Full Marathon Racing 
 

7.9
0.0
No major differences between these running shoes for half/full marathon racing. See full list of tests below.

Full Comparison

Design

Weight  

6.7
N/A

Right Shoe Weight Photo  

Saucony Endorphin Azura Right Shoe Weight Photo
Topo Specter 3 Right Shoe Weight Photo Sample

SAMPLE

Join Now

for pictures & test results

Left Shoe Weight Photo  

Saucony Endorphin Azura Left Shoe Weight Photo
Topo Specter 3 Left Shoe Weight Photo Sample

SAMPLE

Join Now

for pictures & test results

Weight 
 

242.0 g (8.54 oz)
Lock g (Lock oz)

Stack Heights 
 

Stack Height Photo  

Saucony Endorphin Azura Stack Height Photo
Topo Specter 3 Stack Height Photo Sample

SAMPLE

Join Now

for pictures & test results

Heel Stack Height 
 

40.2 mm
Lock mm

Forefoot Stack Height 
 

32.9 mm
Lock mm

Heel-To-Toe Drop 
 

7.3 mm
Lock mm

Advertised Heel-To-Toe Drop 
 

8.0 mm
Lock mm

External Shape 
 

3D Model Full Shoe  

Preview 3D
Saucony Endorphin Azura 3D Model Full Shoe
Topo Specter 3 3D Model Full Shoe Sample

SAMPLE

Join Now

for pictures & test results

Outsole Heel Width 
 

94 mm (3.7")
Lock mm (Lock")

Outsole Arch Width 
 

70 mm (2.8")
Lock mm (Lock")

Outsole Forefoot Width 
 

116 mm (4.6")
Lock mm (Lock")

Heel Width-To-Stack Ratio 
 

2.34
Lock

Forefoot Width-To-Stack Ratio 
 

3.53
Lock

Internal Shape 
 

3D Model Internal  

Preview 3D
Saucony Endorphin Azura 3D Model Internal
Topo Specter 3 3D Model Internal Sample

SAMPLE

Join Now

for pictures & test results

Internal Length 
 

278 mm (10.9")
Lock mm (Lock")

Internal Heel Width 
 

65 mm (2.6")
Lock mm (Lock")

Internal Forefoot Width 
 

93 mm (3.7")
Lock mm (Lock")

Wide Sizing Available 
 

No
Locked

Forefoot Fit: Width 
 

9.4
N/A

Forefoot Width Photo  

Saucony Endorphin Azura Forefoot Width Photo
Topo Specter 3 Forefoot Width Photo Sample

SAMPLE

Join Now

for pictures & test results

Ball-Of-Foot TTS Deviation 
 

0.2 mm (0.007")
Lock mm (Lock")

Toe TTS Deviation 
 

-2.7 mm (-0.104")
Lock mm (Lock")

Forefoot Fit: Height 
 

10
N/A

Forefoot Height Photo  

Saucony Endorphin Azura Forefoot Height Photo
Topo Specter 3 Forefoot Height Photo Sample

SAMPLE

Join Now

for pictures & test results

Toe TTS Deviation 
 

1.0 mm (0.040")
Lock mm (Lock")

Arch Fit: Width 
 

9.7
N/A

Arch Fit Photo  

Saucony Endorphin Azura Arch Fit Photo
Topo Specter 3 Arch Fit Photo Sample

SAMPLE

Join Now

for pictures & test results

Arch Width TTS Deviation 
 

2.8 mm (0.108")
Lock mm (Lock")

Length Fit 
 

10
N/A

Toe Clearance Photo  

Saucony Endorphin Azura Toe Clearance Photo
Topo Specter 3 Toe Clearance Photo Sample

SAMPLE

Join Now

for pictures & test results

Heel Rocker Geometry 
 

8.3
N/A

Heel Rocker Photo  

Saucony Endorphin Azura Heel Rocker Photo
Topo Specter 3 Heel Rocker Photo Sample

SAMPLE

Join Now

for pictures & test results

Heel Spring 
 

29 mm (1.1")
Lock mm (Lock")

Heel Apex Position 
 

19.9%
Lock%

Heel Rocker Angle 
 

25.8°
Lock°

Forefoot Rocker Geometry 
 

6.6
N/A

Forefoot Rocker Photo  

Saucony Endorphin Azura Forefoot Rocker Photo
Topo Specter 3 Forefoot Rocker Photo Sample

SAMPLE

Join Now

for pictures & test results

Toe Spring 
 

47 mm (1.9")
Lock mm (Lock")

Toe Apex Position 
 

70.8%
Lock%

Forefoot Rocker Angle 
 

28.1°
Lock°

Foam 
 

Primary Foam Picture  

Saucony Endorphin Azura Primary Foam Picture
Topo Specter 3 Primary Foam Picture Sample

SAMPLE

Join Now

for pictures & test results

Secondary Foam Picture  

Saucony Endorphin Azura Secondary Foam Picture
Topo Specter 3 Secondary Foam Picture Sample

SAMPLE

Join Now

for pictures & test results

Primary Foam Name 
 

PWRRUN PB
Locked

Primary Foam Type 
 

PEBA
Locked

Secondary Foam Name 
 

N/A
N/A

Secondary Foam Type 
 

N/A
N/A

Laces 
 

Laces Picture  

Saucony Endorphin Azura Laces Picture
Topo Specter 3 Laces Picture Sample

SAMPLE

Join Now

for pictures & test results

Lace Type 
 

Flat
Locked

Width 
 

6.0 mm (0.2")
Lock mm (Lock")

Thickness 
 

1.9 mm (0.1")
Lock mm (Lock")

Stretch 
 

27.5%
Lock%

Breathability 
 

N/A

Breathability Video  

Topo Specter 3 Breathability Video Sample

SAMPLE

Join Now

for videos & test results

Upper Breathability  

Topo Specter 3 Upper Breathability Sample

SAMPLE

Join Now

for pictures & test results

Upper Microscope Photo  

Topo Specter 3 Upper Microscope Photo Sample

SAMPLE

Join Now

for pictures & test results

Time-To-Dry 
 

N/A

Time-To-Dry Timelapse  

Topo Specter 3 Time-To-Dry Timelapse Sample

SAMPLE

Join Now

for videos & test results

Time-To-Dry Graph  

Topo Specter 3 Time-To-Dry Graph Sample

SAMPLE

Join Now

for pictures & test results

Time To 30% Dry 
 

Lock hrs

Time To 70% Dry 
 

Lock hrs

Time To Dry 
 

Lock hrs

Water Absorption 
 

N/A

Dry Weight Photo  

Topo Specter 3 Dry Weight Photo Sample

SAMPLE

Join Now

for pictures & test results

Wet Weight Photo  

Topo Specter 3 Wet Weight Photo Sample

SAMPLE

Join Now

for pictures & test results

Water Absorbed 
 

Lock%

Other Features  

Other Features Photo  

Saucony Endorphin Azura Other Features Photo
Topo Specter 3 Other Features Photo Sample

SAMPLE

Join Now

for pictures & test results

Tongue Gusset Type 
 

Semi-gusseted
Locked

Plate 
 

None
Locked
Performance

Heel Compression Energy Return 
 

8.0
N/A

Heel Compression Video  

Topo Specter 3 Heel Compression Video Sample

SAMPLE

Join Now

for videos & test results

Heel Energy Return  

 Preview Graph
Saucony Endorphin Azura Heel Energy Return
Topo Specter 3 Heel Energy Return Sample

SAMPLE

Join Now

for pictures & test results

Heel Energy Return 
 

80.9%
Lock%

Forefoot Compression Energy Return 
 

8.3
N/A

Forefoot Compression Video  

Topo Specter 3 Forefoot Compression Video Sample

SAMPLE

Join Now

for videos & test results

Forefoot Energy Return  

 Preview Graph
Saucony Endorphin Azura Forefoot Energy Return
Topo Specter 3 Forefoot Energy Return Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Energy Return 
 

82.8%
Lock%

Heel Cushioning 
 

8.3
N/A

Heel Cushioning Picture  

Saucony Endorphin Azura Heel Cushioning Picture
Topo Specter 3 Heel Cushioning Picture Sample

SAMPLE

Join Now

for pictures & test results

Heel Cushioning  

 Preview Graph
Saucony Endorphin Azura Heel Cushioning
Topo Specter 3 Heel Cushioning Sample

SAMPLE

Join Now

for pictures & test results

Energy Absorbed At 550N 
 

3.26 J
Lock J

Energy Absorbed At 1100N 
 

10.55 J
Lock J

Energy Absorbed At 1900N 
 

19.04 J
Lock J

Forefoot Cushioning 
 

8.6
N/A

Forefoot Cushioning Picture  

Saucony Endorphin Azura Forefoot Cushioning Picture
Topo Specter 3 Forefoot Cushioning Picture Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Cushioning  

 Preview Graph
Saucony Endorphin Azura Forefoot Cushioning
Topo Specter 3 Forefoot Cushioning Sample

SAMPLE

Join Now

for pictures & test results

Energy Absorbed At 800N 
 

5.09 J
Lock J

Energy Absorbed At 1300N 
 

9.59 J
Lock J

Energy Absorbed At 2050N 
 

14.61 J
Lock J

Heel Firmness 
 

7.3
N/A

Heel Firmness Graph  

 Preview Graph
Saucony Endorphin Azura Heel Firmness Graph
Topo Specter 3 Heel Firmness Graph Sample

SAMPLE

Join Now

for pictures & test results

Firmness At 550N 
 

44.7 N/mm
Lock N/mm

Firmness At 1100N 
 

51.3 N/mm
Lock N/mm

Firmness At 1900N 
 

69.5 N/mm
Lock N/mm

Forefoot Firmness 
 

7.5
N/A

Forefoot Firmness Graph  

 Preview Graph
Saucony Endorphin Azura Forefoot Firmness Graph
Topo Specter 3 Forefoot Firmness Graph Sample

SAMPLE

Join Now

for pictures & test results

Firmness At 800N 
 

56.7 N/mm
Lock N/mm

Firmness At 1300N 
 

70.2 N/mm
Lock N/mm

Firmness At 2050N 
 

95 N/mm
Lock N/mm

Forefoot Long Run Cushioning 
 

8.1
N/A

Forefoot Long Run Cushioning  

 Preview Graph
Saucony Endorphin Azura Forefoot Long Run Cushioning
Topo Specter 3 Forefoot Long Run Cushioning Sample

SAMPLE

Join Now

for pictures & test results

Energy Absorbed At 10km 
 

8.97 J
Lock J

Energy Absorbed At 20km 
 

8.77 J
Lock J

Energy Absorbed At 30km 
 

8.63 J
Lock J

Energy Absorbed At 40km 
 

8.53 J
Lock J

Rocker Stiffness 
 

7.7
N/A

Forefoot Rocker Stiffness Video  

Topo Specter 3 Forefoot Rocker Stiffness Video Sample

SAMPLE

Join Now

for videos & test results

Forefoot Rocker Stiffness Graph  

 Preview Graph
Saucony Endorphin Azura Forefoot Rocker Stiffness Graph
Topo Specter 3 Forefoot Rocker Stiffness Graph Sample

SAMPLE

Join Now

for pictures & test results

Force To Flatten The Rocker 
 

107 N
Lock N

Forefoot Bending Energy Return 
 

7.8
N/A

Forefoot Bending Video  

Topo Specter 3 Forefoot Bending Video Sample

SAMPLE

Join Now

for videos & test results

Forefoot Bending Energy Return  

 Preview Graph
Saucony Endorphin Azura Forefoot Bending Energy Return
Topo Specter 3 Forefoot Bending Energy Return Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Bending Energy Return 
 

69.9%
Lock%

Forefoot Bending Stiffness 
 

8.3
N/A

Forefoot Bending Resistance Picture  

Saucony Endorphin Azura Forefoot Bending Resistance Picture
Topo Specter 3 Forefoot Bending Resistance Picture Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Bending Resistance  

 Preview Graph
Saucony Endorphin Azura Forefoot Bending Resistance
Topo Specter 3 Forefoot Bending Resistance Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Bending Stiffness 
 

19.5 N/mm
Lock N/mm

Forefoot Bending Force 
 

366 N
Lock N

Heel Compression Depth 
 

6.2
N/A

Heel Compression Graph  

 Preview Graph
Saucony Endorphin Azura Heel Compression Graph
Topo Specter 3 Heel Compression Graph Sample

SAMPLE

Join Now

for pictures & test results

Heel Compression At 550N 
 

12.3 mm
Lock mm

Heel Compression At 1100N 
 

21.4 mm
Lock mm

Heel Compression At 1900N 
 

27.3 mm
Lock mm

Forefoot Compression Depth 
 

6.3
N/A

Forefoot Compression Graph  

 Preview Graph
Saucony Endorphin Azura Forefoot Compression Graph
Topo Specter 3 Forefoot Compression Graph Sample

SAMPLE

Join Now

for pictures & test results

Forefoot Compression At 800N 
 

14.1 mm
Lock mm

Forefoot Compression At 1300N 
 

18.5 mm
Lock mm

Forefoot Compression At 2050N 
 

21.6 mm
Lock mm

Check Price

SEE PRICE
Amazon
SEE PRICE
RoadRunnerSports.com
SEE PRICE
Saucony
SEE PRICE
Amazon
SEE PRICE
DicksSportingGoods.com
SEARCH
DicksSportingGoods.com
Back to Top

Saucony Endorphin Azura

Topo Specter 3

Comments

  1. Comparison
 • Posted 1 hour ago

Saucony Endorphin Azura vs Topo Specter 3: Main Discussion

What do you think of these products? Let us know below.


Looking for a personalized buying advice from the RTINGS.com experts? Members have direct access to buying advice on our member forum.

See All Shoes Discussions
 Share
0 
PreviewBack to editorFormat guide
No comments yet, refresh to see new ones
We make money directly from you via Membership (which gives you access to extra features), when you buy from the RTINGS.com Shop , and when you buy a product after clicking a link to a retailer. Learn more about how we work.
We buy our own products, just like you, mostly from the United States. When a product is discontinued or no longer popular, we sell the review units locally. See what products we currently have for sale.
© 2026 9298-5266 Quebec Inc. All Rights Reserved.