RUNSIZED
S
2022
Saucony
Endorphin Speed v3
Road / Neutralavailable2022
Saucony

Endorphin Speed v3

Width options: standard, wide (Men's) / standard, wide (Women's)

Showing: Men's & Women's data combined
Community verifiedStrong
Based on 85+ reports
Based on 85 reports: True to size

Imported family signal

67 of 85 runners said this shoe fit true to size.

Report your fit

Fit Notes

Runs true to size. Snug fit — wider feet go up 0.5.

Sizing vs. popular reference shoes

85 reports
Puma Velocity Nitro 2 (Women's)
Early reportsEarly

2 of 2 runners landed on UK 9 (0.9 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Snug toebox
UK 9100%
Saucony Triumph 20 (Women's)
Early reportsEarly

2 of 2 runners landed on 8.5 (0.9 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Good room
8.5100%
Adidas Adizero Adios Pro 3 (Men's)
Early reportsEarly

1 of 1 runners landed on 12 (0.5 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Snug toebox
12100%
Adidas Adizero Boston 12 (Men's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5100%
Adidas Adizero Evo SL (Women's)
Early reportsEarly

1 of 1 runners landed on 11 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11100%
Adidas Ultraboost 24 (Women's)
Early reportsEarly

1 of 1 runners landed on 8 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
8100%
Altra Torin 6 (Women's)
Early reportsEarly

1 of 1 runners landed on 12 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
12100%
Asics Gel-Kayano 30 (Women's)
Early reportsEarly

1 of 1 runners landed on UK 7 wide (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Good room
UK 7 wide100%
Asics Gel-Nimbus 25 (Women's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5100%
Asics GT-2000 13 (Women's)
Early reportsEarly

1 of 1 runners landed on UK 7 wide (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Good room
UK 7 wide100%
Asics Metaspeed Sky+ (Men's)
Early reportsEarly

1 of 1 runners landed on 9.5 (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Roomy toebox
9.5100%
Asics Metaspeed Sky+ (Women's)
Early reportsEarly

1 of 1 runners landed on 9.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
9.5100%
Asics Novablast 4 (Men's)
Early reportsEarly

1 of 1 runners landed on 6.5 wide (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
6.5 wide100%
Brooks Adrenaline GTS 23 (Women's)
Early reportsEarly

1 of 1 runners landed on 11.5 Wide (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5 Wide100%
Brooks Adrenaline GTS 24 (Women's)
Early reportsEarly

1 of 1 runners landed on 7 (0.5 weighted).

Length
True to size
Width
Very narrow
Toebox
Cramped toebox
7100%
Brooks Ghost 17 (Men's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5100%
Brooks Hyperion GTS 2 (Women's)
Early reportsEarly

1 of 1 runners landed on 9.5 (0.5 weighted).

Length
True to size
Width
Very narrow
Toebox
Good room
9.5100%
Brooks Launch 11 (Men's)
Early reportsEarly

1 of 1 runners landed on 11 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11100%
Hoka Bondi 8 (Women's)
Early reportsEarly

1 of 1 runners landed on 9 4E (0.5 weighted).

Length
True to size
Width
Very narrow
Toebox
Good room
9 4E100%
Hoka Clifton 10 (Women's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Good room
11.5100%
Hoka Clifton 9 (Men's)
Early reportsEarly

1 of 1 runners landed on US11 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
US11100%
Hoka Clifton 9 (Women's)
Early reportsEarly

1 of 1 runners landed on 8 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
8100%
Mizuno Wave Rider 27 (Women's)
Early reportsEarly

1 of 1 runners landed on 10 (0.5 weighted).

Length
True to size
Width
Very narrow
Toebox
Cramped toebox
10100%
New Balance FuelCell Rebel 4 (Men's)
Early reportsEarly

1 of 1 runners landed on 9 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
9100%
New Balance FuelCell SC Elite 3 (Men's)
Early reportsEarly

1 of 1 runners landed on M13 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
M13100%
New Balance FuelCell SC Elite 4 (Women's)
Early reportsEarly

1 of 1 runners landed on 8.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
8.5100%
Nike Alphafly 3 (Men's)
Early reportsEarly

1 of 1 runners landed on 13 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
13100%
Nike Invincible 4 (Women's)
Early reportsEarly

1 of 1 runners landed on UK 7 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
UK 7100%
Nike Pegasus 42 (Men's)
Early reportsEarly

1 of 1 runners landed on UK 8 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
UK 8100%
On Cloudmonster 1 (Men's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5100%
On Cloudmonster 1 (Women's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
11.5100%
Salomon S/Lab Ultra 3 (Men's)
Early reportsEarly

1 of 1 runners landed on 9 (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Very roomy toebox
9100%
Saucony Endorphin Speed 4 (Men's)
Early reportsEarly

1 of 1 runners landed on 12.5D (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
12.5D100%
Saucony Endorphin Speed 4 (Women's)
Early reportsEarly

1 of 1 runners landed on 8 (0.5 weighted).

Length
True to size
Width
Slightly wide
Toebox
Good room
8100%
Saucony Kinvara 14 (Men's)
Early reportsEarly

1 of 1 runners landed on 12 (0.5 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Good room
12100%
Saucony Peregrine 13 (Women's)
Early reportsEarly

1 of 1 runners landed on 6 (0.5 weighted).

Length
True to size
Width
Very narrow
Toebox
Good room
6100%
Asics Gel-Nimbus 27 (Women's)
Early reportsEarly

1 of 1 runners landed on 9.5 (0.4 weighted).

Length
Consider sizing up 0.5
Width
Slightly narrow
Toebox
Cramped toebox
9.5100%
Asics Novablast 5 (Women's)
Early reportsEarly

1 of 1 runners landed on EU 40 (0.4 weighted).

Length
Consider sizing up 0.5
Width
True to width
Toebox
Good room
EU 40100%
Brooks Glycerin 20 (Women's)
Early reportsEarly

1 of 1 runners landed on 9 (0.4 weighted).

Length
Consider sizing up 0.5
Width
Slightly narrow
Toebox
Good room
9100%
Hoka Mach 5 (Women's)
Early reportsEarly

1 of 1 runners landed on 6.5 (0.4 weighted).

Length
Consider sizing up 0.5
Width
True to width
Toebox
Good room
6.5100%
Hoka Mach 6 (Women's)
Early reportsEarly

1 of 1 runners landed on 9.5 (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Snug toebox
9.5100%
New Balance FuelCell Rebel 4 (Women's)
Early reportsEarly

1 of 1 runners landed on 10 (0.4 weighted).

Length
Consider sizing up 0.5
Width
Very narrow
Toebox
Cramped toebox
10100%
Nike Pegasus 40 (Men's)
Early reportsEarly

1 of 1 runners landed on US10.5 (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
US10.5100%
Nike Pegasus 40 (Women's)
Early reportsEarly

1 of 1 runners landed on 8 (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
8100%
Saucony Endorphin Pro 3 (Men's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
11.5100%
Saucony Endorphin Pro 4 (Women's)
Early reportsEarly

1 of 1 runners landed on 12.5 (0.4 weighted).

Length
Consider sizing up 0.5
Width
True to width
Toebox
Good room
12.5100%
Saucony Endorphin Speed 2 (Men's)
Early reportsEarly

1 of 1 runners landed on 11.5 (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
11.5100%
Saucony Guide 17 (Women's)
Early reportsEarly

1 of 1 runners landed on UK 7 wide (0.4 weighted).

Length
Consider sizing up 0.5
Width
Slightly wide
Toebox
Roomy toebox
UK 7 wide100%
Nike Air Zoom Structure 26 (Women's)
Early reportsEarly

1 of 1 runners landed on UK 6 (0.4 weighted).

Length
Size up 0.5-1
Width
True to width
Toebox
Good room
UK 6100%
Brooks Adrenaline GTS 24 (Men's)
Early reportsEarly

1 of 1 runners landed on unknown (0.5 weighted).

Length
True to size
Width
True to width
Toebox
Good room
unknown100%
Brooks Hyperion Max 2 (Women's)
Early reportsEarly

1 of 1 runners landed on unknown (0.4 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
unknown100%
Brooks Ghost 17 (Women's)
Early reportsEarly

1 of 2 runners landed on 7.5 W (0.9 weighted).

Length
Consider sizing up 0.5
Width
Slightly narrow
Toebox
Snug toebox
7.5 W50%unknown50%
Adidas Adizero Adios Pro 3 (Women's)
Early reportsEarly

1 of 2 runners landed on 11 (0.9 weighted).

Length
True to size
Width
True to width
Toebox
Good room
1150%11.550%
Hoka Arahi 6 (Women's)
Early reportsEarly

1 of 2 runners landed on 10.5 (0.9 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Good room
10.550%1150%
Saucony Endorphin Pro 3 (Women's)
Early reportsEarly

1 of 2 runners landed on 7.5 men's D (0.9 weighted).

Length
True to size
Width
True to width
Toebox
Good room
7.5 men's D50%8.550%
Nike Pegasus 42 (Women's)
Early reportsEarly

1 of 3 runners landed on 12.5 (1.4 weighted).

Length
True to size
Width
Slightly wide
Toebox
Good room
12.533%9 4E33%UK 733%
Saucony Kinvara 14 (Women's)
Early reportsEarly

1 of 3 runners landed on 11 US (1.4 weighted).

Length
True to size
Width
True to width
Toebox
Good room
1233%UK 733%11 US33%
Adidas Adizero Boston 12 (Women's)
Early reportsEarly

1 of 2 runners landed on 10.5 (0.9 weighted).

Length
Some go half size down
Width
True to width
Toebox
Roomy toebox
950%10.550%
Saucony Ride 17 (Women's)
Early reportsEarly

1 of 2 runners landed on 7.5 (0.9 weighted).

Length
Some go half size down
Width
True to width
Toebox
Good room
7.550%9 regular50%
Asics Gel-Cumulus 26 (Women's)
Early reportsEarly

1 of 2 runners landed on 8 US (0.9 weighted).

Length
True to size
Width
True to width
Toebox
Good room
US 1250%8 US50%
Asics Superblast 1 (Women's)
Early reportsEarly

1 of 2 runners landed on 12 (0.9 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Snug toebox
1250%9.5M50%
New Balance Fresh Foam 1080 12 (Women's)
Early reportsEarly

1 of 2 runners landed on 7 (0.9 weighted).

Length
True to size
Width
True to width
Toebox
Good room
750%9 4E50%
New Balance Fresh Foam 1080 13 (Women's)
Early reportsEarly

1 of 2 runners landed on 8 (0.9 weighted).

Length
True to size
Width
Slightly narrow
Toebox
Snug toebox
850%9 4E50%
New Balance Fresh Foam 860 13 (Women's)
Early reportsEarly

1 of 2 runners landed on 10.5 (0.9 weighted).

Length
True to size
Width
Very narrow
Toebox
Cramped toebox
850%10.550%
Saucony Triumph 21 (Women's)
Early reportsEarly

1 of 2 runners landed on 9.5 (0.9 weighted).

Length
True to size
Width
True to width
Toebox
Good room
9.550%UK 750%
New Balance Fresh Foam 1080 11 (Women's)
Early reportsEarly

1 of 2 runners landed on 10.5 (0.9 weighted).

Length
Consider sizing up 0.5
Width
True to width
Toebox
Good room
6.550%10.550%

Your size, to start

Start with your usual size unless strong runner evidence says otherwise. We don't yet have enough validated reports to confidently recommend a length-size change for the Saucony Endorphin Speed 3 (Men's).

Own the Saucony Endorphin Speed 3 (Men's)? A 20-second fit report helps other runners.

Add my fit report

Community reports

True to size
79%

Across the full report set, this many called the shoe true to size.

Sourced
100%

Reports linked to a public source you can open and verify.

Reported issues
16%

Signals for hotspots, blisters, or other pain points across the full report set.

Showing 10 of 85 total reports

Runner notes are AI-extracted sizing summaries from public running-shoe discussions. They are not quotes.

New Balance FuelCell SC Elite 3 (Men's)
M13 -> M13
Mar 2026
True to sizeTrue to width

Reported fit vs New Balance FuelCell SC Elite 3 (Men's) — true to length, true to width.

Asics Gel-Nimbus 27 (Women's)
7.5 -> 9.5
Mar 2026
Slightly shortSlightly narrow

Reported fit vs Asics Gel-Nimbus 27 (Women's) — slightly narrow, cramped toebox.

Saucony Endorphin Speed 4 (Men's)
12D -> 12.5D
Mar 2026
True to sizeTrue to width

Reported fit vs Saucony Endorphin Speed 4 (Men's) — true to length, true to width.

Adidas Adizero Boston 12 (Men's)
11.5 -> 11.5
Mar 2026
True to sizeTrue to width

Reported fit vs Adidas Adizero Boston 12 (Men's) — true to length, true to width.

Saucony Endorphin Speed 4 (Women's)
9.5 -> 8
Mar 2026
True to sizeSlightly wide

Reported fit vs Saucony Endorphin Speed 4 (Women's) — true to length, slightly wide.

Saucony Endorphin Pro 3 (Men's)
12.5 -> 11.5
Mar 2026
Slightly longTrue to width

Reported fit vs Saucony Endorphin Pro 3 (Men's) — true to width.

Adidas Ultraboost 24 (Women's)
7.5 -> 8
Mar 2026
True to sizeTrue to width

Reported fit vs Adidas Ultraboost 24 (Women's) — true to length, true to width.

Saucony Endorphin Speed 2 (Men's)
12.5 -> 11.5
Mar 2026
Slightly longTrue to width

Reported fit vs Saucony Endorphin Speed 2 (Men's) — true to width.

Nike Alphafly 3 (Men's)
13 -> 13
Mar 2026
True to sizeTrue to width

Reported fit vs Nike Alphafly 3 (Men's) — true to length, true to width.

Saucony Kinvara 14 (Men's)
12 -> 12
Mar 2026
True to sizeSlightly narrow

Reported fit vs Saucony Kinvara 14 (Men's) — true to length, slightly narrow.

Compare with popular shoes

See how the Saucony Endorphin Speed (Men's) fits side-by-side with shoes runners know well.

Swipe to compare more shoes.