Terrex Speed Ultra
Width options: standard (Men's) / standard (Women's)
Imported family signal
11 of 11 runners said this shoe fit true to size.
Sizing vs. popular reference shoes
| If you wear | Length | Width | Toebox | Reports |
|---|---|---|---|---|
Adidas Adizero Adios Pro 3 (Men's) 12.5100% 1 of 1 runners landed on 12.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 12.5-12.5 |
Adidas Adizero Adios Pro 3 (Women's) 11100% 1 of 1 runners landed on 11 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 11-11 |
Adidas Adizero Boston 11 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Adidas Adizero Boston 12 (Men's) 12.5100% 1 of 1 runners landed on 12.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 12.5-12.5 |
Brooks Adrenaline GTS 23 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | Very narrow | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Hoka Bondi 8 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Mizuno Wave Rebellion Pro 2 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | Very narrow | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
New Balance More 4 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Nike Invincible 4 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.5 weighted). | True to size | True to width | Roomy toebox | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Nike Pegasus 42 (Men's) 10.5100% 1 of 1 runners landed on 10.5 (0.5 weighted). | True to size | Slightly narrow | Good room | Early reportsEarly Based on 1 reportUS 10.5-10.5 |
Saucony Endorphin Speed 4 (Men's) 12.5100% 1 of 1 runners landed on 12.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 12.5-12.5 |
1 of 1 runners landed on 12.5 (0.5 weighted).
1 of 1 runners landed on 11 (0.5 weighted).
1 of 1 runners landed on 7.5 (0.5 weighted).
1 of 1 runners landed on 12.5 (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 7.5 (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 7.5 (0.5 weighted).
1 of 1 runners landed on 7.5 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 12.5 (0.5 weighted).
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 Adidas Terrex Speed Ultra (Men's).
Own the Adidas Terrex Speed Ultra (Men's)? A 20-second fit report helps other runners.
Add my fit reportCommunity reports
Across the full report set, this many called the shoe true to size.
Reports linked to a public source you can open and verify.
Signals for hotspots, blisters, or other pain points across the full report set.
Runner notes are AI-extracted sizing summaries from public running-shoe discussions. They are not quotes.
| Came from | Bought | Verdict | Runner note | Issues | When |
|---|---|---|---|---|---|
Adidas Adizero Adios Pro 3 (Men's) Size 12.5 | 12.5 | True to sizeTrue to width | Reported fit vs Adidas Adizero Adios Pro 3 (Men's) — true to length, true to width. | No issues | Mar 2026 |
Saucony Endorphin Speed 4 (Men's) Size 12.5 | 12.5 | True to sizeTrue to width | Reported fit vs Saucony Endorphin Speed 4 (Men's) — true to length, true to width. | No issues | Mar 2026 |
Adidas Adizero Boston 12 (Men's) Size 12.5 | 12.5 | True to sizeTrue to width | Reported fit vs Adidas Adizero Boston 12 (Men's) — true to length, true to width. | No issues | Mar 2026 |
Adidas Adizero Adios Pro 3 (Women's) Size 12 | 11 | True to sizeTrue to width | Reported fit vs Adidas Adizero Adios Pro 3 (Women's) — true to length, true to width. | No issues | Mar 2026 |
Adidas Adizero Boston 11 (Women's) Size 8 | 7.5 | True to sizeTrue to width | Reported fit vs Adidas Adizero Boston 11 (Women's) — true to length, true to width. | No issues | Mar 2026 |
Nike Invincible 4 (Women's) Size 8 D | 7.5 | True to sizeTrue to width | Reported fit vs Nike Invincible 4 (Women's) — true to length, true to width, roomy toebox. | No issues | Mar 2026 |
Hoka Bondi 8 (Women's) Size 7.5 EE | 7.5 | True to sizeTrue to width | Reported fit vs Hoka Bondi 8 (Women's) — true to length, true to width. | No issues | Mar 2026 |
New Balance More 4 (Women's) Size 7.5 D | 7.5 | True to sizeTrue to width | Reported fit vs New Balance More 4 (Women's) — true to length, true to width. | No issues | Mar 2026 |
Mizuno Wave Rebellion Pro 2 (Women's) Size unknown | 8 | True to sizeToo narrow | Reported fit vs Mizuno Wave Rebellion Pro 2 (Women's) — true to length, too narrow. | Blisters (heel)Ankle rubbing | Mar 2026 |
Nike Pegasus 42 (Men's) Size 10.5 | 10.5 | True to sizeSlightly narrow | Reported fit vs Nike Pegasus 42 (Men's) — true to length, slightly narrow. | No issues | Mar 2026 |
Reported fit vs Adidas Adizero Adios Pro 3 (Men's) — true to length, true to width.
Reported fit vs Saucony Endorphin Speed 4 (Men's) — true to length, true to width.
Reported fit vs Adidas Adizero Boston 12 (Men's) — true to length, true to width.
Reported fit vs Adidas Adizero Adios Pro 3 (Women's) — true to length, true to width.
Reported fit vs Adidas Adizero Boston 11 (Women's) — true to length, true to width.
Reported fit vs Nike Invincible 4 (Women's) — true to length, true to width, roomy toebox.
Reported fit vs Hoka Bondi 8 (Women's) — true to length, true to width.
Reported fit vs New Balance More 4 (Women's) — true to length, true to width.
Reported fit vs Mizuno Wave Rebellion Pro 2 (Women's) — true to length, too narrow.
Reported fit vs Nike Pegasus 42 (Men's) — true to length, slightly narrow.
Compare with popular shoes
See how the Adidas Terrex Speed Ultra (Men's) fits side-by-side with shoes runners know well.
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