Width options: standard, wide (Men's) / standard, wide (Women's)
Not enough evidence yet
3 of 3 runners said this shoe fit true to size.
| If you wear | Length | Width | Toebox | Reports |
|---|---|---|---|---|
Asics Gel-Nimbus 27 (Women's) unknown100% 1 of 1 runners landed on unknown (0.5 weighted). | True to size | Very narrow | Good room | Early reportsEarly Based on 1 report |
Nike Pegasus 39 (Women's) unknown100% 1 of 1 runners landed on unknown (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 report |
Nike Pegasus 42 (Women's) unknown100% 1 of 1 runners landed on unknown (0.5 weighted). | True to size | Very narrow | Good room | Early reportsEarly Based on 1 report |
1 of 1 runners landed on unknown (0.5 weighted).
1 of 1 runners landed on unknown (0.5 weighted).
1 of 1 runners landed on unknown (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 Nike React Infinity Run 4 (Men's).
Own the Nike React Infinity Run 4 (Men's)? A 20-second fit report helps other runners.
Add my fit reportAcross 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 |
|---|---|---|---|---|---|
Asics Gel-Nimbus 27 (Women's) Size 9 | unknown | True to sizeToo narrow | Reported fit vs Asics Gel-Nimbus 27 (Women's) — true to length, too narrow. | No issues | Mar 2026 |
Nike Pegasus 42 (Women's) Size unknown | unknown | True to sizeToo narrow | Reported fit vs Nike Pegasus 42 (Women's) — true to length, too narrow. | No issues | Mar 2026 |
Nike Pegasus 39 (Women's) Size unknown | unknown | True to sizeTrue to width | Reported fit vs Nike Pegasus 39 (Women's) — true to length, true to width. | No issues | Mar 2026 |
Reported fit vs Asics Gel-Nimbus 27 (Women's) — true to length, too narrow.
Reported fit vs Nike Pegasus 42 (Women's) — true to length, too narrow.
Reported fit vs Nike Pegasus 39 (Women's) — true to length, true to width.
See how the Nike React Infinity Run (Men's) fits side-by-side with shoes runners know well.
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