Gel-Kayano v31
Width options: standard, wide (Men's) / standard, wide (Women's)
Imported family signal
13 of 15 runners said this shoe fit true to size.
Sizing vs. popular reference shoes
| If you wear | Length | Width | Toebox | Reports |
|---|---|---|---|---|
Adidas Adizero Evo SL (Women's) 8.5 UK100% 1 of 1 runners landed on 8.5 UK (0.5 weighted). | True to size | Slightly wide | Good room | Early reportsEarly Based on 1 reportUS 8.5-8.5 |
Asics Gel-Cumulus 26 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Asics Gel-Nimbus 26 (Men's) 13US wide100% 1 of 1 runners landed on 13US wide (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 13-13 |
Asics GT-2000 13 (Women's) 8 extra wide100% 1 of 1 runners landed on 8 extra wide (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Brooks Adrenaline GTS 24 (Women's) 11.5100% 1 of 1 runners landed on 11.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 11.5-11.5 |
Brooks Glycerin 21 (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 |
Hoka Arahi 6 (Women's) 10.5100% 1 of 1 runners landed on 10.5 (0.5 weighted). | True to size | Slightly narrow | Snug toebox | Early reportsEarly Based on 1 reportUS 10.5-10.5 |
Mizuno Wave Rider 27 (Women's) 10100% 1 of 1 runners landed on 10 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 10-10 |
New Balance Fresh Foam 1080 12 (Women's) 8.5100% 1 of 1 runners landed on 8.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8.5-8.5 |
New Balance Fresh Foam 1080 13 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Nike React Infinity Run 4 (Women's) 9.5100% 1 of 1 runners landed on 9.5 (0.5 weighted). | True to size | Very narrow | Cramped toebox | Early reportsEarly Based on 1 reportUS 9.5-9.5 |
Puma Velocity Nitro 2 (Women's) UK 9100% 1 of 1 runners landed on UK 9 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Saucony Guide 17 (Women's) 8 extra wide100% 1 of 1 runners landed on 8 extra wide (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Asics Gel-Kayano 31 (Men's) EUR42.5100% 1 of 1 runners landed on EUR42.5 (0.4 weighted). | Some go half size down | Slightly narrow | Good room | Early reportsEarly Based on 1 reportUS 42.5-42.5 |
Asics Gel-Nimbus 27 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.4 weighted). | Size up 0.5-1 | True to width | Good room | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
1 of 1 runners landed on 8.5 UK (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 13US wide (0.5 weighted).
1 of 1 runners landed on 8 extra wide (0.5 weighted).
1 of 1 runners landed on 11.5 (0.5 weighted).
1 of 1 runners landed on 11 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 10 (0.5 weighted).
1 of 1 runners landed on 8.5 (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 9.5 (0.5 weighted).
1 of 1 runners landed on UK 9 (0.5 weighted).
1 of 1 runners landed on 8 extra wide (0.5 weighted).
1 of 1 runners landed on EUR42.5 (0.4 weighted).
1 of 1 runners landed on 7.5 (0.4 weighted).
Community reports
Across the full report set, this many called the shoe true to size.
Reports with extra written context about what runners actually felt.
Signals for hotspots, blisters, or other pain points across the full report set.
| Came from | Bought | Verdict | Runner note | Issues | When |
|---|---|---|---|---|---|
Asics Gel-Kayano 31 (Men's) Size EUR42 | EUR42.5 | Slightly longSlightly narrow | Women's EUR42.5 is a tiny bit longer and a tiny bit narrower than men's EUR42. Comfortable and feels natural. | [gender: male/inferred] | [source: /r/running/comments/1sw9aq/bisexual_running_shoes_update/] | No issues | Mar 2026 |
Saucony Guide 17 (Women's) Size 8 2E | 8 extra wide | True to sizeTrue to width | Considering for recovery/long runs to address blister issues | [ambiguity: Poster is considering this shoe but has not yet purchased or tested it; no fit verdict provided. Gender inferred from context (wide toe box, higher volume, blister issues on right pinky toe, and general post tone suggest female runner, though not explicitly stated).] | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/13hzsvq/asics_gel_kayano_and_novablast_3_rotation/] | Blisters (toes)Ball-of-foot pain | Mar 2026 |
Asics GT-2000 13 (Women's) Size 8 2E | 8 extra wide | True to sizeTrue to width | Considering for recovery/long runs to address blister issues | [ambiguity: Poster is considering this shoe but has not yet purchased or tested it; no fit verdict provided.] | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/13hzsvq/asics_gel_kayano_and_novablast_3_rotation/] | Blisters (toes)Ball-of-foot pain | Mar 2026 |
Adidas Adizero Evo SL (Women's) Size 8.5 UK | 8.5 UK | True to sizeSlightly wide | a little roomier than Adidas, not enough to need heel lock lacing | [ambiguity: Adidas model not specified] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/1egrlan/asics_gelkayano_31_first_impressions/] | No issues | Mar 2026 |
Mizuno Wave Rider 27 (Women's) Size 10 | 10 | True to sizeTrue to width | fits well, listed as shoe that fits poster well | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1qsjbqr/mizuno_wave_rider_29_300km_review_jack_of_most/] | No issues | Mar 2026 |
New Balance Fresh Foam 1080 13 (Women's) Size 8 | 8 | True to sizeTrue to width | Poster's true size in NB 2002R is 8 (7.5 is snug); asking if should get size 8 in Kayano 14 | [ambiguity: Post is a sizing question without explicit fit verdict. No comment data provided. Inference: poster wears size 8 in NB 2002R and is considering size 8 in Kayano 14, suggesting they expect true-to-size fit.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/11r5qfg/asics_gel_kayano_14_sizing_men/] | No issues | Mar 2026 |
Brooks Adrenaline GTS 24 (Women's) Size 12 | 11.5 | True to sizeTrue to width | Brooks runs about 1/2 size bigger than Asics; similar width profiles between Adrenaline and Gel-Kayano | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/xuhbyl/brooks_to_novablast_3_size_advice/] | No issues | Mar 2026 |
Hoka Arahi 6 (Women's) Size 10.5 | 10.5 | True to sizeSlightly narrow | Hot spots under big toe knuckle after 3 miles; distracting; thick upper | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/x6fa6q/mega_review_wide_stability_guy_mach_5_tempus/] | Ball-of-foot pain | Mar 2026 |
Puma Velocity Nitro 2 (Women's) Size UK 9 | UK 9 | True to sizeTrue to width | Same size UK 9, comfortable daily trainer with good cushioning | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/] | No issues | Mar 2026 |
Nike React Infinity Run 4 (Women's) Size 9.5 | 9.5 | True to sizeToo narrow | way too narrow despite being marketed as wide fit; caused feet to feel hot, numb and tingly | [gender: female/explicit] | [source: /r/RunningShoeGeeks/comments/16qzd14/help_i_have_wide_feet_overpronation_and_am/] | No issues | Mar 2026 |
Women's EUR42.5 is a tiny bit longer and a tiny bit narrower than men's EUR42. Comfortable and feels natural. | [gender: male/inferred] | [source: /r/running/comments/1sw9aq/bisexual_running_shoes_update/]
Considering for recovery/long runs to address blister issues | [ambiguity: Poster is considering this shoe but has not yet purchased or tested it; no fit verdict provided. Gender inferred from context (wide toe box, higher volume, blister issues on right pinky toe, and general post tone suggest female runner, though not explicitly stated).] | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/13hzsvq/asics_gel_kayano_and_novablast_3_rotation/]
Considering for recovery/long runs to address blister issues | [ambiguity: Poster is considering this shoe but has not yet purchased or tested it; no fit verdict provided.] | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/13hzsvq/asics_gel_kayano_and_novablast_3_rotation/]
a little roomier than Adidas, not enough to need heel lock lacing | [ambiguity: Adidas model not specified] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/1egrlan/asics_gelkayano_31_first_impressions/]
fits well, listed as shoe that fits poster well | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1qsjbqr/mizuno_wave_rider_29_300km_review_jack_of_most/]
Poster's true size in NB 2002R is 8 (7.5 is snug); asking if should get size 8 in Kayano 14 | [ambiguity: Post is a sizing question without explicit fit verdict. No comment data provided. Inference: poster wears size 8 in NB 2002R and is considering size 8 in Kayano 14, suggesting they expect true-to-size fit.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/11r5qfg/asics_gel_kayano_14_sizing_men/]
Brooks runs about 1/2 size bigger than Asics; similar width profiles between Adrenaline and Gel-Kayano | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/xuhbyl/brooks_to_novablast_3_size_advice/]
Hot spots under big toe knuckle after 3 miles; distracting; thick upper | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/x6fa6q/mega_review_wide_stability_guy_mach_5_tempus/]
Same size UK 9, comfortable daily trainer with good cushioning | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/]
way too narrow despite being marketed as wide fit; caused feet to feel hot, numb and tingly | [gender: female/explicit] | [source: /r/RunningShoeGeeks/comments/16qzd14/help_i_have_wide_feet_overpronation_and_am/]
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