Kazuyo (仲間和代) Nakakado
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Ultrarunner since 1992
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?Japan
Japan29,7%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 375; Σ finishers = 1 263. 375 / 1 263 × 100 = 29.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races805 km
Longest race55,0 km
2nd Miyako 55 km Ultramarathon — 26/1/1992
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F4
🏅 Top 31
🏅 Top 3 F6
Longest winning streak0
Current streak0
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 26.01 | 50km | 35th Miyako 50 km Ultramarathon |
6:02:16 h | 59 |
| 2024 | ||||
| 21.01 | 50km | 34th Miyako 50 km Ultramarathon |
5:50:27 h | 41 |
| 2023 | ||||
| 22.01 | 50km | 33th Miyako 50 km Ultramarathon |
6:10:40 h | 45 |
| 2020 | ||||
| 19.01 | 50km | 30th Miyako 50 km Ultramarathon |
5:24:09 h | 39 |
| 2019 | ||||
| 20.01 | 50km | 29th Miyako 50 km Ultramarathon |
5:32:58 h | 25 |
| 2017 | ||||
| 15.01 | 50km | 27th Miyako 50 km Ultramarathon |
5:26:46 h | 35 |
| 2016 | ||||
| 17.01 | 50km | 26th Miyako 50 km Ultramarathon |
5:41:34 h | 32 |
| 2015 | ||||
| 11.01 | 50km | 25th Miyako 50 km Ultramarathon |
5:13:56 h | 29 |
| 2014 | ||||
| 12.01 | 50km | 24th Miyako 50 km Ultramarathon |
5:23:14 h | 24 |
| 2013 | ||||
| 13.01 | 50km | 23rd Miyako 50 km Ultramarathon |
5:22:06 h | 34 |
| 2009 | ||||
| 11.01 | 50km | 19th Miyako 50 km Ultramarathon |
4:56:55 h | 4 |
| 2006 | ||||
| 15.01 | 50km | 16th Miyako 50 km Ultramarathon |
4:36:25 h | 5 |
| 2005 | ||||
| 16.01 | 50km | 15th Miyako 50 km Ultramarathon |
4:18:46 h | 3 🥉 |
| 2001 | ||||
| 14.01 | 50km | 11th Miyako 50 km Ultramarathon |
4:28:48 h | 4 |
| 2000 | ||||
| 16.01 | 50km | 10th Miyako 50 km Ultramarathon |
4:42:13 h | 5 |
| 1992 | ||||
| 26.01 | 55km | 2nd Miyako 55 km Ultramarathon |
4:57:51 h | 7 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/1/1992 | 2nd Miyako 55 km Ultramarathon | 55,00 | ×2 |
| ✓ 2 | 26/1/2025 | 35th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 3 | 21/1/2024 | 34th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 4 | 22/1/2023 | 33th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 5 | 19/1/2020 | 30th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 6 | 20/1/2019 | 29th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 7 | 15/1/2017 | 27th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 8 | 17/1/2016 | 26th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 9 | 11/1/2015 | 25th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 10 | 12/1/2014 | 24th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 11 | 13/1/2013 | 23rd Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 12 | 11/1/2009 | 19th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 13 | 15/1/2006 | 16th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 14 | 16/1/2005 | 15th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 15 | 14/1/2001 | 11th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 16 | 16/1/2000 | 10th Miyako 50 km Ultramarathon | 50,00 | ×2 |