Tomokatsu (仲尾智勝) Nakao
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
83,6%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 7 351; Σ finishers = 8 792. 7 351 / 8 792 × 100 = 83.61%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 310 km
Longest race100,0 km
26. Okukumano 100 km Ultramarathon — 19/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.04 | 100km | 14:19:56 h | 280 | |
| 2025 | ||||
| 20.04 | 100km | 14:21:49 h | 272 | |
| 2023 | ||||
| 23.04 | 100km | 14:30:45 h | 253 | |
| 2019 | ||||
| 28.04 | 100km | 14:12:20 h | 370 | |
| 2017 | ||||
| 23.04 | 100km | 14:21:51 h | 332 | |
| 2016 | ||||
| 24.04 | 100km | 14:08:37 h | 287 | |
| 27.03 | 50km | 6:56:41 h | 282 | |
| 2015 | ||||
| 28.06 | 100km | 12:29:27 h | 1966 | |
| 26.04 | 100km | 14:10:56 h | 249 | |
| 29.03 | 47km | 6:17:31 h | 350 | |
| 2014 | ||||
| 27.04 | 100km | 14:10:29 h | 213 | |
| 2013 | ||||
| 29.09 | 88km | 13:37:08 h | 142 | |
| 28.04 | 65km | 8:51:42 h | 64 | |
| 2012 | ||||
| 24.06 | 100km road race | 12:53:56 h | 2255 | |
| 22.04 | 60km | 8:08:54 h | 51 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/4/2026 | 26. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 20/4/2025 | 25. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 23/4/2023 | 23. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 28/4/2019 | 21. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 23/4/2017 | 19. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 24/4/2016 | 18. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 28/6/2015 | 30. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 26/4/2015 | 17. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 27/4/2014 | 16. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 24/6/2012 | 27. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 11 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 12 | 28/4/2013 | 15. Okukumano 65 km Ultramarathon | 65,00 | ×1 |
| ✓ 13 | 22/4/2012 | 14. Okukumano 60 km Ultramarathon | 60,00 | ×1 |
| ✓ 14 | 27/3/2016 | 2nd Osaka Yodogawa 50 km Ultra Marathon | 50,00 | ×1 |
| ✓ 15 | 29/3/2015 | 1st Osaka Yodogawa 50 km Ultra Marathon | 47,00 | ×1 |