Kanji (中西幹治) Nakanishi
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Born : 1972
Cat. M50 Ultrarunner since 2012
13
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
Japan21,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 3 443; Σ finishers = 15 788. 3 443 / 15 788 × 100 = 21.81%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 217 km
> 100 km2
> 160 km1
Longest race167,0 km
7th Ultra-Trail Mt. Fuji (UTMF) — 22/4/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road53,9%
Trail46,1%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 15.11 | 101km | 4th Kumagawa Revival Trail |
22:13:50 h | 58 |
| 11.10 | 100km | 27th Yukihashi to Beppu 100 km |
19:18:49 h | 595 |
| 2024 | ||||
| 12.10 | 100km | 26th Yukihashi to Beppu 100 km |
17:16:56 h | 197 |
| 2023 | ||||
| 23.07 | 66km | 11th Kirishima Ebino-kougen Extreme Trail |
10:39:50 h | 113 |
| 2022 | ||||
| 22.04 | 167km | 7th Ultra-Trail Mt. Fuji |
34:53:05 h | 571 |
| 2019 | ||||
| 19.10 | 100km | 4th Iki 100 km Ultra Marathon |
12:32:12 h | 125 |
| 2018 | ||||
| 21.07 | 67.5km | 6th Kirishima Ebino-kougen Extreme Trail |
12:02:24 h | 189 |
| 28.04 | 92km | 5th Shizuoka to Yamanashi |
18:44:12 h | 336 |
| 2017 | ||||
| 21.10 | 100km | 2nd Iki 100 km Ultra Marathon |
12:42:34 h | 131 |
| 23.07 | 67.5km | 5th Kirishima Ebino-kougen Extreme Trail |
11:48:38 h | 168 |
| 2015 | ||||
| 18.10 | 56km | 13th Mt. Rocco Cannonball Run - 56 km Speed |
10:54:00 h | 303 |
| 2013 | ||||
| 12.10 | 100km | 15th Yukihashi to Beppu 100 km |
17:43:50 h | 326 |
| 2012 | ||||
| 06.10 | 100km | 14th Yukihashi to Beppu 100 km |
17:55:24 h | 344 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 2 | 15/11/2025 | 4th Kumagawa Revival Trail | 101,00 | ×3 |
| ✓ 3 | 11/10/2025 | 27th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 4 | 12/10/2024 | 26th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 5 | 19/10/2019 | 4th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 6 | 21/10/2017 | 2nd Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 12/10/2013 | 15th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 8 | 6/10/2012 | 14th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 9 | 28/4/2018 | 5th Shizuoka to Yamanashi (STY) | 92,00 | ×2 |
| ✓ 10 | 21/7/2018 | 6th Kirishima Ebino-kougen Extreme Trail | 67,50 | ×2 |
| ✓ 11 | 23/7/2017 | 5th Kirishima Ebino-kougen Extreme Trail | 67,50 | ×2 |
| ✓ 12 | 23/7/2023 | 11th Kirishima Ebino-kougen Extreme Trail | 66,00 | ×2 |
| ✓ 13 | 18/10/2015 | 13th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |