Shigekazu (中村茂一) Nakamura
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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
68,0%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 3 002; Σ finishers = 4 417. 3 002 / 4 417 × 100 = 67.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 750 km
> 100 km5
> 160 km1
Longest race198,0 km
16th Taiyou No Michi 200km — 22/4/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road87,0%
Trail5,8%
Ult.Walk7,1%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2016 | 16th Taiyou No Michi 200km | 198,00 | ×5 |
| ✓ 2 | 26/5/2018 | 10th Biwako Tourism Ultramannic 160 km | 160,00 | ×4 |
| ✓ 3 | 25/5/2024 | 8th Fujisan Issyu Walking | 125,00 | ×3 |
| ✓ 4 | 21/10/2023 | 7th Santo Ultra Maranic - Keihan Course | 120,00 | ×3 |
| ✓ 5 | 19/7/2025 | 2nd Shinshu Nakasendo 12 Stations Ultra Race | 102,00 | ×2 |
| ✓ 6 | 5/4/2025 | 8th Lake Biwa Kaizu Sakura Maranic - 100 km | 100,00 | ×2 |
| ✓ 7 | 15/10/2022 | 5th Nakasendo to Kisoji Ultra Run | 100,00 | ×2 |
| ✓ 8 | 19/6/2016 | 11. Okinoshima 100km Ultra Marathon | 100,00 | ×2 |
| ✓ 9 | 8/6/2014 | 3rd Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 27/4/2014 | 16. Okukumano 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 11 | 20/5/2012 | 4th 100 km Ultra Maranic Osaka | 100,00 | ×2 |
| ✓ 12 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 13 | 19/10/2024 | 8th Santo Ultra Maranic - Hanshin Course | 80,00 | ×2 |
| ✓ 14 | 18/5/2014 | Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 15 | 29/3/2015 | 1st Osaka Yodogawa 70 km Ultra Marathon | 70,00 | ×1 |
| ✓ 16 | 13/10/2013 | 9th Ashiya Hama Shiokaze Ultra Marathon - 70 km | 70,00 | ×1 |
| ✓ 17 | 21/9/2012 | 12th Tango 60 km Ultramarathon | 60,00 | ×1 |