Masahiro (中村正宏) Nakamura
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
31,0%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 556; Σ finishers = 8 236. 2 556 / 8 236 × 100 = 31.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 147 km
> 100 km5
> 160 km1
Longest race160,9 km
5th OSJ Koumi 100 — 6/10/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/10/2018 | 5th OSJ Koumi 100 | 160,93 | ×5 |
| ✓ 2 | 11/9/2016 | 3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×4 |
| ✓ 3 | 19/7/2015 | 2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup | 118,00 | ×3 |
| ✓ 4 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 5 | 16/9/2017 | 9th Shinetsu Five Mountains Trail 100 mile | 102,00 | ×3 |
| ✓ 6 | 13/7/2013 | 6th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 7 | 3/11/2012 | 1st OSJ Yatsugatake Super Trail 100 km race | 100,00 | ×3 |
| ✓ 8 | 31/10/2015 | 23rd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 12/10/2014 | 22nd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 10 | 10/10/2010 | 18th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 30/8/2014 | 1st Shigakogen Extreme Trail | 63,00 | ×1 |
| ✓ 12 | 10/11/2013 | 5th Kanna Mountain Run II | 50,00 | ×1 |