Hideo (西川秀郎) Nishikawa
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Born : 1953
Cat. M70 Ultrarunner since 2006
17
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 17 eligible race(s): Σ(rank − 1) = 2 688; Σ finishers = 12 343. 2 688 / 12 343 × 100 = 21.78%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 436 km
Longest race100,0 km
21. Okukumano 100 km Ultramarathon — 28/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road80,5%
Trail19,5%
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/4/2019 | 21. Okukumano 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 21/10/2018 | 24th River Shimanto 100km | 100,00 | ×3 |
| ✓ 3 | 15/10/2017 | 23rd River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 18/10/2015 | 21st River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 20/9/2015 | 15th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 19/10/2014 | 20th River Shimanto 100km | 100,00 | ×3 |
| ✓ 7 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×3 |
| ✓ 8 | 10/6/2012 | 1st Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 19/9/2010 | 10th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 3/5/2017 | 25. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 11 | 3/5/2016 | 24. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 12 | 3/5/2015 | 23. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 13 | 3/5/2013 | 21. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 14 | 5/10/2008 | 4th Ashiya Hama Shiokaze Ultra Marathon - 70 km | 70,00 | ×2 |
| ✓ 15 | 15/10/2006 | 2nd Ashiya Hama Shiokaze Ultra Marathon - 70 km | 70,00 | ×2 |
| ✓ 16 | 28/9/2014 | 17th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 17 | 2/10/2011 | 7th Ashiya Hama Shiokaze Ultra Marathon - 50 km | 50,00 | ×1 |