Kenichi (山室健一) Yamamuro
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16
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
27,3%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 120; Σ finishers = 11 441. 3 120 / 11 441 × 100 = 27.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 257 km
Longest race100,0 km
34. Lake Saroma 100 km Ultramarathon — 30/6/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,4%
Trail5,6%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/6/2019 | 34. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 25/6/2017 | 32. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 29/5/2016 | 23rd Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 4 | 7/6/2015 | 4th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 8/6/2014 | 3rd Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 9/6/2013 | 2nd Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 17/4/2022 | 13th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 8 | 21/4/2019 | 11th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 9 | 22/4/2018 | 10th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 10 | 23/4/2017 | 9th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 11 | 24/4/2016 | 8th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 12 | 26/4/2015 | 7th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 13 | 27/4/2014 | 6th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 14 | 3/5/2013 | 21. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 15 | 27/3/2016 | 2nd Osaka Yodogawa 50 km Ultra Marathon | 50,00 | ×1 |
| ✓ 16 | 29/3/2015 | 1st Osaka Yodogawa 50 km Ultra Marathon | 47,00 | ×1 |