Munenori (黒岩宗哲) Kuroiwa
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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
1,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 28; Σ finishers = 2 806. 28 / 2 806 × 100 = 1.00%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road22,8%
Trail77,2%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 17.12 | 70km | 6:40:31 h | 2 🥈 | |
| 06.08 | 50km | 5:46:12 h | 1 🏆 | |
| 08.07 | 100km | 12:56:08 h | 2 🥈 | |
| 17.06 | 50km | 4:18:17 h | 5 | |
| 06.05 | 45km | 4:43:11 h | 2 🥈 | |
| 2021 | ||||
| 12.12 | 69.1km | 7:01:25 h | 18 | |
| 25.09 | 54km | 6:19:26 h | 5 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/7/2023 | 1st Shiga Kogen 100 | 100,00 | ×5 |
| ✓ 2 | 17/12/2023 | 1st Coast to Coast Boso hanto | 70,00 | ×3 |
| ✓ 3 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×3 |
| ✓ 4 | 25/9/2021 | 8th Shigakogen Extreme Trail - Skyultra | 54,00 | ×2 |
| ✓ 5 | 6/8/2023 | 1st Mount Akagi Trail Running Race | 50,00 | ×2 |
| ✓ 6 | 17/6/2023 | 2nd KTF Trail running race - Rockin Bear | 50,00 | ×2 |
| ✓ 7 | 6/5/2023 | 2nd Karuizawa Trail Running Race | 45,00 | ×2 |