Kazuo (茂山和生) Shigeyama
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
14,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 410; Σ finishers = 2 805. 410 / 2 805 × 100 = 14.62%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 067 km
> 100 km5
> 160 km3
Longest race169,0 km
3rd Lake Biwa 100 — 6/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road10,5%
Trail89,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 06.10 | 169km | 42:56:15 h | 119 | |
| 2022 | ||||
| 07.10 | 169km | 46:55:07 h | 108 | |
| 21.05 | 50mi | 10:24:45 h | 20 | |
| 2021 | ||||
| 01.10 | 167km | 35:39:24 h | 15 | |
| 2019 | ||||
| 15.09 | 110km | 15:29:31 h | 23 | |
| 23.03 | 56km | 9:06:00 h | 45 | |
| 2018 | ||||
| 07.10 | 71.5km | 11:23:55 h | 73 | |
| 27.05 | 51.9km | 7:49:52 h | 4 | |
| 2017 | ||||
| 13.05 | 50mi | 10:46:44 h | 11 | |
| 2016 | ||||
| 22.10 | 112km | 12:32:00 h | 2 🥈 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/10/2023 | 3rd Lake Biwa 100 | 169,00 | ×5 |
| ✓ 2 | 7/10/2022 | 2nd Lake Biwa 100 | 169,00 | ×5 |
| ✓ 3 | 1/10/2021 | 1st Lake Biwa 100 | 167,00 | ×5 |
| ✓ 4 | 22/10/2016 | 15th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 5 | 15/9/2019 | 11th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 6 | 21/5/2022 | 8th Mt. Hiei Int. 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 7 | 13/5/2017 | 3rd Mt. Hiei Int. 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 8 | 7/10/2018 | 26th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 23/3/2019 | 20th Mt. Rocco Cannonball Run - 56 km Night Speed | 56,00 | ×1 |
| ✓ 10 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |