Tadaaki (栗山忠明) Kuriyama
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Born : 1966
Cat. M60 Ultrarunner since 2017
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
Japan46,9%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 4 057; Σ finishers = 8 656. 4 057 / 8 656 × 100 = 46.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 550 km
> 100 km6
> 160 km2
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,7%
Trail93,3%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/4/2025 | 10th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 2 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 3 | 21/9/2019 | 6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup | 143,00 | ×4 |
| ✓ 4 | 20/11/2022 | 8th FunTrails100K Round | 106,00 | ×3 |
| ✓ 5 | 20/11/2021 | 7th FunTrails100K Round | 106,00 | ×3 |
| ✓ 6 | 21/11/2020 | 3rd Lake Kasumigaura Ultra Run | 104,00 | ×2 |
| ✓ 7 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×2 |
| ✓ 8 | 23/9/2023 | 9th SkyViewTrail Memorial Cup | 80,00 | ×2 |
| ✓ 9 | 22/9/2018 | 5th SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup | 75,00 | ×2 |
| ✓ 10 | 26/4/2024 | 3rd KAI 70k | 70,00 | ×2 |
| ✓ 11 | 25/8/2019 | 6th Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 12 | 26/8/2018 | 5th Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 13 | 27/8/2017 | 4th Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 14 | 16/12/2018 | Coast to Coast 70k Trail Run | 68,00 | ×1 |
| ✓ 15 | 1/6/2019 | 11th OSJ Okukuji Trail 60k | 59,00 | ×1 |
| ✓ 16 | 28/4/2019 | 12th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 17 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×1 |