Takehiro (工藤武宏) Kudo
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
60,5%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 658; Σ finishers = 1 088. 658 / 1 088 × 100 = 60.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races960 km
> 100 km3
> 24h1
Longest race147,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road33,9%
Trail46,3%
Stage19,8%
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/10/2023 | 5th Autumn leaves in Okumusashi / Chichibu Journey run | 147,00 | ×5 |
| ✓ 2 | 26/10/2024 | 4. Jungle Guruguru Max - 120 km | 120,00 | ×4 |
| ✓ 3 | 21/6/2025 | 20th Green Charity Marathon Tokyo - Hard Run 24H | 119,70 | ×4 |
| ✓ 4 | 22/5/2026 | 5th Tokyo Grand Trail - 90km | 90,00 | ×3 |
| ✓ 5 | 1/3/2025 | 1st Onagawa 100 trails - 80km | 80,00 | ×3 |
| ✓ 6 | 1/7/2023 | 29th 8-Hour Endurance Race Tokorozawa | 58,80 | ×2 |
| ✓ 7 | 1/10/2023 | 10th Trainic world Soto-Chichibu Trail Run 50km | 52,00 | ×2 |
| ✓ 8 | 2/10/2022 | 9th Trainic world Soto-Chichibu Trail Run 50km | 52,00 | ×2 |
| ✓ 9 | 1/12/2024 | 11th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |