Hiroyuki (北川裕之) Kitagawa
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
21,4%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 3 419; Σ finishers = 15 995. 3 419 / 15 995 × 100 = 21.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 721 km
> 100 km2
> 160 km2
Longest race167,0 km
11th Ultra-Trail Mt. Fuji (UTMF) — 24/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road61,8%
Trail38,2%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2026 | 11th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 2 | 3/5/2025 | 5th Yarikan 100 | 160,93 | ×4 |
| ✓ 3 | 14/6/2026 | 14th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 4 | 8/6/2025 | 13th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 5 | 9/6/2024 | 12th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 6 | 11/6/2023 | 11th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 7 | 12/6/2022 | 10th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 8 | 20/10/2019 | 25th River Shimanto 100km | 100,00 | ×2 |
| ✓ 9 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 10/6/2018 | 7th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 11 | 3/6/2018 | 1st Nanto 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 12 | 11/6/2017 | 6th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 13 | 4/5/2024 | 4th Yarikan 12h | 72,00 | ×2 |
| ✓ 14 | 30/4/2023 | 3rd Yarikan 12h | 72,00 | ×2 |
| ✓ 15 | 24/8/2024 | 27th Mt. Tateyama Climbathon | 65,00 | ×1 |
| ✓ 16 | 26/8/2017 | 20th Mt. Tateyama Climbathon | 65,00 | ×1 |
| ✓ 17 | 30/9/2018 | 5th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K | 64,00 | ×1 |
| ✓ 18 | 5/7/2025 | 3rd Shiga Kogen 55 | 55,00 | ×1 |