Takuya (長谷川拓也) Hasegawa
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
54,4%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 5 018; Σ finishers = 9 226. 5 018 / 9 226 × 100 = 54.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 232 km
> 100 km1
Longest race125,0 km
6th Fujisan Issyu Walking — 11/6/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road74,6%
Trail15,2%
Ult.Walk10,1%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/6/2022 | 6th Fujisan Issyu Walking | 125,00 | ×3 |
| ✓ 2 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 3 | 21/10/2017 | 8th Inagawa 100km Ultra-Marathon | 100,00 | ×3 |
| ✓ 4 | 24/9/2017 | 27. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 5 | 2/7/2017 | 1st Nikko 100km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 25/9/2016 | 26. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 7 | 27/3/2016 | 12th Izu Oshima Ultra 100 km | 100,00 | ×3 |
| ✓ 8 | 5/6/2016 | 23. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 9 | 22/5/2016 | 22nd Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 10 | 14/4/2018 | 13th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 11 | 9/4/2016 | 11th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 12 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 13 | 19/10/2019 | 10th Inagawa 100km Ultra-Marathon | 51,40 | ×1 |
| ✓ 14 | 10/9/2017 | 7th Hakuba Int. Trail Run | 51,40 | ×1 |
| ✓ 15 | 19/6/2016 | 11. Okinoshima 50km Ultra Marathon | 50,00 | ×1 |