Takashi (永田恭司) Nagata
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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.
34
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
80,6%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 6 828; Σ finishers = 8 475. 6 828 / 8 475 × 100 = 80.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 406 km
> 100 km6
Longest race129,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road38,3%
Trail61,7%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/9/2017 | 4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×3 |
| ✓ 2 | 16/9/2018 | 10th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 3 | 14/9/2014 | 6th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 4 | 24/9/2022 | 1st Hiroshima Wangan Trail Run | 107,00 | ×3 |
| ✓ 5 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×3 |
| ✓ 6 | 17/11/2018 | 4th FunTrails100K Round | 106,00 | ×3 |
| ✓ 7 | 19/7/2014 | 7th OSJ Ontake 100km Ultra Trail | 100,00 | ×2 |
| ✓ 8 | 27/4/2014 | 6th 100 km Ultra Maranic Osaka | 100,00 | ×2 |
| ✓ 9 | 15/9/2013 | 13th Tango 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 20/7/2025 | 17th OSJ Ontake 100km Ultra Trail | 99,50 | ×2 |
| ✓ 11 | 22/5/2016 | 21th Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 12 | 18/5/2014 | Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 13 | 20/5/2018 | 23th Saba Highway Ultramarathon | 72,00 | ×2 |
| ✓ 14 | 30/3/2014 | 10th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |
| ✓ 15 | 27/10/2013 | 9th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |