Takashi (坂本崇) Sakamoto
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Born : 1977
Cat. M45 Ultrarunner since 2017
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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
Japan26,9%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 1 532; Σ finishers = 5 687. 1 532 / 5 687 × 100 = 26.94%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 723 km
> 100 km4
> 160 km4
Longest race200,0 km
16th Little Edo Oedo 200k — 14/3/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road55,3%
Trail44,7%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/3/2026 | 16th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 2 | 15/3/2025 | 15th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 3 | 9/3/2024 | 14th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 4 | 16/5/2026 | 11th Trainic World 100 Mile in Sai-No-Kuni | 160,93 | ×4 |
| ✓ 5 | 15/11/2025 | 11th FunTrails100K Round | 100,00 | ×2 |
| ✓ 6 | 17/5/2025 | 10th Trainic World 100 km in Sai-No-Kuni | 100,00 | ×2 |
| ✓ 7 | 4/6/2017 | 5th Tokyo Shibamata 100 km | 100,00 | ×2 |
| ✓ 8 | 22/2/2020 | 10th Little Edo 91k | 91,00 | ×2 |
| ✓ 9 | 23/2/2019 | 9th Little Edo 91km | 91,00 | ×2 |
| ✓ 10 | 8/4/2017 | 12th Toda Saiko 70 km | 70,00 | ×1 |
| ✓ 11 | 1/10/2023 | 10th Trainic world Soto-Chichibu Trail Run 50km | 52,00 | ×1 |
| ✓ 12 | 2/10/2022 | 9th Trainic world Soto-Chichibu Trail Run 50km | 52,00 | ×1 |
| ✓ 13 | 6/10/2024 | 12th Trainic world Ogose-Tokigawa Trail Run 50km | 51,40 | ×1 |
| ✓ 14 | 3/12/2023 | 11th Trainic world Ogose-Tokigawa Trail Run 50km | 51,40 | ×1 |
| ✓ 15 | 12/5/2024 | 5th FunTrails Round Minano | 51,00 | ×1 |
| ✓ 16 | 14/5/2023 | 4th FunTrails Round Minano | 51,00 | ×1 |
| ✓ 17 | 26/6/2022 | 3rd FunTrails Round Minano | 51,00 | ×1 |
| ✓ 18 | 1/12/2024 | 11th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |