Toshiyuki (伊藤俊幸) Ito
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Born : 1976
Cat. M50 Ultrarunner since 2016
17
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
2
Countries visited ?
Hong KongJapan
Hong KongJapan36,9%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 158; Σ finishers = 5 853. 2 158 / 5 853 × 100 = 36.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 512 km
> 100 km6
> 160 km2
Longest race163,1 km
16th Shinetsu Five Mountains Trail 100 mile — 14/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road21,0%
Trail79,0%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2024 | 16th Shinetsu Five Mountains Trail 100 mile | 163,10 | ×4 |
| ✓ 2 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 3 | 17/4/2022 | 32th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 4 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 5 | 18/5/2024 | 9th Trainic World 100 km in Sai-No-Kuni | 109,20 | ×3 |
| ✓ 6 | 10/6/2023 | 3rd Okushinano 100 | 100,80 | ×2 |
| ✓ 7 | 24/9/2017 | 20th Jonaizaka 100 km Ultra Marathon | 100,00 | ×2 |
| ✓ 8 | 18/9/2016 | 19th Jonaizaka 100 km Ultra Marathon | 100,00 | ×2 |
| ✓ 9 | 28/8/2022 | 9th Tsukuba Renjyo 70 km Road & Trail Run | 75,00 | ×2 |
| ✓ 10 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 11 | 16/7/2023 | 14th Nozawa Onsen 4100D Mountain Trail Pair | 65,00 | ×1 |
| ✓ 12 | 26/5/2024 | 16th OSJ Okukuji Trail 60k | 62,00 | ×1 |
| ✓ 13 | 28/5/2023 | 15th OSJ Okukuji Trail 60k | 62,00 | ×1 |
| ✓ 14 | 28/5/2022 | 14th OSJ Okukuji Trail 60k | 59,00 | ×1 |
| ✓ 15 | 23/1/2026 | 16th Hong Kong 100 Ultra Trail Race - Half | 56,00 | ×1 |
| ✓ 16 | 27/4/2025 | 18th Ishioka Trail Run | 50,00 | ×1 |
| ✓ 17 | 1/12/2024 | 11th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |