Taro (伊藤太郎) Ito
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8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
78,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 563; Σ finishers = 1 996. 1 563 / 1 996 × 100 = 78.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races774 km
> 100 km3
> 24h2
Longest race142,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road89,5%
Stage10,5%
Records
HISTORY
9 race(s) · 1 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/11/2025 | 7th Autumn leaves in Okumusashi / Chichibu Journey run | 142,00 | ×5 |
| ✓ 2 | 23/5/2026 | IAU 24h Asia and Oceania Championships Open | 127,50 | ×5 |
| ✓ 3 | 24/5/2025 | 4th Hirosaki 24h Ultra Run | 105,91 | ×4 |
| ✓ 4 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×3 |
| ✓ 5 | 17/5/2026 | 31th Saba Highway Ultramarathon | 77,00 | ×3 |
| ✓ 6 | 11/4/2026 | 21st Toda Saiko 8 Hours | 60,00 | ×2 |
| ✓ 7 | 3/7/2022 | 28th 8-Hour Endurance Race Tokorozawa | 53,90 | ×2 |
| ✓ 8 | 5/7/2026 | 13th Naeba-Sanroku Geopark Tsunan Ultramarathon 48K | 48,00 | ×1 |