Yuki (伊藤祐貴) Ito
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
7
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
44,4%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 094; Σ finishers = 2 464. 1 094 / 2 464 × 100 = 44.40%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races738 km
> 100 km3
> 160 km1
Longest race162,6 km
15th Shinetsu Five Mountains Trail 100 mile — 16/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road47,0%
Trail53,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 06.06 | 159km | 19:21:17 h | 3 🥉 | |
| 2023 | ||||
| 16.09 | 162.6km | 25:22:40 h | 24 | |
| 2022 | ||||
| 20.11 | 106km | 19:28:23 h | 38 | |
| 25.09 | 100km | 12:55:00 h | 335 | |
| 2019 | ||||
| 01.09 | 50km | 10:11:09 h | 38 | |
| 23.06 | 72.6km | 12:06:30 h | 371 | |
| 2015 | ||||
| 20.09 | 88km | 12:13:09 h | 292 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×6 |
| ✓ 2 | 6/6/2026 | 7th Nikko Sennin Concentric Highway Journey Run | 159,00 | ×6 |
| ✓ 3 | 20/11/2022 | 8th FunTrails100K Round | 106,00 | ×4 |
| ✓ 4 | 25/9/2022 | 30. Akita Nairiku 100km Marathon | 100,00 | ×4 |
| ✓ 5 | 20/9/2015 | 6th Akiota Yajirushi Marathon 88km | 88,00 | ×3 |
| ✓ 6 | 23/6/2019 | 6. Spatrail - Shima to Kusatsu 72K | 72,60 | ×2 |
| ✓ 7 | 1/9/2019 | 12th OSJ Adatara Trail 50K | 50,00 | ×2 |