Ichiro (安齋一郎) Anzai
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.
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
45,5%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 472; Σ finishers = 3 234. 1 472 / 3 234 × 100 = 45.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 268 km
> 100 km3
Longest race125,0 km
8th Fujisan Issyu Walking — 25/5/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road50,2%
Trail7,6%
Ult.Walk42,2%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/5/2024 | 8th Fujisan Issyu Walking | 125,00 | ×3 |
| ✓ 2 | 23/3/2024 | 7th Lake Kasumigaura Ultra Run | 115,00 | ×3 |
| ✓ 3 | 26/11/2022 | 1st Kyoto Ultra Walking 110km | 110,00 | ×3 |
| ✓ 4 | 14/9/2024 | 10th Nishi Seto Expressway Ultra Run | 100,00 | ×3 |
| ✓ 5 | 29/6/2024 | 6th Hakone Kodo Ultra Walking | 100,00 | ×3 |
| ✓ 6 | 13/1/2024 | 1st Nara Mahoroba Ultra Walking | 100,00 | ×3 |
| ✓ 7 | 14/10/2023 | 9th Lake Biwa Charity 100km Walking Tournament | 100,00 | ×3 |
| ✓ 8 | 3/5/2023 | 5th Sunny Okayama 100km | 100,00 | ×3 |
| ✓ 9 | 22/10/2022 | 4th Tsurugashima 100km | 100,00 | ×3 |
| ✓ 10 | 25/2/2023 | 3rd Nihondaira and Suruganokuni Ultra Run | 93,00 | ×2 |
| ✓ 11 | 15/6/2024 | 3. OSJ Aizu Bandaisan Ultramarathon - 65 km | 65,00 | ×1 |
| ✓ 12 | 29/9/2024 | 11th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K | 64,00 | ×1 |
| ✓ 13 | 11/5/2025 | 6th FunTrails Round Minano | 51,00 | ×1 |
| ✓ 14 | 2/3/2025 | 2nd IKOMA Nature Trail | 45,00 | ×1 |