Shinji (田山信至) Tayama
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.
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
45,4%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 645; Σ finishers = 3 627. 1 645 / 3 627 × 100 = 45.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 094 km
> 100 km5
> 160 km2
Longest race173,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road68,7%
Trail31,3%
Records
HISTORY
11 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2023 | 17th Nagasaki Tachibana Gulf Coast Super Maranic 173 | 173,00 | ×5 |
| ✓ 2 | 3/5/2022 | 16th Nagasaki Tachibana Gulf Coast Super Maranic 173 | 173,00 | ×5 |
| ✓ 3 | 24/11/2024 | 18th Nagasaki Tachibana Gulf Coast Super Maranic 103 | 103,00 | ×3 |
| ✓ 4 | 4/11/2023 | 17th Nagasaki Tachibana Gulf Coast Super Maranic 103 | 103,00 | ×3 |
| ✓ 5 | 15/11/2025 | 4th Kumagawa Revival Trail | 101,00 | ×3 |
| ✓ 6 | 6/6/2015 | 25th Aso Caldera Super Marathon 100 km | 100,00 | ×3 |
| ✓ 7 | 7/6/2014 | 24th Aso Caldera Super Marathon 100 km | 100,00 | ×3 |
| ✓ 8 | 25/4/2026 | 5th KAI 70k | 70,00 | ×2 |
| ✓ 9 | 21/7/2024 | 12th Kirishima Ebino-kougen Extreme Trail | 66,00 | ×2 |
| ✓ 10 | 6/6/2026 | 9th Mizukami Mountain Party | 53,00 | ×1 |
| ✓ 11 | 7/12/2025 | 11th Kumano Old Trails | 52,00 | ×1 |