Akiyuki (須永晃行) Sunaga
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.
Born : 1986
Cat. M40 Ultrarunner since 2019
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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
Japan30,1%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 650; Σ finishers = 2 160. 650 / 2 160 × 100 = 30.09%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races406 km
Longest race65,0 km
14th Nozawa Onsen 4100D Mountain Trail — 16/7/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 14.06 | 63km | 12th Echigo Country Trail |
10:17:34 h | 105 |
| 2023 | ||||
| 06.08 | 50km | 1st Mount Akagi Trail Running Race |
7:47:08 h | 23 |
| 16.07 | 65km | 14th Nozawa Onsen 4100D Mountain Trail |
11:27:42 h | 95 |
| 2022 | ||||
| 17.07 | 65km | 13th Nozawa Onsen 4100D Mountain Trail |
11:20:38 h | 127 |
| 27.05 | 45km | 1st Karuizawa Trail Running Race |
7:14:59 h | 99 |
| 2019 | ||||
| 13.07 | 65km | 10th Nozawa Onsen 4100D Mountain Trail |
11:25:17 h | 118 |
| 16.06 | 53km | 5th Echigo Country Trail |
7:30:16 h | 90 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/7/2023 | 14th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×3 |
| ✓ 2 | 17/7/2022 | 13th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×3 |
| ✓ 3 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×3 |
| ✓ 4 | 14/6/2026 | 12th Echigo Country Trail | 63,00 | ×3 |
| ✓ 5 | 16/6/2019 | 5th Echigo Country Trail | 53,00 | ×2 |
| ✓ 6 | 6/8/2023 | 1st Mount Akagi Trail Running Race | 50,00 | ×2 |
| ✓ 7 | 27/5/2022 | 1st Karuizawa Trail Running Race | 45,00 | ×2 |