Kazuaki (蓮見一明) Hasumi
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 : 1973
Cat. M50 Ultrarunner since 2016
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
Japan46,8%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 612; Σ finishers = 5 586. 2 612 / 5 586 × 100 = 46.76%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 650 km
> 100 km6
> 160 km1
> 200 km1
Longest race215,0 km
2nd Foot Journey Around the Izu Peninsula 215km — 11/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road97,3%
Trail2,7%
Records
No record for a classic ultra format
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/10/2025 | 2nd Foot Journey Around the Izu Peninsula 215km | 215,00 | ×5 |
| ✓ 2 | 30/10/2021 | 3rd Autumn leaves in Okumusashi / Chichibu Journey run | 146,00 | ×4 |
| ✓ 3 | 15/11/2025 | 7th Autumn leaves in Okumusashi / Chichibu Journey run | 142,00 | ×3 |
| ✓ 4 | 2/11/2024 | 6th Autumn leaves in Okumusashi / Chichibu Journey run | 142,00 | ×3 |
| ✓ 5 | 16/11/2024 | 2nd Mito Kaido Journey run | 130,00 | ×3 |
| ✓ 6 | 9/3/2024 | 14th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 7 | 27/2/2021 | 11th Little Edo 91k | 91,00 | ×2 |
| ✓ 8 | 22/2/2020 | 10th Little Edo 91k | 91,00 | ×2 |
| ✓ 9 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 10 | 5/6/2022 | 29. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 11 | 19/10/2025 | 32. Ultramarathon Okumusashi | 70,00 | ×1 |
| ✓ 12 | 20/10/2024 | 31. Ultramarathon Okumusashi | 70,00 | ×1 |
| ✓ 13 | 10/4/2021 | 16th Toda Saiko 70 km | 70,00 | ×1 |
| ✓ 14 | 19/5/2019 | 7th Tokyo Shibamata 60 km | 60,00 | ×1 |
| ✓ 15 | 5/7/2020 | 26th 8-Hour Endurance Race Tokorozawa | 58,80 | ×1 |
| ✓ 16 | 2/7/2016 | 22nd 8-Hour Endurance Race Tokorozawa | 48,69 | ×1 |
| ✓ 17 | 2/10/2022 | 9th Trainic world Soto-Chichibu Trail Run 45km | 45,00 | ×1 |