Koji (柴田浩治) Shibata
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 : 1971
Cat. M55 Ultrarunner since 2016
15
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
Japan52,1%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 460; Σ finishers = 4 718. 2 460 / 4 718 × 100 = 52.14%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 270 km
> 100 km2
Longest race102,0 km
5th Okuizumo Ultra Orochi 100km Tooashi — 13/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/4/2019 | 5th Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×3 |
| ✓ 2 | 14/4/2018 | 4th Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×3 |
| ✓ 3 | 25/5/2025 | 31th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 4 | 28/5/2023 | 29th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 5 | 29/9/2019 | 3rd Yasaka Ultra Marathon in Hamada - 100 km | 100,00 | ×3 |
| ✓ 6 | 16/6/2019 | 14. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 12/5/2019 | 26th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 8 | 14/5/2017 | 21th 100 km Ultramarathon Ako Seaside Park | 100,00 | ×3 |
| ✓ 9 | 19/4/2026 | 17th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 10 | 20/4/2025 | 16th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 11 | 21/4/2024 | 15th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 12 | 23/4/2023 | 14th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 13 | 17/4/2022 | 13th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 14 | 24/9/2023 | 26th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 15 | 11/9/2016 | 1st Koyasan and Ryujin-Onsen 50 km Ultra Marathon | 50,00 | ×1 |